Q3 Common Assessment Review

If you are testing the strength of attraction to a nail, what would be a good question to ask for your experiment?

• Will a nail attract to metal?

• Does a magnet attract to any nail?

• If a nail is made of iron, will a permanent magnet attract to it?

• If a small nail is not made of iron, another nail can attract to it?

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

If there is an electromagnet on the table, what would be a good hypothesis to test it when it is "unplugged".

• Any nail will become a permanent magnet.

• A nail will repel from the electromagnet.

• A paperclip will attract many other paperclips when near it.

• A paperclip will not have any attraction to the electromagnet.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What would be a valid reason that nails or paperclips would not attract to another metal object?

• They should always attract to another metal object.

• They should always repel.

• They will not attract unless there in a magnet in there.

• none of these options

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What will occur when there are two magnets involved with one another?

• An attraction pull

• A repulsion push

• Stronger force as you get closer.

• all of these

• Weaker force as you get closer.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the Independent Variable in this experiment?

• Voltage

• Coils

• #of paper clips

• #of turns

• none of these

What is the Dependent Variable in this experiment?

• Voltage

• Coils

• #of paper clips

• #of turns

• none of these

Other than Battery Voltage, what is the other Independent Variable in this experiment?

• Coils

• #of paper clips

• #of turns

• none of these

Tags

NGSS.MS-PS2-2

What would not be a constant variable in this experiment?

• length of wire

• length of nail

• brand/type of nail

• temperature of battery

• size/weight of paper clips

Tags

NGSS.MS-PS2-2

Simply put, how does the electromagnet make a speaker vibrate, or a doorbell ring?

• wire acts like a spring

• metal gives a push and pull

• battery current and a magnet interact

• temperature makes diaphragm expand and contract

• these all are ridiculous

Electromagnets have an attractive and repulsive force that help electronic devices function?

• 
• 
• 

Tags

NGSS.MS-PS2-3