Unit 8 - Magnetism

The force or push that causes electric charges to move is called ______ .

• resistance

• voltage difference

• static electricity

• current

To attract means....

• The part of the magnet where the force is the strongest
• A force created by magnets that pulls some metals
• To Pull towards
• An object able to pull some metals towards itself

To repel means....

• To push away
• A force created by magnets that pulls some metals
• To Pull towards
• An object able to pull some metals towards itself

What do the lines around this magnet represent?

• North Pole
• South Pole
• Magnetic Declination
• Magnetic Field

Magnetism is generated by moving

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

As the distance between two magnets increases (they get farther apart), the force between them:

• Increases
• Decreases
• Stays the Same

What is responsible for the Magnetic Field around Earth?

• The Earth's crust
• The Earth's molton iron core
• The Earth's mantel
• The Sun

Which pair of magnets would result from cutting the magnet in half?

• 
• 
• 
• 

According to the diagram, which pair could both be north poles?

• A and B

• B and C

• A and C

• C and D

This structure produces power for use in the home by converting ........

• chemical energy into mechanical energy

• electrical energy into mechanical energy

• chemical energy into electrical energy

• mechanical energy into electrical energy