Y3 forces and magnets

This reminds us that...

• Objects are affected by forces.

• Balls can go up or down ramps.

• Objects will move at the same speed on different surfaces.

To make an object move faster, slower or stop, you need a...?

• car

• ramp

• force

• traffic light

What type of surface makes it harder to move an object?

• Smooth

• rough

• opaque

• hard

Which surface would it be easier to roll a ball over?

• bark

• grass

• ice

• pebbles

True or False - all metals are magnetic.

• true

• false

Magnets exert _________ on some materials.

• attractive forces

• repulsive forces

• sticking force

• no forces

True or false - magnetic materials are always made of metal.

• true

• false

Why is steel magnetic?

Choose which metals are magnetic

• iron

• silver

• gold

• aluminium

• steel

Choose the correct option to finish the sentence.

Magnetic forces can...

• act at a distance

• only work when objects are in contact

• create superheros