8-PS2: Motion and Stability: Forces and Interactions

8-PS2-1: Apply Newton’s third law to design a solution to a problem involving the motion of two colliding objects.

Crumple Zones

8-PS2-2: 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.

Crumple Zones
Fan Cart Physics
Force and Fan Carts
Free-Fall Laboratory

8-PS2-3: Analyze and interpret data to determine the factors that affect the strength of electric and magnetic forces.

Charge Launcher
Electromagnetic Induction
Magnetic Induction
Magnetism

8-PS2-4: Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects and the distance between them.

Gravitational Force
Gravity Pitch
Weight and Mass

8-PS2-5: Conduct an investigation and evaluate the experimental design to provide evidence that fields exist between objects exerting forces on each other even though the objects are not in contact.

Charge Launcher
Electromagnetic Induction
Magnetic Induction
Magnetism

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

8-PS4-1: Using mathematical representations, describe a simple model for waves that includes how the amplitude of a wave is related to the energy in a wave.

Waves

8-LS1: From Molecules to Organisms: Structures and Processes

8-LS1-4: Use arguments, based on empirical evidence and scientific reasoning, to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.

Flower Pollination
Pollination: Flower to Fruit
Fruit Production
Heredity and Traits

8-LS1-5: Construct a scientific explanation based on evidence for how environmental and genetic factors influence the growth of organisms.

Fast Plants^® 1 - Growth and Genetics
Growing Plants
Inheritance
Measuring Trees
Seed Germination
Temperature and Sex Determination - Metric
Heredity and Traits

8-LS3: Heredity: Inheritance and Variation of Traits

8-LS3-1: Develop and use a model to describe why structural changes to genes (mutations) located on chromosomes may affect proteins and may result in harmful, beneficial, or neutral effects to the structure and function of the organism.

Evolution: Mutation and Selection
Evolution: Natural and Artificial Selection
Genetic Engineering

8-LS3-2: Develop and use a model to describe why asexual reproduction results in offspring with identical genetic information and sexual reproduction results in offspring with genetic variation.

Chicken Genetics
Fast Plants^® 1 - Growth and Genetics
Fast Plants^® 2 - Mystery Parent
Inheritance
Mouse Genetics (One Trait)
Mouse Genetics (Two Traits)
Heredity and Traits

8-LS4: Biological Evolution: Unity and Diversity

8-LS4-1: 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 operated in the past as they do today.

Human Evolution - Skull Analysis

8-LS4-2: Apply scientific ideas to construct an explanation for the anatomical similarities and differences among modern organisms and between modern and fossil organisms to infer their ancestral relationships.

Cladograms
Human Evolution - Skull Analysis

8-LS4-4: Construct an explanation based on evidence that describes how genetic variations of traits in a population increase some individual’s probability of surviving and reproducing in a specific environment.

Evolution: Mutation and Selection
Evolution: Natural and Artificial Selection
Natural Selection
Rainfall and Bird Beaks
Rainfall and Bird Beaks - Metric

8-LS4-5: Gather and synthesize information about technologies that have changed the way humans influence the inheritance of desired traits in organisms.

Evolution: Natural and Artificial Selection
GMOs and the Environment
Genetic Engineering

8-LS4-6: Use mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.

Evolution: Mutation and Selection
Evolution: Natural and Artificial Selection
Natural Selection
Rainfall and Bird Beaks
Rainfall and Bird Beaks - Metric

8-ESS1: Earth’s Place in the Universe

8-ESS1-1: Develop and use a model of the Earth-sun-moon system to describe the cyclic patterns of lunar phases, eclipses of the sun and moon, tides, and seasons.

2D Eclipse
3D Eclipse
Eclipse
Moonrise, Moonset, and Phases
Phases of the Moon
Seasons Around the World
Seasons in 3D
Seasons: Earth, Moon, and Sun
Seasons: Why do we have them?
Tides
Tides - Metric

8-ESS1-2: Develop and use a model to describe the role of gravity in the motions within galaxies and the solar system.

Gravity Pitch
Solar System
Solar System Explorer

8-ESS1-3: Evaluate information to determine scale properties of objects in the solar system.

Comparing Earth and Venus
Solar System
Solar System Explorer
Weight and Mass