Vocab
Examples
Work, Power, Efficiency
Potential vs Kinetic Energy
100

A factor that does not change?

What is a constant?

100

Water well.

What is a pulley

100

How much force you use over time.

What is work?

100

Type of energy found in moving objects.

What is kinetic energy?

200
A force the slows or stops motion when two objects move past one another?

What is friction?

200

A screw.

What is a screw?

200

How much work you do over time.

What is power?

200

Type of energy stored in objects.

What is potential energy?

300

Any slope or ramp that makes it easier to lift.

What is an inclined plane?

300

A bicycle.

What is wheel and axle?

300

How well you do your work.

What is efficiency?

300

When is potential energy the highest on a rollercoaster?

What is the top of the hill?

400

An inclined plane wrapped around a spiral.

What is a screw?

400

An ax.

What is a wedge?

400

work/time=?

What is power?

400

When is kinetic energy the highest on a roller coaster?

What is the bottom of the largest hill?

500

A rod balanced on a fixed point that can help lift a heavy weight.

What is a lever?

500

Scissors.

What is a lever?

500

(Output work/input work) x 100%=?

What is efficiency?

500

What happens to potential energy as the rollercoaster goes down the hill?

Energy is converted from potential to kinetic energy.