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  • Iowa Standards
  • Science: 8th Grade

Iowa - Science: 8th Grade

Core Curriculum | Adopted: 2015

This correlation lists the recommended Gizmos for this state's curriculum standards. Click any Gizmo title below for more information.

MS-PS2: : Motion and Stability: Forces and Interactions


MS-PS2-1: : Students who demonstrate understanding can: Apply Newton’s Third Law to design a solution to a problem involving the motion of two colliding objects.

Screenshot of Crumple Zones

Crumple Zones

Design a car to protect a test dummy in a collision. Adjust the length and stiffness of the crumple zone and the rigidity of the safety cell to determine how the car will deform during the crash. Add seat belts and/or airbags to prevent the dummy from hitting the steering wheel. Three different body types (sedan, SUV, and subcompact) are available and a wide range of crash speeds can be used. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-PS2-2: : Students who demonstrate understanding can: Plan an investigation to provide evidence that the change in an object’s motion depends on the sum of the forces on the object and the mass of the object.

Screenshot of Crumple Zones

Crumple Zones

Design a car to protect a test dummy in a collision. Adjust the length and stiffness of the crumple zone and the rigidity of the safety cell to determine how the car will deform during the crash. Add seat belts and/or airbags to prevent the dummy from hitting the steering wheel. Three different body types (sedan, SUV, and subcompact) are available and a wide range of crash speeds can be used. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Fan Cart Physics

Fan Cart Physics

Gain an understanding of Newton's Laws by experimenting with a cart (on which up to three fans are placed) on a linear track. The cart has a mass, as does each fan. The fans exert a constant force when switched on, and the direction of the fans can be altered as the position, velocity, and acceleration of the cart are measured. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Force and Fan Carts

Force and Fan Carts

Explore the laws of motion using a simple fan cart. Use the buttons to select the speed of the fan and the surface, and press Play to begin. You can drag up to three objects onto the fan cart. The speed of the cart is displayed with a speedometer and recorded in a table and a graph. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Free-Fall Laboratory

Free-Fall Laboratory

Investigate the motion of an object as it falls to the ground. A variety of objects can be compared, and their motion can be observed in a vacuum, in normal air, and in denser air. The position, velocity, and acceleration are measured over time, and the forces on the object can be displayed. Using the manual settings, the mass, radius, height, and initial velocity of the object can be adjusted, as can the air density and wind. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-PS3: : Energy


MS-PS3-1: : Students who demonstrate understanding can: Construct and interpret graphical displays of data to describe the relationships of kinetic energy to the mass of an object and to the speed of an object.

Screenshot of Air Track

Air Track

Adjust the mass and velocity of two gliders on a frictionless air track. Measure the velocity, momentum, and kinetic energy of each glider as they approach each other and collide. Collisions can be elastic or inelastic. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Energy of a Pendulum

Energy of a Pendulum

Perform experiments with a pendulum to gain an understanding of energy conservation in simple harmonic motion. The mass, length, and gravitational acceleration of the pendulum can be adjusted, as well as the initial angle. The potential energy, kinetic energy, and total energy of the oscillating pendulum can be displayed on a table, bar chart or graph. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Inclined Plane - Sliding Objects

Inclined Plane - Sliding Objects

Investigate the energy and motion of a block sliding down an inclined plane, with or without friction. The ramp angle can be varied and a variety of materials for the block and ramp can be used. Potential and kinetic energy are reported as the block slides down the ramp. Two experiments can be run simultaneously to compare results as factors are varied. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Roller Coaster Physics

Roller Coaster Physics

Adjust the hills on a toy-car roller coaster and watch what happens as the car careens toward an egg (that can be broken) at the end of the track. The heights of three hills can be manipulated, along with the mass of the car and the friction of the track. A graph of various variables of motion can be viewed as the car travels, including position, speed, acceleration, potential energy, kinetic energy, and total energy. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Sled Wars

Sled Wars

Explore acceleration, speed, momentum, and energy by sending a sled down a hill into a group of snowmen. The starting height and mass of the sled can be changed, as well as the number of snowmen. In the Two sleds scenario, observe collisions between sleds of different masses and starting heights. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Trebuchet

Trebuchet

Design your own trebuchet to fling a projectile at a castle wall. All of the dimensions of the trebuchet can be adjusted, as well as the masses of the counterweight and payload. Select a target on the Launch tab, or just see how far your projectile will go. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-PS3-3: : Students who demonstrate understanding can: Apply scientific principles to design, construct, and test a device that either minimizes or maximizes thermal energy transfer.

