Ch 1
Ch 2
Ch 3
Ch 4
Ch 5
100
Occurs when what scientists expects changes how the results are viewed
What is bias
100
Total distance traveled divided by the total time of travel
What is average speed
100
The acceleration of an object is in the same direction as the net force on the object
What is Newton's second law of motion
100
Energy a moving object has cause its motion
What is kinetic energy
100
The transfer of energy that occurs when a force makes an object move
What is work
200
A scientific ____ is an explanation of things or events based on knowledge gained from observations
What is theory
200
Frictional force that that prevents two surfaces from sliding past each other
What is static friction
200
Stored energy due to its position
What is potential energy
200
Amount of work done is
What is power
300
A possible explanation for a problem using what you know and what you observe
What is hypothesis
300
The rate of change if velocity
What is acceleration
300
Opposes motion through the air
What is air resistance
300
Total amount of kinetic and potential energy
What is mechanical energy
300
Device that makes doing work easier
What is machine
400
Value changes according to the other variables
What is dependent variable
400
A push or pull
What is force
400
States that energy cannot be created or destroyed
What is law of conservation of energy
400
Measure of how much work put into a machine is changed
What is efficiency
500
The variable you change to see how it affects the dependent vatiable
What is independent variable
500
Tendency of an object to resist any change in its motion
What is inertia
500
When one object exerts a force on a second object;the second one exerts force on the first object
What is Newton's third law
500
Energy stored by the objects due to their position above earths surface
What is gravitational potential energy
500
Machine that does work with he movement
What is simple machine
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