Forces and Magnets Year 3 4

A force is a .....

• a push or a pull

• a small pull

• a heavy load

• a big push

A force can't make something move.

• True

• False

Which force pulls objects towards the ground

• Gravity
• Air resistance
• Magnetism
• Friction

Friction is ________

• something hard

• when something burns

• a force that acts between 2 surfaces

• a bumpy surface

Which of these surfaces would create the most friction for a cyclist riding their bike?

• Sand
• Concrete
• Polished wood
• Grass

Which force either attracts or repels objects?

• Gravity
• Friction
• Magnetism
• Air resistance

Which materials are magnetic?

• iron

  nickel

  cobalt

• plastic

  fabric

• all metals

• wood

How can you test which materials are magnetic?

• See which objects are repelled by a magnet
• See which objects are attracted to a magnet
• See which objects are not affected by a magnet at all.
• Watch the object.

A magnet has 2 poles....

• South and East

• North and West

• East and West

• North and South

Opposite poles....

• repel

• attract