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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

Two inclined planes together, like a knife

What is a 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 are 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 are 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 per unit time

What is power?

500

The ability to do work

What is energy?

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

These are the six types of simple machine

What are the pulley, wedge, inclined plane, wheel and axle, screw and lever?