Question 1

If you cut the magnet shown in the picture in half there will be _____ south poles.

Accepted Answer

two

Answer

one

Answer

four

Answer

three

Question 2

Every magnet has two ends, called _______________.

Accepted Answer

poles

Answer

pieces

Answer

parts

Answer

terminals

Question 3

Magnets attract objects made of _________________.

Accepted Answer

steel

Answer

metal

Answer

plastic

Answer

wood

Question 4

The ______________ of an object is its speed and direction of motion.

Accepted Answer

velocity

Answer

mass

Answer

density

Answer

speed

Question 5

The _____________ of an object is the amount of matter in it.

Accepted Answer

mass

Answer

volume

Answer

speed

Answer

shape

Question 6

_______________ is the force that causes the Earth to orbit the Sun.

Accepted Answer

Gravity

Answer

Magnetism

Answer

Electricity

Answer

Friction

Question 7

Only one force can act on an object at one time.

Accepted Answer

False

Answer

True

Question 8

All matter in the universe is constantly in motion.

Accepted Answer

True

Answer

False

Question 9

If the force acting on a object is zero then the object will remain at rest. Which law is this?

Accepted Answer

1st law

Answer

3rd law

Answer

2nd law

Question 10

Forces always act in equal but opposite pairs. Which law is this?

Accepted Answer

3rd law

Answer

2nd law

Answer

1st law

Question 11

An object acted upon by a force will accelerate in the direction of the force. Which law is this?

Accepted Answer

2nd law

Answer

1st law

Answer

3rd law

Question 12

A(n) __________________ is a push or pull.

Accepted Answer

Force

Answer

Momentum

Answer

Acceleration

Answer

Newton

Question 13

_________________ is the rubbing force that acts against motion between two touching surfaces.

Accepted Answer

Friction

Answer

Momentum

Answer

Force

Answer

Acceleration

Question 14

Does friction speed up an object or slow it down? _______________________

Accepted Answer

Slow it down

Answer

Does not change it

Answer

Speed it up

Question 15

A ___________________ is an example of a compound machine.

Accepted Answer

lawnmower

Answer

baseball bat

Answer

shovel

Answer

wheel and axle

Question 16

A _______________________ is NOT a simple machine.

Accepted Answer

teeter totter

Answer

tooth

Answer

wrench

Answer

shovel

Question 17

The pivot point of a lever is called a _________________.

Accepted Answer

fulcrum

Answer

screw

Answer

wedge

Answer

wheel and axle

Question 18

A(n) _______________ is a moving inclined plane.

Accepted Answer

wedge

Answer

teeter totter

Answer

elevator

Answer

staircase

Question 19

A knife is a ___________________.

Accepted Answer

wedge

Answer

screw

Answer

lever

Answer

wheel and axle

Question 20

A doorknob is a wedge.

Accepted Answer

False

Answer

True

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