sky and Earth

How long does it take Earth to complete a rotation?

• 24 hours

• 20 hours

What can we use to study the stars, the moon and the planets from Earth?

• Telescope

• Thermometer

What would happen if there was no gravity?

• We would stick to things.

• We would float.

What can we use to measure the air temperature?

• thermometer

• telescope

Days in winter are...

• long

• short

The days in summer are...

• long

• short

which objects you can see in the night sky?

• 
• 

The sun is a big ball of hot gas.

• 
• 

The sun is the ........................ star to earth.

• closest

• far away

Stars look small because they are ________________ from us.

• many

• far away