Natural Science U5: Forces (part 2)

Force is ....

• a pull that acts in an object.

• a push that acts in an object.

• a pull or a push that acts in an object.

• a pull or a puff that acts in an object.

What can a force do to an object?

• A force makes things move.

• A force makes things stay still.

• A force can change the shape of an object or even break it.

• All of them.

Choose the NON CONTACT FORCES. (choose two answers)

• Gravity

• Friction

• Upthrust

• Magnetism

All forces require contact.

• True

• False

• Let me think!!

• I don't remember right now!!

Magnetism and gravity are non-contact forces.

• True

• False

• Let me think!!

• I don't remember right now!!

Magnetism can...

• only attracts objects.

• only repel objects.

• attract or repel objects.

Around them, magnets create ...

• a pull force.

• a magnetic field.

• a push force.

• a different shape.

The smaller the mass of the object...

• the more gravity it will have.

• the less gravity it will have.

The moon is in orbit around Earth because of

• the oxygen in the air.

• the sun.

• the ozone layer.

• gravity.

Who discover gravity?

• Leonardo da Vinci

• Platón

• Isaac Newton

• Descartes