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Lesson 74 of 84 ยท Space
LessonExploring Mars (Part 4)
What You'll Learn
Mars is called the Red Planet because iron oxide (rust) covers its surface. Scientists send rovers to Mars to search for evidence of past water and possible microbial life.
Key Words
- gravity
- light-year
Steps
Step 1 โ Read
Read and learn: Mars is called the Red Planet because iron oxide (rust) covers its surface. Scientists send rovers to Mars to search for evidence of past water and possible microbial life.
Step 2 โ Do
Measure and record your data in a table.
Step 3 โ Observe
Note any unexpected results.
Step 4 โ Record
Share your findings with the class or a partner.
Check Your Understanding
Question 1
1 of 3How long does it take Earth to orbit the sun?
