← Free resource libraryAstronomy • Free activity
Moon Crater Investigation
Model impact craters and test how drop height changes crater size.
6–1330–45 minFree to usePrintable page
You will need
Tray, flour, cocoa powder, small balls, ruler
Investigation
What to do
1
Fill a tray with flour and lightly dust cocoa on top.
2
Drop the same ball from three different heights.
3
Measure crater diameter after each drop.
4
Repeat trials for reliability.
5
Explain what the model can and cannot show about real impacts.
Science thinking
What this develops
Impact craters, variables, modelling and reliability.
Safety first
Use age-appropriate supervision and safe materials. Stop any activity that is unsuitable for the learner or environment. These resources are educational activities, not professional laboratory, medical or safety instructions.
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