Circuits & Magnetism

Electric current is the flow of:

• electrons
• protons
• neutrons
• none of these

Tags

NGSS.HS-PS2-5

What is Resistance?

• The flow of electrons
• Electric potential difference
• A battery
• The ability to reduce the flow of electrons

What is current measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

Tags

NGSS.HS-PS2-5

If the Voltage is increased and the resistance stays the same, Current will

• Increase
• Decrease
• Stay the same
• X

Which statement is true?

• Magnetic field lines run from a south pole to a north pole.
• Magnetic field lines run from a north pole to a south pole.
• There are no magnetic field lines inside a magnet.
• Iron is attracted to north pole but repelled from south pole

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Magnetism is generated by moving

• protons.
• electrons.
• neutrons.
• elements.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

If you place the North pole of a magnet next to the South pole of another magnet, they will:

• Attract
• Repel
• Do nothing
• Shatter

If the North Pole of a permanent magnet is placed next to a compass as seen in the picture, which direction will the needle move?

• Clockwise
• Counter-clockwise
• It will not move
• Need more information

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which direction is the North Pole of this electromagnet?

• Right
• Left
• Up
• Down

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

In un-magnetized materials the domains are __________ aligned.

• super

• slightly
• randomly
• always