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29 Cards in this Set
- Front
- Back
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When you describe where something is?
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Position
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The amount of space between two objects or places.
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Distance
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Position words
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Overs
Under Left Right On Top Of Beneath Next To |
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A change in position?
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Motion
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Types of Motion
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Straight Line
Round and Round Zigzag Back and Forth |
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How quickly an object moves?
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Speed
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A push or a pull?
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Force
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This can change the motion of an object?
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Forces
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Any object with a magnetic force?
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Magnet
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A pulling force between two objects, such as you and the Earth?
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Gravity
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A measure of the pull of gravity on an object?
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Weight
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Types of Forces?
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Magnetism
Gravity Friction |
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A force that occurs when one object rubs against another?
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Friction
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What is something used to reduce friction?
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Oil
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How does a bike stop?
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The brakes use rubber pads to increase friction. When you squeeze the brake handles, the brake pads press against the rim of the wheel. The friction between the pads and rim cause the bike to stop.
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What is done when a force moves an object or changes an object's motion?
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Work
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The ability to do work?
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Energy
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Energy of motion is called?
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Kinetic Energy
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Stored energy that is ready to be used?
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Potential Energy
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How does energy change?
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Energy can move from one object to another
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Something that makes work easier to do?
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Machine
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Machines with few or no moving parts?
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Simple Machines
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A straight bar that moves on a fixed point?
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Lever
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A special kind of lever that uses a rope and a wheel to lift an object.
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Pulley
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A special lever made up of a wheel that moves around a post.
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Wheel and Axle
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A simple machine with a flat, slanted surface?
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Inclined Plane
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An inclined plane wrapped into a spiral?
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Screw
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A simple machine that splits objects apart?
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Wedge
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Two or more simple machines put together?
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Compound Machine
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