conservation of energy

What does the Law of Conservation of Energy state?

• Energy cannot be created or destroyed
• Nothing can exchange energy
• Energy will increase over time.
• Energy will decrease over time.

Which energy transformation below matches?
Burning coal or carbon-based fuel at a powerplant?

• chemical to heat to electrical
• mechanical to chemical to sound
• electrical to chemical to heat

Kinetic Energy is the energy of _________

• thermal

• movement

• potential

• atoms

Everything has thermal energy

• False

• True

All matter is made up of atoms that are constantly moving

• True

• False

Thermal energy is the __________ _________ energy of moving particles

• total potential

• average potential

• average kinetic

• total kinetic

Temperature is the __________ _________ energy of moving particles

• average potential

• average kinetic

• total potential

• total kinetic

Hot things have ____________ thermal energy than cold things

• more

• less

• same

• potato

Temperature is a way we ____________ energy

• eat

• measure

• gain

• lose

Cold things often have a _________ kinetic energy because_______

• lower; particles are moving around less

• lower; particles are moving around more

• higher; particles are moving around the same

• higher; particles do not move