Forces and Magnets

The picture shows a boy pulling

a box. How can he move the box

more easily?

• Using wooden rollers.

• Put a cloth under the box and pull it using the cloth.

• Create a pattern on the surface of the box.

• Ensure the surface of the box is clean.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The heavier the weight, the ------------------ the stretch of the spring.

When you push down on a spring, ------------------------------

• the spring pulls down on your hand.

• the spring pushes up against your hand.

Tags

NGSS.MS-PS2-1

Which is needed to determine the amount of gravitational force between two objects?

• distance and mass

• weight and time

• area and weight

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NGSS.MS-PS2-4

What is being described here?

"A force that occurs when two objects are touching is a..."

• contact force

• non-contact force

A magnet has two 'poles'. What are they called?

• North and west

• South and west

• North and south

• South and east

If you put two of the same poles together what will happen? (for example, north and north together)

• They will attract (pull together)

• They will repel (push apart)

• They will not do anything

Tags

NGSS.MS-PS2-5

If you put two opposite poles together what will happen? (for example, north and south together)

• They will attract (pull together)

• They will repel (pull apart)

• They will not do anything

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which three metals are magnetic? (select 3)

• Cobalt

• Iron

• Gold

• Nickel

• Copper

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NGSS.MS-PS2-3

Why is steel magnetic even though it's not one of the 3 magnetic metals?

• It has cobalt inside it and cobalt is magnetic

• It has gold inside it and gold is magnetic

• It is shiny and looks really nice

• It has iron inside it and iron is magnetic

Tags

NGSS.MS-PS2-3