Which object(s) have electric fields?

• Electric Charges

• Magnets

• Both Electric Charges & Magnets

• Electric fields do not exist

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Which object(s) have magnetic fields?

• Electric Charges

• Magnets

• Both Electric Charges & Magnets

• Magnetic fields do not exist

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A(n) ___ converts electricity into magnetism.

• electric transformer

• electric generator

• electromagnet

• electric motor

Tags

NGSS.HS-PS2-5

A(n) ___ converts magnetism into electricity.

• electric transformer

• electric generator

• electromagnet

• electric motor

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3

A(n) ___ converts electricity into magnetism, and back to electricity.

• electric transformer

• electric generator

• electromagnet

• electric motor

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3

Electric charges must ___ in order to create an observable magnetic field.

• exist

• be moving

• be stationary

• disappear

Tags

NGSS.HS-PS2-5

Which of the following will increase the strength of an electromagnet?

• Use a Bigger Battery (More Current)

• Wrap More Coils

• Insert an Iron Core

• Use a Bigger Magnet

Tags

NGSS.HS-PS2-5

Which of the following will increase the strength of an electric generator?

• Use a Bigger Magnet

• Move the Magnet Slower

• Wrap More Coils

• Use a Bigger Battery

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3

Why is permanent magnet able to exert a force on an electric charge?

• Electric charges have an electric field

• Electric charges have a magnetic field

• A permanent magnet has an electric field

• A permanent magnet cannot exert a force on an electric charge

Tags

NGSS.HS-PS3-5

What must occur for a magnetic field to induce an electric current?

• The magnetic field must be really big

• The magnetic field must be stable

• The magnetic field must be changing

• The magnetic field must be from a permanent magnet

Tags

NGSS.HS-PS2-5