Motion and Speed
Forces
Changes in Motion
Doing Work
Simple Machines
100
The location of an object.
What is position?
100
The two different kinds of forces.
What are pushes and pulls?
100
The result of equal forces.
What is no change in motion?
100
The ability to do work.
What is energy?
100
A machine with few or no moving parts that make work easier.
What is a simple machine?
200
The length between two places.
What is distance?
200
1 example of a force that can cause motion without touching the object.
What are magnets?
200
The cause of motion.
What are unequal forces?
200
The process that happens when force changes the motion of an object.
What is work?
200
3 kinds of simple machines.
What are lever, wheel and axle, pulley, inclined plane/ramp, wedge, screw?
300
Three examples of words used to describe position.
What are above, below, left, right, ahead, behind, etc.?
300
How much pull gravity has on an object.
What is weight?
300
The force that occurs when one object rubs against another.
What is friction?
300
The two forms of energy.
What are stored energy and energy of motion?
300
The two ways a lever makes work easier.
What are changes the direction of the force and the amount of force needed?
400
The two things that define speed.
What are how fast and certain distance?
400
The scientific unit used to weigh objects.
What is a newton?
400
1 example of something that reduces friction and 1 example of something that increases friction.
What are oil and rubber?
400
3 examples of stored energy.
What are fuel, batteries, food, and rock on top of hill?
400
2 examples of a compound machine.
What are scissors, faucet, and bicycle?
500
A mapping tool used to measure the real distance between places.
What is a scale?
500
The weight of 8 pounds in newtons.
What is 36 newtons?
500
The part of a wave used to measure wavelength.
What is a crest?
500
The thing friction changes into.
What is heat?
500
The three parts of a lever.
What are force, load, and fulcrum?
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