year 9 conservation of energy

The Law of Conservation of Energy states that energy is never __________________ or _________________, only transferred.

• created, destroyed

• created, subtracted

• added, subtracted

• destroyed, subtracted

What are the units of energy?

• Watt

• Newton

• Joule

• Kelvin

Energy in a system that is moving is called _______________ energy.

• Kinetic

• Potential

• Mechanical

• Power

At which point(s) on the roller coaster is the gravitational potential energy at its maximum?

• A
• B
• C
• D

An object that is moving has

• chemical energy

• chemical energy

• potential energy

• kinetic energy

• elastic energy

An object that is at rest on top of a bookshelf has

• chemical energy

• chemical energy

• potential energy

• kinetic energy

• elastic energy

If you are rolling down a big hill you are (a)   the kinetic energy.

Which letter shows the ball when it has THE MOST potential energy?

• A

• B

• C

• F

• G

Which letter shows the ball when it has NO potential energy?

• B

• C

• D

• E

• F

Which letter shows the ball when it has THE MOST kinetic energy?

• B

• C

• D

• E

• F