Inner Planets

Multiple Choice

Inner planets are known as

• terrestrial planets

• small planets

• hot planets

• cold planets

Multiple Choice

What are inner planets made of?

• solid and rock

• gas and dust

• solid and gas

• gas and rock

Multiple Choice

How long does it take Mercury to revolve around the Sun?

• 365 days

• 59 days

• 88 days

• 24 days

Multiple Choice

How many moons does Mercury have?

• 0

• 1

• 2

• 3

Drag and Drop

Mercury has no wind and no atmosphere, this means temperatures closest to the sun can reach up to ​

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. The side facing away from the sun can reach temperatures as cold as ​

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Drag these tiles and drop them in the correct blank above

Multiple Choice

Does Mercury have erosion?

• Yes

• No

Multiple Select

What is Mercury's core made of?

• iron

• nickel

• oxygen

• silicon

Multiple Choice

How long does it take Venus to make a period of revolution?

• 244 days

• 225 days

• 72 days

• 81 days

Multiple Choice

How long does it take Venus to make a period of rotation?

• 244 days

• 225 days

• 72 days

• 95 days

Multiple Choice

Venus has an atmosphere made mainly of what gas?

• oxygen

• carbon

• carbon dioxide

• nitrogen

Multiple Choice

Since the atmosphere is made mainly of carbon dioxide, what are the cloud made of on Venus?

• water

• water vapor

• acid

• there are no clouds on Venus

Multiple Choice

Venus's structure is similar to what other planet?

• Mercury

• Jupiter

• Earth

• Mars

Multiple Choice

Earth is the only planet to have life.

• True

• False

Multiple Choice

Earth is the only planet to have water.

• True

• False

Multiple Choice

How long is Earth's period of revolution?

• 88 days

• 65 days

• 24 hours

• 365 days

Multiple Choice

How long is Earth's period of rotation?

• 88 days

• 65 days

• 24 hours

• 365 days

Multiple Choice

What is Mars period of rotation?

• 24.6 hours

• 1.88 years

• 2 hours

• 10 years

Multiple Choice

What is Mars period of revolution?

• 24.6 hours

• 1.88 years

• 2 hours

• 10 years

Multiple Choice

What is Mars's atmosphere mostly made of?

• oxygen

• carbon dioxide

• nitrogen

• neon

Multiple Select

What are the polar caps on Mar made of?

• carbon dioxide

• ice

• water

• hydrogen