MATTER AND FORCES TEST

Mass is the amount of (a)  

If some matter has a definite shape and a definite volume, we are speaking about....

• Solids

• Liquids

• Gases

What would happen if the force of gravity suddenly disappeared?

• Objects would start spinning around.

• Objects would turn invisible.

• Objects would stay where they are.

• We would not have an atmosphere.

Choose the non-contact forces we have studied.

• Gravity

• Magnetism

• Friction

• Buoyancy

There are two factors that affect the force of gravity.

Choose the correct options

• Temperature

• Distance

• Volume

• Mass

What is a magnet?

• A material that can create a magnetic field.

• A type of rock.

• A type of plant.

• A piece of metal.

What is magnetic repulsion?

• The process of creating a magnetic field using electricity.

• The process of magnetizing a piece of metal.

• The process of creating a magnetic field in a nearby object without touching it.

• The process of creating an electrical current using magnets.

What is the North Pole of a magnet attracted to?

• Nothing, it repels all other magnets.

• The North Pole of another magnet.

• The South Pole of another magnet.

• Any part of another magnet.

What causes friction?

• The force of gravity.

• The force of magnetism.

• The interaction of two different materials.

• The flow of air.

If you try to pull a box in these surfaces, which one will create less friction?

• Soft carpet

• Slippery oil.

• A ground with sand, like the beach.

• Smoth ice.