Science 5 Chapter 2 Test Review Question Preview (ID: 39008)


Forces. TEACHERS: click here for quick copy question ID numbers.

Besides strength, or magnitude, what does every force have?
a) gravity
b) direction
c) friction
d) magnetism

A ball is rolled across different surfaces. Which will cause the most friction?
a) tile floor
b) paved road
c) grassy field
d) cement sidewalk

How do electric and magnetic forces act on different objects?
a) They only pull objects
b) They only push objects
c) They either push or pull objects
d) They only push or pull objects when they touch each other

What happens when an object accelerates?
a) Its speed or direction changes
b) Only its speed changes
c) Only its direction changes
d) Its speed and direction do not change

When you ride a roller coaster, what makes your body rise out of its seat at the top of a hill?
a) inertia
b) gravity
c) friction
d) electricity

The greater the net force acting on an object,
a) The lesser the mass of the object
b) The greater the mass of the object
c) The lesser the acceleration of the object
d) The greater the acceleration of the object

What always happens when the forces acting on an object are equal in strength and opposite in direction?
a) The object moves
b) The motion of the object does not change
c) The object does not move
d) The object becomes heavier

When the sun is low in the sky early in the morning, trees form
a) no shadows
b) short shadows
c) long shadows
d) all sizes of shadows

How do you increase the acceleration of a pinecar derby car?
a) Make a streamlined design that reduces air resistance
b) Make the car as heavy as possible
c) Use wheels that will reduce friction with the track
d) All of these

Which of these do not affect the motion of a pitched ball?
a) friction
b) magnetism
c) gravity
d) air resistance

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