1. The ability to cause changes in matter and make things happen
Energy
The ability to cause changes in matter and make things happen

2. Heat/Thermal Energy
Energy produced by moving particles in matter; also called thermal energy.

3. Mechanical Energy Mechanical energy is the energy of motion.
When you kick a football, you give mechanical energy to the football to make it move.

4. States of Energy: Kinetic and Potential Energy
Kinetic Energy is the energy of motion.
Potential Energy is stored energy.

5. Electricity
A form of energy that is produced when particles of matter are charged.

6. A rapid back-and-forth movement that produces sound
Vibration
A rapid back-and-forth movement that produces sound

7. A form of energy produced by vibrating objects
Sound
A form of energy produced by vibrating objects

8. Solar Energy
Energy from the sun.

9. Light Energy
Energy that you can see; light travels in a straight line until it hits another object

10. LighT ENERGY

11. Transparent
Light is transmitted when it passes through transparent objects.

12. Translucent
Some light is transmitted when it passes through translucent material. Often objects appear blurry on other side of the object.

13. Opaque
No or little light is transmitted through opaque objects.

14. REFRACTION

15. REFLECTION

16. Reflection
Refraction

17. Reflection
Refraction

18. Prism Convex Lens
A lens that is thicker in the center and thinner at the edges, a shape that bends light inward.

19. Prism Concave Lens
A lens that is thinner in the center and thicker at the edges, a shape that bends light outward.