Screenshot of Feel the Heat

Feel the Heat

Have you ever used a glove warmer to keep your hands warm? How about an instant cold pack to treat an injury? In the Feel the Heat Gizmo, create your own hot and cold packs using various salts dissolved in water and different bag materials. Learn about exothermic and endothermic processes and how energy is absorbed or released when bonds are broken and new bonds form. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-PS4: : Waves and Their Applications in Technologies for Information Transfer


MS-PS4-1: : Students who demonstrate understanding can: Use mathematical representations to describe a simple model for waves that includes how the amplitude of a wave is related to the energy in a wave.

Screenshot of Waves

Waves

Observe and measure transverse, longitudinal, and combined waves on a model of a spring moved by a hand. Adjust the amplitude and frequency of the hand, and the tension and density of the spring. The speed and power of the waves is reported, and the wavelength and amplitude can be measured. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-PS4-2: : Students who demonstrate understanding can: Develop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials.

Screenshot of Basic Prism

Basic Prism

Shine white light or a single-color beam through a prism. Explore how a prism refracts light and investigate the factors that affect the amount of refraction. The index of refraction of the prism, width of the prism, prism angle, light angle, and light wavelength can be adjusted. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Color Absorption

Color Absorption

Mix the primary colors of light by using red, green, and blue lights. Use pieces of colored glass to filter the light and create a wide variety of colors. Determine how light is absorbed and transmitted by each color of glass. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Earthquakes 1 - Recording Station

Earthquakes 1 - Recording Station

Using an earthquake recording station, learn how to determine the distance between the station and an earthquake based on the time difference between the arrival of the primary and secondary seismic waves. Use this data to find the epicenter in the Earthquakes 2 - Location of Epicenter Gizmo. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Heat Absorption

Heat Absorption

Shine a powerful flashlight on a variety of materials, and measure how quickly each material heats up. See how the light angle, light color, type of material, and material color affect heating. A glass cover can be added to simulate a greenhouse. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Laser Reflection

Laser Reflection

Point a laser at a mirror and compare the angle of the incoming beam to the angle of reflection. A protractor can be used to measure the angles of incidence and reflection, and the angle of the mirror can be adjusted. A beam splitter can be used to split the beam. Both plane and irregular mirrors can be used. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Longitudinal Waves

Longitudinal Waves

Observe the propagation of longitudinal (compression) waves in a closed or open tube with evenly-spaced dividers. The strength and frequency of the waves can be manipulated, or waves can be observed as individual pulses. Compare the movement of dividers to graphs of displacement, velocity, acceleration and pressure. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Radiation

Radiation

Use a powerful flashlight to pop a kernel of popcorn. A lens focuses light on the kernel. The temperature of the filament and the distance between the flashlight and lens can be changed. Several obstacles can be placed between the flashlight and the popcorn. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Refraction

Refraction

Determine the angle of refraction for a light beam moving from one medium to another. The angle of incidence and each index of refraction can be varied. Using the tools provided, the angle of refraction can be measured, and the wavelength and frequency of the waves in each substance can be compared as well. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Ripple Tank

Ripple Tank

Study wave motion, diffraction, interference, and refraction in a simulated ripple tank. A wide variety of scenarios can be chosen, including barriers with one or two gaps, multiple wave sources, reflecting barriers, or submerged rocks. The wavelength and strength of waves can be adjusted, as well as the amount of damping in the tank. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Waves

Waves

Observe and measure transverse, longitudinal, and combined waves on a model of a spring moved by a hand. Adjust the amplitude and frequency of the hand, and the tension and density of the spring. The speed and power of the waves is reported, and the wavelength and amplitude can be measured. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-LS2: : Ecosystems: Interactions, Energy, and Dynamics


MS-LS2-5: : Students who demonstrate understanding can: Evaluate competing design solutions for maintaining biodiversity and ecosystem services.

