Abeka Science 3 Practice Quiz B

The force that pulls objects to Earth is ______.

• gravity

• friction

Tags

NGSS.5-PS2-1

Opposite poles of a magnet ______.

• attract

• repel

Tags

NGSS.MS-PS2-3

A pyramid is strong because it has a wide ______.

• point

• base

A seesaw is an example of an ______.

• inclined plane

• lever

A device that helps make work easier is a ______.

• appliance
• machine

An inclined plane is a ______ machine.

• Compound

• Simple

Because they are not easily bent, ______ are used in buildings.

• arches

• columns

• pyramids

Answer explanation

Because they are not easily bent, columns are used in buildings.

Tags

NGSS.MS-PS2-4

Because they are curved, ______ are used to help spread out weight.

• arches

• columns

• pyramids

Answer explanation

Because they are curved, arches are used to help spread out weight.

Magnets have ______ poles.

• two

• three

• four

Answer explanation

Magnets have a North and South pole, so they have two poles.

The base of any building that keeps it strong is the ______.

• foundation

• roof

• wall