Chapter 7 Exam (Magnetism)

Magnetism is a force of ____________________________ that occurs between two _____________ objects.

• attraction or repulsion, magnetic

• external or internal, magnetic

• external or repulsion, electronic

• attraction or internal, electronic

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

In magnetic materials, all of the ________ are pointing in the same direction.

• orbits

• doors

• domains

• electrons

Which of the following items is NOT magnetic?

• Cobalt Jet Turbine

• Aluminum Foil

• Iron Nail

• Nickel-Coated Screw

Tags

NGSS.MS-PS2-3

Which of the following would you expect to be magnetic?

• Plastic Water Bottle

• Clay Pottery

• Aluminum Car Door

• Iron Wrench

Tags

NGSS.MS-PS2-3

What makes an electromagnet different from a normal magnet?

• There are two north poles

• There are two south poles

• They can be turned on and off

• An electromagnet is much bigger

If two magnets moving closer together, the magnetic force will get ______________

• weaker

• stronger

• stays the same

• it depends on the size of the magnets

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

If two magnets are placed so that two ____________ poles or two ____________ poles are facing each other, they will repel each other.

• North; South

• Positive; Negative

• External; Internal

• South; West

Magnetic fields are _____________ so we can use ______________ to investigate them

• invisible; iron filings

• invisible, copper shavings

• small; microscopes

• small; batteries

Tags

NGSS.MS-PS2-5

What is this a picture of?

• Electromagnetic Generator

• Solenoid

• Turbine

• Magnetic Field

Tags

NGSS.MS-PS2-3

An electric motor creates __________ energy

• mechanical

• electrical

• magnetic

• combustion