Screenshot of GMOs and the Environment

GMOs and the Environment

In this follow-up to the Genetic Engineering Gizmo, explore how farmers can maximize yield while limiting ecosystem damage using genetically modified corn. Choose the corn type to plant and the amount of herbicide and insecticide to use, then measure corn yields and monitor wildlife populations and diversity. Observe the long-term effects of pollutants on a nearby stream ecosystem. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-LS4: : Biological Evolution: Unity and Diversity


MS-LS4-1: : Students who demonstrate understanding can: Analyze and interpret data for patterns in the fossil record that document the existence, diversity, extinction, and change of life forms throughout the history of life on Earth under the assumption that natural laws operate today as in the past.

Screenshot of Human Evolution - Skull Analysis

Human Evolution - Skull Analysis

Compare the skulls of a variety of significant human ancestors, or hominids. Use available tools to measure lengths, areas, and angles of important features. Each skull can be viewed from the front, side, or from below. Additional information regarding the age, location, and discoverer of each skull can be displayed. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-LS4-2: : Students who demonstrate understanding can: Apply scientific ideas to construct an explanation for the anatomical similarities and differences among modern organisms and between modern and fossil organisms to infer evolutionary relationships.

Screenshot of Cladograms

Cladograms

Based on the similarities and differences between different organisms, create branching diagrams called cladograms to show how they are related. Use both morphological data (physical traits) and molecular data to create the simplest and most likely cladograms. Five different sets of organisms are available. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Embryo Development

Embryo Development

Explore how a fertilized cell develops into an embryo, a fetus, and eventually an adult organism. Compare embryo development in different vertebrate species and try to guess which embryo belongs to each species. Use dyes to trace the differentiation of cells during early embryo development, from the zygote to the neurula. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Human Evolution - Skull Analysis

Human Evolution - Skull Analysis

Compare the skulls of a variety of significant human ancestors, or hominids. Use available tools to measure lengths, areas, and angles of important features. Each skull can be viewed from the front, side, or from below. Additional information regarding the age, location, and discoverer of each skull can be displayed. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-LS4-3: : Students who demonstrate understanding can: Analyze displays of pictorial data to compare patterns of similarities in the embryological development across multiple species to identify relationships not evident in the fully formed anatomy.

Screenshot of Embryo Development

Embryo Development

Explore how a fertilized cell develops into an embryo, a fetus, and eventually an adult organism. Compare embryo development in different vertebrate species and try to guess which embryo belongs to each species. Use dyes to trace the differentiation of cells during early embryo development, from the zygote to the neurula. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-LS4-4: : Students who demonstrate understanding can: Construct an explanation based on evidence that describes how genetic variations of traits in a population increase some individuals’ probability of surviving and reproducing in a specific environment.

Screenshot of Evolution: Mutation and Selection

Evolution: Mutation and Selection

Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Inheritance of color occurs according to Mendel's laws and probability. Mutations occur at random, and probability of capture by predators is determined by the insect's camouflage. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Evolution: Natural and Artificial Selection

Evolution: Natural and Artificial Selection

Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Compare the processes of natural and artificial selection. Manipulate the mutation rate, and determine how mutation rate affects adaptation and evolution. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Microevolution

Microevolution

Observe the effect of predators on a population of parrots with three possible genotypes. The initial percentages and fitness levels of each genotype can be set. Determine how initial fitness levels affect genotype and allele frequencies through several generations. Compare scenarios in which a dominant allele is deleterious, a recessive allele is deleterious, and the heterozygous individual is fittest. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Natural Selection

Natural Selection

You are a bird hunting moths (both dark and light) that live on trees. As you capture the moths most easily visible against the tree surface, the moth populations change, illustrating the effects of natural selection. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Rainfall and Bird Beaks - Metric

Rainfall and Bird Beaks - Metric

Study the thickness of birds' beaks over a five year period as you control the yearly rainfall on an isolated island. As the environmental conditions change, the species must adapt (a real-world consequence) to avoid extinction. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-LS4-5: : Students who demonstrate understanding can: Gather and synthesize information about the technologies that have changed the way humans influence the inheritance of desired traits in organisms.

Screenshot of Evolution: Natural and Artificial Selection

Evolution: Natural and Artificial Selection

Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Compare the processes of natural and artificial selection. Manipulate the mutation rate, and determine how mutation rate affects adaptation and evolution. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of GMOs and the Environment

GMOs and the Environment

In this follow-up to the Genetic Engineering Gizmo, explore how farmers can maximize yield while limiting ecosystem damage using genetically modified corn. Choose the corn type to plant and the amount of herbicide and insecticide to use, then measure corn yields and monitor wildlife populations and diversity. Observe the long-term effects of pollutants on a nearby stream ecosystem. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Genetic Engineering

Genetic Engineering

Use genetic engineering techniques to create corn plants resistant to insect pests or tolerant of herbicides. Identify useful genes from bacteria, insert the desired gene into a corn plant, and then compare the modified plant to a control plant in a lab setting. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-LS4-6: : Students who demonstrate understanding can: Use mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.

