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- Science: 3rd Grade
Missouri - Science: 3rd Grade
Learning Standards | Adopted: 2016
3.PS1: : Matter and Its Interactions
3.PS1.A: : Structure and Properties of Matter
3.PS1.A.1: : Predict and investigate that water can change from a liquid to a solid (freeze), and back again (melt), or from a liquid to a gas (evaporation), and back again (condensation) as the result of temperature changes.
Phases of Water
Heat or cool a container of water and observe the phase changes that take place. Use a magnifying glass to observe water molecules as a solid, liquid, or gas. Compare the volumes of the three phases of water. 5 Minute Preview
3.PS2: : Motion and Stability: Forces and Interactions
3.PS2.B: : Types of Interaction
3.PS2.B.1: : Plan and conduct investigations to determine the cause and effect relationship of electric or magnetic interactions between two objects not in contact with each other.
Charge Launcher
Launch a charged particle into a chamber. Charged particles can be added into the chamber to influence the path of the moving particle. The launch speed can be changed as well. Try to match a given path by manipulating the fixed particles in the chamber. 5 Minute Preview
Magnetism
Drag bar magnets and a variety of other objects onto a piece of paper. Click Play to release the objects to see if they are attracted together, repelled apart, or unaffected. You can also sprinkle iron filings over the magnets and other objects to view the magnetic field lines that are produced. 5 Minute Preview
3.LS1: : From Molecules to Organisms: Structure and Processes
3.LS1.B: : Growth and Development of Organisms
3.LS1.B.1: : Develop a model to compare and contrast observations on the life cycle of different plants and animals.
Flower Pollination
Observe the steps of pollination and fertilization in flowering plants. Help with many parts of the process by dragging pollen grains to the stigma, dragging sperm to the ovules, and removing petals as the fruit begins to grow. Quiz yourself when you are done by dragging vocabulary words to the correct plant structure. 5 Minute Preview
Honeybee Hive
Explore life in the hive by meeting workers, drones, and the queen bee herself! Visit flower patches to determine the best sources of food, and then perform a waggle dance to let the other bees know where to go. Can you help the bees find enough food to save the hive? 5 Minute Preview
3.LS3: : Heredity: Inheritance and Variation of Traits
3.LS3.A: : Inheritance of Traits
3.LS3.A.1: : Construct scientific arguments to support claims that some characteristics of organisms are inherited from parents and some are influenced by the environment.
Effect of Environment on New Life Form
Using the scientific method, control the environmental conditions for a fictional alien organism in order to learn how the organism responds to changes in conditions. Sunlight, water, and temperature can be varied to determine their effects on the shape of the aliens. 5 Minute Preview
Growing Plants
Investigate the growth of three common garden plants: tomatoes, beans, and turnips. You can change the amount of light each plant gets, the amount of water added each day, and the type of soil the seed is planted in. Observe the effect of each variable on plant height, plant mass, leaf color and leaf size. Determine what conditions produce the tallest and healthiest plants. Height and mass data are displayed on tables and graphs. 5 Minute Preview
Measuring Trees
Measure the height, diameter, and circumference of trees in a forest. Count growth rings to determine the age of each tree. Grow the trees for several years and investigate how growth is affected by precipitation. 5 Minute Preview
3.LS3.B: : Natural Selection
3.LS3.B.1: : Use evidence to construct an explanation for how the variations in characteristics among individuals of the same species may provide advantages in surviving and finding mates.
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
3.LS3.C: : Adaptation
3.LS3.C.1: : Construct an argument with evidence that in a particular ecosystem some organisms—based on structural adaptations or behaviors—can survive well, some survive less well, and some cannot.
Comparing Climates (Customary)
Compare average temperatures, precipitation, humidity, and wind speed for a variety of locations across the globe. Explore the influence of latitude, proximity to oceans, elevation, and other factors on climate. Observe how animals and plants are adapted to climate and their environment. This lesson uses U.S. customary units. 5 Minute Preview
Comparing Climates (Metric)
Compare average temperatures, precipitation, humidity, and wind speed for a variety of locations across the globe. Explore the influence of latitude, proximity to oceans, elevation, and other factors on climate. Observe how animals and plants are adapted to climate and their environment. This lesson uses metric units. 5 Minute Preview
Pond Ecosystem
Measure the temperature and oxygen content of a pond over the course of a day. Then go fishing to see what types of fish live in the pond. Many different ponds can be investigated to determine the influence of time, temperature, and farms on oxygen levels. 5 Minute Preview
3.ESS2: : Earth's Systems
3.ESS2.D: : Weather and Climate
3.ESS2.D.1: : Represent data in tables and graphical displays to describe typical weather conditions expected during a particular season.
