Magnetism

1) The magnetic force of a material comes from the spinning of what atomic particle?

• Proton

• Nucleus

• Neutron

• Electron

• Photon

2) What happens if you hold the north poles of two different magnets close to each other?

• They will attract each other

• They will repel each other

• They will grow very hot

• Nothing will happen

3) What happens if you hold the south pole of one magnet close to the north pole of another magnet?

• They will attract each other

• They will grow very hot

• They will repel each other

• Nothing will happen

4) What is the main element used to create a magnet?

• Carbon

• Gold

• Magnesium

• Oxygen

• Iron

5) What creates the protective magnetic field around the Earth?

• Volcanoes

• The movement of the ocean

• The Earth's core

• The Moon

• Photons from the Sun

6) What does the Earth's magnetic field protect us from?

• The Moon crashing into the Earth

• Solar winds and radiation from the Sun

• The atmosphere from escaping into space

• Meteorites

• Nothing

7) True or False: Compasses point north because the Earth is basically a giant magnet.

• TRUE

• FALSE

8) Powerful magnets can be created by wrapping a wire around iron and running _____ through the wire.

• Heat

• Water

• Cold

• Electricity

• None of the Above

9) In magnetic materials, all the electrons are spinning in ______ .

• Opposite directions

• The same direction

• Random directions

10) True or False: Some animals use the Earth's magnetic field to find the right direction when migrating.

• TRUE

• FALSE