Solar system

The Sun is a star of our slar system?

• true

• false

The temperature of a star determines its "......."

The Moon is a star

• True

• False

The small rocky planets include Mercury, Venus, Earth, Pluto and ......

• Saturn

• Jupiter

• Mars

• Neptune

What are the small rocky planets made of mostly?

• Gas

• rock

• Helium

• rock and metal

How many rings do the small rocky planets have?

• no ring

• just one

• a hundred

• a thousand

What types of gas are the gas giants planets made of?

• Helium and hydrogen

• oxygen

• nitrogen

• carbon dioxide

The small rocky planets move quicker than the gas giants planets in the space

• false

• true

The diameter of the small rocky planets is ......

• less than 11,000 km

• less than 13,000 km

• less than 16, 000 km

• less than 20,000 km

The diameter of gas giants planets is .....

• less than 13,000 km

• less than 36,000 km

• less than 48,000 km

• less than 54, 000 km