Materials:
A Plate
Flour
Four different sized rocks
What to do:
- First put some flour in a plate.
- Then get your rocks and put them in a row from smallest to largest.
- Get the largest rock and drop it into the flour from about 1 metre.
- When you have dropped it in pick it up carefully out of the flour and look at the hole.
- If you would like draw a diagram of your craters.
- Once you used the flour with all four rocks try it with sand.
My Prediction:
I predict that when you drop the rocks into the flour it will make a deeper hole because the flour is softer so it will have more effect than the sand because the sand is a lot harder and thicker.
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