Magnetism

All of the following materials are magnetic EXCEPT:

• iron

• nickel

• aluminum

• cobalt

Tags

NGSS.MS-PS2-3

A "mystery material" is attracting to the south pole of a bar magnet. Which of the following is true?

• the mystery material is made of copper and has a south pole facing the magnet

• the mystery material is made of copper and has a north pole facing the magnet

• the mystery material is made of iron and has a south pole facing the magnet

• the mystery material is made of iron and has a north pole facing the magnet

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What does this picture tell you about the material?

• the material is magnetized

• the material is not magnetized

• nothing

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The area around the magnet where the force is exerted is the ______.

• magnetic field

• domains

• pole

• rule of magnetism

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of the following objects does not use magnetism?

• compass

• credit card

• computer

• tv remote

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of the following will reduce the strength of a magnetic field around a solenoid?

• add more coils

• take away coils

• add voltage

• put an iron core in the solenoid

Tags

NGSS.MS-PS2-3

The diagrams show that electricity

• flows in an open circuit.

• has a magnetic field.

• gets stronger when a compass is close.

Tags

NGSS.MS-PS2-3

If testing "How does the amount of voltage affect the strength of an electromagnet?", the dependent variable is _.

• the amount of voltage

• the strength of an electromagnet

• the number of coils

• the type of battery

What is NOT true of magnets?

• they are surrounded by a magnetic field

• they have both north & south poles

• it is possible they have only one pole

• their magnetic domains line up/face the same direction

If testing "How does the amount of voltage affect the strength of an electromagnet?", a constant is _.

• voltage

• strength of the electromagnet

• number of coils

• the number of batteries