Grade 7A U1/S1 (Sun and planets)

The sun is …

• a hot glowing ball filled with hydrogen and helium

• a hot glowing ball filled with carbon and oxygen

• a hot glowing ball filled with carbon and argon

• a hot glowing ball filled with carbon and carbon dioxide

What is the surface temperature of the sun …°C?

• 1000

• 2500

• 4000

• 5500

... is the fastest planet in our solar system.

• mercury

• venus

• earth

• mars

The Sun was born about … billion years ago.

• 1,5

• 4,5

• 7,5

• 11,5

Which planet has no moon?

• mercury

• venus

• earth

• mars

The hottest planet is …

• mercury

• venus

• earth

• mars

The closest planet to the sun is…

• mercury

• venus

• earth

• mars

Which one of these planets who has ring?

• mercury

• saturn

• earth

• pluto

The famous satellite of the planet Saturn is?

• titan

• ariel

• makemake

• kharon

Which one of these planets who has thinnest atmosphere?

• mercury

• venus

• earth

• mars