Comparing Rocky Planets Comparing Rocky Planets
Working with a partner, use the Comparing Rocky Planets Cards to gather evidence about which planet is most similar to Earth.

1. Which sphere are you and your partner studying?
2. Record your notes about your sphere for each planet.

Mercury:

Venus:

Earth:

Mars:

3. Answer the following questions for your sphere, using evidence from the Comparing Rocky Planets Cards.

Which rocky planet’s
is most similar to Earth’s?
Why?

Which rocky planet’s
is most different from Earth’s?
Why?