Screenshot of Evolution: Mutation and Selection

Evolution: Mutation and Selection

Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Inheritance of color occurs according to Mendel's laws and probability. Mutations occur at random, and probability of capture by predators is determined by the insect's camouflage. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Evolution: Natural and Artificial Selection

Evolution: Natural and Artificial Selection

Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Compare the processes of natural and artificial selection. Manipulate the mutation rate, and determine how mutation rate affects adaptation and evolution. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Microevolution

Microevolution

Observe the effect of predators on a population of parrots with three possible genotypes. The initial percentages and fitness levels of each genotype can be set. Determine how initial fitness levels affect genotype and allele frequencies through several generations. Compare scenarios in which a dominant allele is deleterious, a recessive allele is deleterious, and the heterozygous individual is fittest. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-ESS2: : Earth’s Systems


MS-ESS2-4: : Students who demonstrate understanding can: Develop a model to describe the cycling of water through Earth’s systems driven by energy from the sun and the force of gravity.

Screenshot of Water Cycle

Water Cycle

Control the path of a drop of water as it travels through the water cycle. Many alternatives are presented at each stage. Determine how the water moves from one location to another, and learn how water resources are distributed in these locations. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-ESS2-5: : Students who demonstrate understanding can: Collect data to provide evidence for how the motions and complex interactions of air masses results in changes in weather conditions.

Screenshot of Coastal Winds and Clouds - Metric

Coastal Winds and Clouds - Metric

Observe daily weather conditions in a coastal region. Measure temperatures and wind speeds at any location and use this data to map convection currents that form during the day and night. Explain the origin of land breezes and sea breezes. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Hurricane Motion - Metric

Hurricane Motion - Metric

Use data from up to three weather stations to predict the motion of a hurricane. The wind speed, wind direction, cloud cover and air pressure are provided for each station using standard weather symbols. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Weather Maps - Metric

Weather Maps - Metric

Learn about standard symbols used in meteorology to construct weather maps. Rain, sleet, snow, temperature, cloud cover, wind speed and direction, and atmospheric pressure can all be recorded at two different weather stations on a map. Describe weather patterns characteristic of high-pressure systems, low-pressure systems, warm fronts, and cold fronts. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-ESS3: : Earth and Human Activity


MS-ESS3-3: : Students who demonstrate understanding can: Apply scientific principles to design a method for monitoring and minimizing a human impact on the environment.

Screenshot of GMOs and the Environment

GMOs and the Environment

In this follow-up to the Genetic Engineering Gizmo, explore how farmers can maximize yield while limiting ecosystem damage using genetically modified corn. Choose the corn type to plant and the amount of herbicide and insecticide to use, then measure corn yields and monitor wildlife populations and diversity. Observe the long-term effects of pollutants on a nearby stream ecosystem. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-ESS3-4: : Students who demonstrate understanding can: Construct an argument supported by evidence for how increases in human population and per-capita consumption of natural resources impact Earth’s systems.

Screenshot of Carbon Cycle

Carbon Cycle

Follow the path of a carbon atom through the atmosphere, biosphere, hydrosphere, and geosphere. Manipulate a simplified model to see how human activities and other factors affect the amount of atmospheric carbon today and in the future. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Coral Reefs 2 - Biotic Factors

Coral Reefs 2 - Biotic Factors

In this followup to the Coral Reefs 1 - Abiotic Factors activity, investigate the impacts of fishing, disease, and invasive species on a model Caribbean coral reef. Many variables can be manipulated, included intensity of fishing, presence of black band and white band disease, and the presence of actual and potential invasive species. Click "Advance year" to see the impacts of these biotic changes. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-ESS3-5: : Students who demonstrate understanding can: Ask questions to clarify evidence of the factors that have caused the rise in global temperatures over the past century.

