Motion & Forces
Changing Motion
Work & Energy
Simple Machines
Examples of Simple Machines
100
What occurs when an object changes location or its position?
Motion
100
What is any change over time in the speed or direction of a moving object?
Acceleration
100
What is done when a force is used to move an object a certain distance?
Work
100
What is a device that uses force to do work and has only a few parts?
Simple Machine
100
Which simple machine is found on the head of an ax?
Wedge
200
What is the distance an object moves in an amount of time?
Speed
200
What is the tendency of an object in motion to stay in motion or of an object at rest to stay at rest?
Inertia
200
What is the ability to do work?
Energy
200
What is a machine made up of a bar and fulcrum, which can be used to apply a force over a distance?
A lever
200
Which simple machine is a seesaw an example of?
Lever
300
What describes an object’s speed and direction of motion?
Velocity
300
What is a force that works against motion?
Friction
300
What is stored energy with the future ability to do work?
Potential Energy
300
What is a two-part simple machine that has a wheel fixed to a central axle?
Wheel and Axle
300
Which simple machine is a bottle cap an example of?
Screw
400
What must be applied to put an object in motion or stop an object from moving?
A Force
400
What type of surface creates a lot of friction?
Rough
400
A moving object has the energy of motion. What is this type of energy called?
Kinetic Energy
400
What is a simple machine with a grooved wheel and cord?
Pulley
400
Which simple machine would a wheel and rope on a flagpole be an example of?
Pulley
500
More force is needed to move an object with a large what?
Mass
500
What type of surface does not create much friction?
Smooth
500
What is it called when energy changes from one form to another?
Transformation
500
What is is a simple machine with a flat, slanted surface that holds up, or supports, most of the load’s weight?
Inclined Plane
500
Which simple machine would a loading ramp on a truck be an example of?
Inclined Plane
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