ELO 5 Test Review

What is an electromagnetic force?

• pull together

• this results from an interaction between electrically charged particles

• push away

• a temporary magnet with a magnetic field produced by electric current

Tags

NGSS.MS-PS2-3

What is an electromagnet?

• pull together

• this results from an interaction between electrically charged particles

• push away

• a temporary magnet with a magnetic field produced by electric current

Tags

NGSS.MS-PS2-3

What is the definition for attract?

• pull together

• this results from an interaction between electrically charged particles

• push away

• a temporary magnet with a magnetic field produced by electric current

Tags

NGSS.3-PS2-3

What is the definition for repel?

• pull together

• this results from an interaction between electrically charged particles

• push away

• a temporary magnet with a magnetic field produced by electric current

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Students rubbed a balloon across some carpet to give it a charge. Then the balloon picked up paper. What data could tell us if the charge is getting stronger?

• the length and width of the balloon

• the number of pieces of paper picked up

• the size of the carpet

• the distance that the balloon rubbed the carpet

Tags

NGSS.MS-PS2-3

An electromagnet picks up staples. Look at the chart. What would you guess for number of staples for 60 coils?

• 81

• 50

• 45

• 57

Look at this electromagnet pick up trash. How is the metal able to release from the electromagnet?

• a switch can shut off the current stopping the magnet

• it just shakes real hard until it falls off

• static electricity causes the trash to fall

• there is a stronger metal in the ground

Tags

NGSS.MS-PS2-5

The fact that the needle in a compass will point north supports the idea that...

• all metals are magnetic

• opposite poles repel each other

• the earth has a magnetic field

• earth's gravitational pull keeps it in orbit around the sun

Mrs. Goff wants you to hang your study guide on the refrigerator. You tried to attach a new magnet to a magnet that was already on the fridge. What happens?

• The new magnet kept getting pushed away from the old magnet.

• The magnet stuck together.

• Both magnet fell off.

Tags

NGSS.MS-PS2-3

Mrs. Goff wants you to hang your study guide on the refrigerator. You tried to attach a new magnet to a magnet that was already on the fridge. The magnet will...

• attract

• repel

Tags

NGSS.MS-PS2-3