Light, Sound, and Motion Key Words

• Electromagnetic spectrum

• reflection

• refraction

Motion - Chapter 6, Lesson 1

• energy

• potential energy

• gravitational potential energy

• elastic potential energy

• kinetic energy

Motion - Chapter 5, Lesson 1

• force

• contact force

• friction

• non-contact force

• gravity

Motion -Chapter 5, Lesson 2

• acceleration

• Newton's First Law

• inertia

• Newton's Second Law

• Newton's Third Law