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VOCABULARY
MOTION and FORCES
CHANGING MOTION
WORK AND ENERGY
SIMPLE MACHINES
100
an object being lifted or moved
What is a load
100
an objects speed and direction of motion
What is velocity
100
forces that cancel each other when acting on a single object
What is balanced forces
100
when a force is used to move an object a certain distance
What is work
100
a ramp
What is an inclined plane
200
a push or pull
What is force
200
the distance traveled in an amount of time
What is speed
200
forces that do not cancel each other out when acting on a single object
What is unbalanced forces
200
the ability to do work
What is energy
200
a spiral staircase
What is a screw
300
a flat slanted surface
What is an inclined plane
300
any change in the speed or direction of a moving object
What is acceleration
300
a metric unit for weight measuring an amount of force
What is newton
300
stored energy
What is potential energy
300
scissors
What is a compound machine
400
the tendency for an object in motion to stay in motion or an object at rest to stay at rest
What is inertia
400
a force between surfaces that slows or stops them from moving
What is friction
400
what affects an objects acceleration
What is amount of force
400
an object in motion
What is kinetic energy
400
bicycle
What is a compound machine
500
forces that cancel each other out when acting on a single object
What is balanced forces
500
a force of attraction or pull between objects
What is gravity
500
find how far an object moves find how long it took the object to move divide the distance by the distance traveled by the time spent moving
What is speed
500
A roller coaster on a ramp
What is potential energy
500
How would the world be different without simple machines
What is working harder