Sink or Float Experiment Activities (cont.)

Part III: Float a Penny

Test how many pennies can be placed on an index card
before it sinks.

Do the same with a popsicle stick.

See how many rocks/pennies can be placed on a piece
of bark before it sinks or tips over.

Part IV: Float AND Sink

Try to make the following items float. Then try to make
that same object sink. Do not place anything on it. Try:

aluminium foil
clay
a plastic container
a metal plate
a sponge or rag