1: Unit 1: Energy, Forces, and Collisions

1.2: Lesson 2: Energy Causes Change

Energy Conversions
Energy of a Pendulum
Inclined Plane - Sliding Objects
Potential Energy on Shelves
Roller Coaster Physics
Sled Wars
Trebuchet

1.3: Lesson 3: Forces Affect the Motion of Objects

Fan Cart Physics
Force and Fan Carts
Free-Fall Laboratory

1.4: Lesson 4: Newton's Laws of Motion Relate Energy, Forces, and Motion

Crumple Zones
Distance-Time Graphs
Fan Cart Physics
Force and Fan Carts
Measuring Motion
Radiation

1.5: Lesson 5: Engineer It: Collisions between Objects

Crumple Zones

2: Unit 2: Noncontact Forces

2.1: Lesson 1: Electric Forces Act on Charged Objects

Charge Launcher

2.2: Lesson 2: Magnetic and Electromagnetic Forces Act on Certain Objects

Electromagnetic Induction
Magnetic Induction
Magnetism

2.3: Lesson 3: Fields Are Areas Where Forces Act at a Distance

Gravitational Force
Magnetic Induction
Magnetism

2.4: Lesson 4: Gravity Affects All Matter in the Universe

Gravity Pitch
Magnetic Induction
Weight and Mass

3: Unit 3: Space Science

3.1: Lesson 1: Observations Provide Evidence for the Structure of the Solar System

Seasons Around the World
Seasons in 3D
Seasons: Earth, Moon, and Sun
Seasons: Why do we have them?
Solar System
Summer and Winter

3.2: Lesson 2: Case Study: Explaining Eclipses and Lunar Phases

2D Eclipse
3D Eclipse
Eclipse
Moonrise, Moonset, and Phases
Phases of the Moon

3.3: Lesson 3: The Solar System Formed from Colliding Matter

Gravity Pitch

3.4: Lesson 4: The Solar System and Galaxies Can Be Modeled

Solar System
Solar System Explorer

4: Unit 4: Earth Through Time

4.4: Lesson 4: Fossils and Living Organisms Provide Evidence of Evolution

Embryo Development
Human Evolution - Skull Analysis

5: Unit 5: Evolution and Biotechnology

5.1: Lesson 1: Natural Selection Explains How Populations Can Change

Microevolution

5.2: Lesson 2: Natural Selection Requires Genetic Variation

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

5.3: Lesson 3: Artificial Selection Influences Traits in Organisms

Evolution: Natural and Artificial Selection

5.4: Lesson 4: Genetic Engineering Influences Traits in Organisms

GMOs and the Environment
Genetic Engineering

6: Unit 6: Waves

6.1: Lesson 1: Waves Transfer Energy

Longitudinal Waves
Waves

6.2: Lesson 2: Waves Interact with Matter

Earthquakes 1 - Recording Station
Longitudinal Waves
Ripple Tank
Sound Beats and Sine Waves
Waves

6.3: Lesson 3: Light Can Be Modeled as a Wave

Basic Prism
Color Absorption
Eyes and Vision 1 - Seeing Color
Laser Reflection
Refraction

6.4: Lesson 4: Energy from Sunlight Causes Earth's Seasons

Seasons Around the World
Seasons in 3D
Seasons: Earth, Moon, and Sun
Seasons: Why do we have them?
Summer and Winter

7: Unit 7: Technology and Human Impact on Earth Systems

7.2: Lesson 2: Human Activities Affect Biodiversity and Ecosystem Services

Carbon Cycle
Coral Reefs 2 - Biotic Factors