UNIT 5: FORCES.

Magnetism is a ....

• contact force.

• non- contact force.

Magnetism is a ....

• push and pull force.

• push force.

• pull force.

Magnets attract objects made of....

• Iron and steel.

• All metals.

You....... see the magnetic field around a magnet.

• can

• can't

Click on the words that are about forces:

• Gravity.

• Balanced and unbalanced.

• Push and pull

• Molecule.

• Contact and non- contact.

Weight is a force measured in....

• kilograms.

• pounds.

• newtons.

Which statement is TRUE?

• Gravity only acts through air.

• Gravity acts towards the centre of the Earth.

• Gravity doesn't act on a flying aeroplane.

Which of these is not a force?

• Weight.

• Upthrust.

• Mass.

Where is your mass more?

• On the Moon.

• On Earth.

• It's the same on the Earth and on the Moon.

What is the formula for calculating weight?

• Mass + gravity.

• Mass x gravity.

• Mass x 1,6.