L2 - Vacuum

What is AIR made of?

• Atoms

• Atoms and molecules

• Molecules

• Nothing

Which is a VACUUM?

• Full space

• Empty space

What will happen to air in this box?

• It will fill up the box

• It will stay on the left side

What will happen to the AIR BUBBLE in a vacuum?

• Nothing

• Grow bigger

• Get smaller

Answer explanation

The air bubble will grow bigger in order to fill up empty space.

Can fire burn in a vacuum?

• Yes

• No

Can a helicopter or aeroplane fly in a vacuum?

• Yes

• No

Is there a sound in a vacuum?

• Yes

• No

Where can we find the largest vacuum in the universe?

• On Earth

• On Sun

• Space

• On Jupiter

Can sound travel through empty space?

• Yes

• No

Answer explanation

Sound is created when matter vibrates. Without matter, there is no sound.

What happens to WATER in a vacuum?

• Nothing

• Boils

• Freezes