Abeka Science Chapter 3 Test

True or False

Unbalanced forces do work

• True

• False

True or False

The frame is the base of building

• True

• False

Answer explanation

foundation

True or False

Opposite poles of a magnet repel

• True

• False

Answer explanation

attract

True or False

Sir Isaac Newton discovered the laws of motion

• True

• False

True or False

Mass, speed, and direction are all part of an object's moving energy

• True

• False

True or False

Inertia is property of matter that makes it resist a change in motion

• True

• False

True or False

A machine is a device that makes work easier

• True

• False

True or False

An electromagnet can generate gravity

• True

• False

Answer explanation

electromagnetic force

True or False

An object in motion will stay at rest unless acted upon by an unbalanced force

• True

• False

Answer explanation

in motion

True or False

The axle is the part of a lever which holds and balances weight

• True

• False

Answer explanation

fulcrum