Force & Motion Review

The toy car and ramp seen above might be used to answer which testable question?

• A. What material is the ramp made of?

• B. Which toy car looks the best?

• C What effect does gravity have on a toy car?

• D. What metal makes the best toy cars?

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2. By changing the surface over which the car rolls from sandpaper to wax paper, you might be able to test the effect of what force?

• A. Magnetism

• B. Wind

• C. Wind

• D. Friction

3. Which two tools below would be most useful in testing how the mass of an object can affect the distance it moves with a push?

• A. Spring scale and hot plate

• B. Balance and meter stick

• C. Graduated Cylinder and beaker

• D. Magnet and thermometer

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10. A student investigating the effects of forces, measures the distance a ball can be pushed by air from a small fan. What is the variable (change) in this investigation?

• F. The mass of the balls being pushed by air.

• G. The length of the surface on which the balls roll.

• H. The amount of wind pushing the balls.

• J. The type of surface the balls are rolling on.

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Useful friction is created by the.....

• Wheels

• Handlebars

• Gears

• Breaks

What force is being applied in this picture?

• Push

• Pull

On a smooth surface, there is ____ friction.

• slower

• harder

• less

• more

One example of a push is ____

• rolling a ball

• putting on socks

• climbing a rope

• zipping your jacket

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Color, texture and hardness are all examples of ________________

• Physical properties

• Solids

• Liquid

• Mixtures

Which property are you measuring when you use a pan balance ?

• Temperature

• Mass

• Volume

• Shape