Final review · Put it all together
Read the changing Mars record
5 questions · About 8 minutes · Learn at your own pace
Your goalConnect seasonal observations, geological sequences, water evidence, carbon reservoirs, and a focused observing plan.
Challenge points — / 100
10 per answer + 50 for completing the challenge0 of 5 answered correctly
Use what you learned across the course. Revisit a lesson whenever you need it; your answers will wait here. Retries never cost points.
1. A changing landscape and a longer year
10 points2. Read the order written into the ground
10 points3. Build a case for ancient water
10 points4. Where did the atmosphere go?
10 points5. Choose the measurement that changes the answer
10 pointsThe connections you made
Bring the whole story together.
Answer all 5 questions correctly to earn the 50-point completion bonus. Your correct answers are kept as you go.
Use Practice again to retry any completed question without changing your result.