“What Makes a Planet Habitable?” Origin and Structure of the Earth

Directions: Put the different members of the solar system specified in each Fast Fact card. Assess the likelihood of each solar system body to support life based on the information written on each card and check the appropriate column. Write your reasons of your likelihood assessment. Answer the questions that follow:

Data and Results:

Solar System Body Life is Likely Life is Possible Life is Unlikely Reasons

Guide Questions:

1. Compare the similarities and differences of basic features of Earth to the other members of the solar system.
2. Based on your comparisons, what makes the Earth a unique planet and able to support life?