Vocabulary
Energy
Work
Power
Machines

100

A push or a pull
What is force

100

A diver on top of a diving board is an example of ______________________ energy.
What is potential energy

100

Two students who are similar in size walk up the same set of stairs. They are doing _________________ amount of work.
What is the same!

100

The two factors of power are work and ________________.
What is time.

100

knife
What is wedge

200

Stored energy
What is potential energy

200

A car rolling down a hill is an example of _____________________ energy.
What is kinetic energy

200

Work = ____________________ x ___________________
What is FORCE x DISTANCE

200

Power is measured in _____________________.
What is watts.

200

Give an example of a pulley.
What is a flag pole, crane, blinds for a window...

300

The units of force
What is newtons

300

A person skiing down a slope is ______________________ potential energy, and ____________________ kinetic energy.
What is losing potential energy and gaining kinetic energy

300

Holding a stack of books - work or not?
What is not doing work

300

The _________________ amount of time it takes to do work, the more power is produced.
What is shorter

300

What is the front of a ship considered?
What is a wedge.

400

the combination of 2 or more simple machines working together
What is compound machine

400

The unit of energy
What is joules

400

Pushing against a wall is an example of doing work. True/False
What is false - not moving over a distance!

400

Two cars that weigh the same race up the hill. Car 1 gets there twice as fast as Car 2. Which car had more power?
What is car 1

400

Name both simple machines in a stapler.
What is a lever (handle) and wedge (staple).

500

How much work is performed in a certain amount of time
What is power

500

The definition of energy.
What is the ability to do work

500

A monster truck and a golf cart climb up the same hill. Which does more work
What is the monster truck - because it weighs more!

500

Power = ___________________/ ___________________
What is WORK/ TIME

500

List all seven simple machines.
What are pulley, wedge, inclined plane, wheel and axle, screw, gear, and lever!