Invisible Forces Review

A push or pull is an example of a ___________.

• friction

• force

• gravity

• magnet

What is the force that pulls objects to the ground?

• friction

• poles

• gravity

• iron

Tags

NGSS.5-PS2-1

Which of the following are not magnetic?

• aluminum

• iron

• nickel

• cobalt

Opposite poles on a magnet ___________.

• repel

• break

• bounce

• attract

Magnets attract things made of iron or _______.

• plastic

• steel

• peanut butter

• poles

Tags

NGSS.MS-PS2-3

The _________ is/are where the pull of a magnet is strongest.

• core

• middle

• poles

• force

Which of the following requires the least amount of force to move?

• bookshelf

• refrigerator

• bowling ball

• feather

Which requires the most amount of force to move?

• refrigerator

• backpack

• bowling ball

• feather

Tags

NGSS.MS-PS2-2

Magnets can move things even without touching them

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Earth's core is made up of ______.

• aluminum

• iron

• cheese

• copper