Magnetic Forces Lesson 2 Review

A battery can be used to provide an electric current for an electromagnet.

• True

• False

A stronger electromagnet will have a weaker magnetic field.

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Iron is attracted to a magnet.

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Electromagnets can be used to pick up every type of material at a construction site.

• True

• False

Tags

NGSS.MS-PS2-5

Using more coils in an electromagnet makes it stronger than one with less coils.

• True

• False

Tags

NGSS.MS-PS2-3

Which could most likely be used to separate a mixture of iron and salt?

• refrigerator magnet

• rubber band

• stapler

• ruler

A generator converts ______________ into electrical energy.

• static electricity

• potential energy

• light energy

• mechanical energy

Tags

NGSS.HS-PS3-3

Which of the following can be done using an electromagnet?

• separating blue paper clips from red paper clips

• picking up scrap metal in a junkyard

• attracting wood in a lumber yard

• picking up a stack of paper

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

_______________ flows through the coils of an electromagnet.

• Kinetic energy

• Water

• Hot air

• Electric current

Tags

NGSS.MS-PS2-3

Which step is NOT used to construct an electromagnet?

• wrap a wire around a metal bar

• put a north and a south pole on the bar

• attach each end of the wire to a battery

Tags

NGSS.MS-ETS1-1