Your mission is to blow the cover of these objects and materials.
Are they floaters or sinkers?

Can you predict if these things will float or sink in a basin of water?
Talk about it with your friends.(itís good to talk).
List your predictions on the next page.
Then test them using a basin of water.

The Suspects
apple, full orange, segment of orange, lump of plasticine,
pencil, rubber, paper clip, grape, some coins and some things you have chosen to round up yourself.


Your Prediction
Result of Test
Sort the materials used into two groups



Did any of the suspects spring a surprise?
Were any of your predictions wrong?
Tell us what youíve learned.