Screenshot of Carbon Cycle

Carbon Cycle

Follow the path of a carbon atom through the atmosphere, biosphere, hydrosphere, and geosphere. Manipulate a simplified model to see how human activities and other factors affect the amount of atmospheric carbon today and in the future. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Greenhouse Effect - Metric

Greenhouse Effect - Metric

Within this simulated region of land, daytime's rising temperature and the falling temperature at night can be measured, along with heat flow in and out of the system. The amount of greenhouse gases present in the atmosphere can be adjusted through time, and the long-term effects can be investigated. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-ETS1: : Engineering Design


MS-ETS1-1: : Students who demonstrate understanding can: Define the criteria and constraints of a design problem with sufficient precision to ensure a successful solution, taking into account relevant scientific principles and potential impacts on people and the natural environment that may limit possible solutions.

Screenshot of Crumple Zones

Crumple Zones

Design a car to protect a test dummy in a collision. Adjust the length and stiffness of the crumple zone and the rigidity of the safety cell to determine how the car will deform during the crash. Add seat belts and/or airbags to prevent the dummy from hitting the steering wheel. Three different body types (sedan, SUV, and subcompact) are available and a wide range of crash speeds can be used. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Feel the Heat

Feel the Heat

Have you ever used a glove warmer to keep your hands warm? How about an instant cold pack to treat an injury? In the Feel the Heat Gizmo, create your own hot and cold packs using various salts dissolved in water and different bag materials. Learn about exothermic and endothermic processes and how energy is absorbed or released when bonds are broken and new bonds form. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of GMOs and the Environment

GMOs and the Environment

In this follow-up to the Genetic Engineering Gizmo, explore how farmers can maximize yield while limiting ecosystem damage using genetically modified corn. Choose the corn type to plant and the amount of herbicide and insecticide to use, then measure corn yields and monitor wildlife populations and diversity. Observe the long-term effects of pollutants on a nearby stream ecosystem. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Genetic Engineering

Genetic Engineering

Use genetic engineering techniques to create corn plants resistant to insect pests or tolerant of herbicides. Identify useful genes from bacteria, insert the desired gene into a corn plant, and then compare the modified plant to a control plant in a lab setting. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Pendulum Clock

Pendulum Clock

Find the effect of length, mass, and angle on the period of a pendulum. The pendulum is attached to a clock that can be adjusted to tell time accurately. The clock can be located on Earth or Jupiter to determine the effect of gravity. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Trebuchet

Trebuchet

Design your own trebuchet to fling a projectile at a castle wall. All of the dimensions of the trebuchet can be adjusted, as well as the masses of the counterweight and payload. Select a target on the Launch tab, or just see how far your projectile will go. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-ETS1-2: : Students who demonstrate understanding can: Evaluate competing design solutions using a systematic process to determine how well they meet the criteria and constraints of the problem.

Screenshot of Crumple Zones

Crumple Zones

Design a car to protect a test dummy in a collision. Adjust the length and stiffness of the crumple zone and the rigidity of the safety cell to determine how the car will deform during the crash. Add seat belts and/or airbags to prevent the dummy from hitting the steering wheel. Three different body types (sedan, SUV, and subcompact) are available and a wide range of crash speeds can be used. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Digestive System

Digestive System

Digestion is a complex process, involving a wide variety of organs and chemicals that work together to break down food, absorb nutrients, and eliminate wastes. But have you ever wondered what would happen if some of those organs were eliminated, or if the sequence was changed? Can the digestive system be improved? Find out by designing your own digestive system with the Digestive System Gizmo. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Feel the Heat

Feel the Heat

Have you ever used a glove warmer to keep your hands warm? How about an instant cold pack to treat an injury? In the Feel the Heat Gizmo, create your own hot and cold packs using various salts dissolved in water and different bag materials. Learn about exothermic and endothermic processes and how energy is absorbed or released when bonds are broken and new bonds form. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of GMOs and the Environment

GMOs and the Environment

In this follow-up to the Genetic Engineering Gizmo, explore how farmers can maximize yield while limiting ecosystem damage using genetically modified corn. Choose the corn type to plant and the amount of herbicide and insecticide to use, then measure corn yields and monitor wildlife populations and diversity. Observe the long-term effects of pollutants on a nearby stream ecosystem. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Genetic Engineering

Genetic Engineering

Use genetic engineering techniques to create corn plants resistant to insect pests or tolerant of herbicides. Identify useful genes from bacteria, insert the desired gene into a corn plant, and then compare the modified plant to a control plant in a lab setting. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Pendulum Clock

