OIC3_Science_Midterm 2 Revision

Which force helps a magnet attract metal objects?

• magnetism

• friction

• electricity

• heat

Which is an example of a magnetic material?

• plastic

• iron

• wood

• glass

What happens when two unlike poles of a magnet are placed together?

• They attract

• They repel

• They disappear

• They get stronger

Which force slows down a moving object?

• gravity

• magnetism

• friction

• electricity

Which type of rock is formed when hot, liquid rocks cool down (cooled lava)?

• sedimentary

• igneous

• metamorphic

Which type of rock is formed when rocks are heated and squashed deep inside the Earth for many years?

• sedimentary

• igneous

• metamorphic

Which type of rock is formed when living things die?

• sedimentary

• igneous

• metamorphic

Which rock is this?

• sedimentary

• igneous

• metamorphic

What happen when a magnet is brought near a paperclip?

• The paperclip moves toward the magnet.

• The paperclip loses its strength.

• The paperclip changes color.

Friction is a ______ force.

• non-contact

• magnetic

• contact

• non-magnetic