Unit 8 Review

When two magnets repel each other which poles are facing each other?

• North and South
• South and North
• North and North
• Positive and Negative

Tags

NGSS.MS-PS2-3

What happens to the magnetic force as an object gets further away from the magnetic field?

• The force increases
• The force decreases
• The force stays the same
• There was no force to begin with

Tags

NGSS.MS-PS2-3

What is a conductor?

• A material that stops electric current from flowing
• A material that allows electric current to flow easily

Which is an example of a conductor?

• Glass
• Plastic
• Copper
• Wood

What is an insulator?

• A material that DOES NOT allow electric current to flow
• A material that DOES allow electric current to flow

Which is an example of an insulator?

• Rubber
• Copper
• Iron
• Steel

What is magnetism?

• An invisible force produced by certain metals
• A visible force produced by certain metals
• An invisible force produced by all metals
• A visible force produced by mixtures of metals

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What particles of an atom are attracted to each other? 

• Protons and Electrons
• Electrons and Electrons
• Protons and Protons
• Electrons and Neutrons

Tags

NGSS.MS-PS2-3

How is electricity a force?

• It is not a force
• Electrons are pushed through a circuit
• Protons are pushed through a circuit
• Neutrons are pushed through a circuit

Tags

NGSS.MS-PS2-3

How do you increase the strength of an electromagnet?

• Decrease the number of batteries and increase the number of coils
• Increase the electric current and decrease the batteries
• You cannot strengthen an electromagnet
• Increase the electric current and increase the number of coils

Tags

NGSS.MS-PS2-3