Pendulum Clock

Find the effect of length, mass, and angle on the period of a pendulum. The pendulum is attached to a clock that can be adjusted to tell time accurately. The clock can be located on Earth or Jupiter to determine the effect of gravity. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Programmable Rover

Programmable Rover

In this introduction to coding, program a rover to explore the surface of Mars. Start by using tiles to create simple programs involving moving forward or backward, turns, jumps, loops, and picking up rock samples. Then use text instructions to optimize your code. Use your skills to program the rover to complete six challenging missions on Mars. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Trebuchet

Trebuchet

Design your own trebuchet to fling a projectile at a castle wall. All of the dimensions of the trebuchet can be adjusted, as well as the masses of the counterweight and payload. Select a target on the Launch tab, or just see how far your projectile will go. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-ETS1-3: : Students who demonstrate understanding can: Analyze data from tests to determine similarities and differences among several design solutions to identify the best characteristics of each that can be combined into a new solution to better meet the criteria for success.

Screenshot of Digestive System

Digestive System

Digestion is a complex process, involving a wide variety of organs and chemicals that work together to break down food, absorb nutrients, and eliminate wastes. But have you ever wondered what would happen if some of those organs were eliminated, or if the sequence was changed? Can the digestive system be improved? Find out by designing your own digestive system with the Digestive System Gizmo. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of GMOs and the Environment

GMOs and the Environment

In this follow-up to the Genetic Engineering Gizmo, explore how farmers can maximize yield while limiting ecosystem damage using genetically modified corn. Choose the corn type to plant and the amount of herbicide and insecticide to use, then measure corn yields and monitor wildlife populations and diversity. Observe the long-term effects of pollutants on a nearby stream ecosystem. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Genetic Engineering

Genetic Engineering

Use genetic engineering techniques to create corn plants resistant to insect pests or tolerant of herbicides. Identify useful genes from bacteria, insert the desired gene into a corn plant, and then compare the modified plant to a control plant in a lab setting. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Trebuchet

Trebuchet

Design your own trebuchet to fling a projectile at a castle wall. All of the dimensions of the trebuchet can be adjusted, as well as the masses of the counterweight and payload. Select a target on the Launch tab, or just see how far your projectile will go. 5 Minute Preview


Lesson Info
Launch Gizmo

MS-ETS1-4: : Students who demonstrate understanding can: Develop a model to generate data for iterative testing and modification of a proposed object, tool, or process such that an optimal design can be achieved.

Screenshot of Crumple Zones

Crumple Zones

Design a car to protect a test dummy in a collision. Adjust the length and stiffness of the crumple zone and the rigidity of the safety cell to determine how the car will deform during the crash. Add seat belts and/or airbags to prevent the dummy from hitting the steering wheel. Three different body types (sedan, SUV, and subcompact) are available and a wide range of crash speeds can be used. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Feel the Heat

Feel the Heat

Have you ever used a glove warmer to keep your hands warm? How about an instant cold pack to treat an injury? In the Feel the Heat Gizmo, create your own hot and cold packs using various salts dissolved in water and different bag materials. Learn about exothermic and endothermic processes and how energy is absorbed or released when bonds are broken and new bonds form. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Pendulum Clock

Pendulum Clock

Find the effect of length, mass, and angle on the period of a pendulum. The pendulum is attached to a clock that can be adjusted to tell time accurately. The clock can be located on Earth or Jupiter to determine the effect of gravity. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Programmable Rover

Programmable Rover

In this introduction to coding, program a rover to explore the surface of Mars. Start by using tiles to create simple programs involving moving forward or backward, turns, jumps, loops, and picking up rock samples. Then use text instructions to optimize your code. Use your skills to program the rover to complete six challenging missions on Mars. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Trebuchet

Trebuchet

Design your own trebuchet to fling a projectile at a castle wall. All of the dimensions of the trebuchet can be adjusted, as well as the masses of the counterweight and payload. Select a target on the Launch tab, or just see how far your projectile will go. 5 Minute Preview


Lesson Info
Launch Gizmo

Correlation last revised: 9/16/2020

About STEM Cases

Students assume the role of a scientist trying to solve a real world problem. They use scientific practices to collect and analyze data, and form and test a hypothesis as they solve the problems.

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STEM Cases take between 30-90 minutes for students to complete, depending on the case.

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