Comparing Climates (Customary)
Compare average temperatures, precipitation, humidity, and wind speed for a variety of locations across the globe. Explore the influence of latitude, proximity to oceans, elevation, and other factors on climate. Observe how animals and plants are adapted to climate and their environment. This lesson uses U.S. customary units. 5 Minute Preview
Comparing Climates (Metric)
Compare average temperatures, precipitation, humidity, and wind speed for a variety of locations across the globe. Explore the influence of latitude, proximity to oceans, elevation, and other factors on climate. Observe how animals and plants are adapted to climate and their environment. This lesson uses metric units. 5 Minute Preview
Observing Weather (Customary)
How do scientists measure and describe the weather? In this introductory lesson, students will practice using a thermometer, anemometer, rain gauge, and hygrometer to record weather conditions in a variety of locations and dates. This lesson uses U.S. customary units. 5 Minute Preview
Observing Weather (Metric)
How do scientists measure and describe the weather? In this introductory lesson, students will practice using a thermometer, anemometer, rain gauge, and hygrometer to record weather conditions in a variety of locations and dates. This lesson uses metric units. 5 Minute Preview
3.ESS2.D.2: : Obtain and combine information to describe climates in different regions of the world.
Comparing Climates (Customary)
Compare average temperatures, precipitation, humidity, and wind speed for a variety of locations across the globe. Explore the influence of latitude, proximity to oceans, elevation, and other factors on climate. Observe how animals and plants are adapted to climate and their environment. This lesson uses U.S. customary units. 5 Minute Preview
Comparing Climates (Metric)
Compare average temperatures, precipitation, humidity, and wind speed for a variety of locations across the globe. Explore the influence of latitude, proximity to oceans, elevation, and other factors on climate. Observe how animals and plants are adapted to climate and their environment. This lesson uses metric units. 5 Minute Preview
Observing Weather (Customary)
How do scientists measure and describe the weather? In this introductory lesson, students will practice using a thermometer, anemometer, rain gauge, and hygrometer to record weather conditions in a variety of locations and dates. This lesson uses U.S. customary units. 5 Minute Preview
Observing Weather (Metric)
How do scientists measure and describe the weather? In this introductory lesson, students will practice using a thermometer, anemometer, rain gauge, and hygrometer to record weather conditions in a variety of locations and dates. This lesson uses metric units. 5 Minute Preview
3.ESS3: : Earth and Human Activity
3.ESS3.B: : Natural Hazards
3.ESS3.B.1: : Make a claim about the merit of an existing design solution (e.g., levies, tornado shelters, sea walls, etc.) that reduces the impacts of a weather-related hazard.
Flood and Storm-Proof Homes
Build a home to survive a flood or a hurricane and protect the people inside. Choose materials and a design for the foundation, frame, walls, and roof of the house. Add "extras" such as sand bags, storm shutters, and roof clips. Test your house in a flood or storm and see how well your design worked. 5 Minute Preview
3.ETS1: : Engineering Design
3.ETS1.A: : Defining and Delimiting Engineering Problems
3.ETS1.A.1: : Define a simple design problem reflecting a need or a want that includes specified criteria for success and constraints on materials, time, or cost.
Earthquake-Proof Homes
Design a house to withstand an earthquake and protect the people living inside. Select a location in San Francisco, then choose the design and materials for a foundation, frame, walls, and roof. Decide which extras to add to your home design. Test each house in an earthquake and assess the damages. Try to arrive at a house design that results in the least damage. 5 Minute Preview
Flood and Storm-Proof Homes
Build a home to survive a flood or a hurricane and protect the people inside. Choose materials and a design for the foundation, frame, walls, and roof of the house. Add "extras" such as sand bags, storm shutters, and roof clips. Test your house in a flood or storm and see how well your design worked. 5 Minute Preview
3.ETS1.B: : Developing Possible Solutions
3.ETS1.B.1: : Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem.
Earthquake-Proof Homes
Design a house to withstand an earthquake and protect the people living inside. Select a location in San Francisco, then choose the design and materials for a foundation, frame, walls, and roof. Decide which extras to add to your home design. Test each house in an earthquake and assess the damages. Try to arrive at a house design that results in the least damage. 5 Minute Preview
Flood and Storm-Proof Homes
Build a home to survive a flood or a hurricane and protect the people inside. Choose materials and a design for the foundation, frame, walls, and roof of the house. Add "extras" such as sand bags, storm shutters, and roof clips. Test your house in a flood or storm and see how well your design worked. 5 Minute Preview
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
3.ETS1.C: : Optimizing the Solution Process
3.ETS1.C.1: : Plan and carry out fair tests in which variables are controlled and failure points are considered to identify aspects of a model or prototype that can be improved.
Earthquake-Proof Homes
Design a house to withstand an earthquake and protect the people living inside. Select a location in San Francisco, then choose the design and materials for a foundation, frame, walls, and roof. Decide which extras to add to your home design. Test each house in an earthquake and assess the damages. Try to arrive at a house design that results in the least damage. 5 Minute Preview
Flood and Storm-Proof Homes
Build a home to survive a flood or a hurricane and protect the people inside. Choose materials and a design for the foundation, frame, walls, and roof of the house. Add "extras" such as sand bags, storm shutters, and roof clips. Test your house in a flood or storm and see how well your design worked. 5 Minute Preview
Correlation last revised: 9/6/2022
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.
Each STEM Case uses realtime reporting to show live student results.
Introduction to the Heatmap
STEM Cases take between 30-90 minutes for students to complete, depending on the case.
Student progress is automatically saved so that STEM Cases can be completed over multiple sessions.
Multiple grade-appropriate versions, or levels, exist for each STEM Case.
Each STEM Case level has an associated Handbook. These are interactive guides that focus on the science concepts underlying the case.
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