Earth Systems & Space · Week 2 of 9
Why does the Moon change shape?
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Today's goal
Use a lamp-and-ball model to explain phases.
By the end
Phase diagram with explanation.
What we'll do (60 minutes)
- Ideas: shadow or viewing angle?10 min
- Model: each student is Earth; turn and watch the phases25 min
- Draw four positions and what we see15 min
- Which idea does the model support?10 min
Need a hand?
Picture steps.
Want a challenge?
Model an eclipse and explain why eclipses are rare.
Try this week
AI this week
Kōkako, your AI mentor: Asks you one question at a time, such as “What would your model predict next?”. It never tells you the answer or whether you are right. You: Test the prediction against the real Moon, and revise the model.