Earth

What planet is the largest of the inner planets?

• Earth
• Venus
• Mercury
• Jupiter

What is the only planet in our solar system to have only 1 moon?

• Jupiter
• Earth
• Mars
• Mercury

Earth is the only planet to have liquid _________.

• trees
• grass
• water
• rocks

The Earth is sometimes  called the ______  _________ because it is covered with so much water.

• Blue Moon
• Blue Planet
• Wet World
• Water Planet

What are the thick layer of gases that cover the entire Earth called?

• Automobile
• Atmosphere
• Circle of Air
• Earth Shield

The ________ allows us to breathe.

• mantle
• core
• planet
• atmosphere

The atmosphere helps to protect the Earth from ________________.

• airplanes
• harmful radiation

How long does it take the Earth to travel around the sun?

• month
• year
• day
• 25 days

The Earth rotates every ______ hours.

• 24
• 36
• 15
• 4

What is the outer layer of the Earth called?

• crust
• mantle
• core
• magma