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!
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