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Floating & Sinking - Floating  Modelling Clay Experiment
 

Can you make modelling clay float like a boat?

Materials you will need:

• Modelling Clay
• Sink, Bucket or clear vessel
• Water

 

 
Steps

1. Fill your container with water.

2. Place a ball of modelling clay the water gently.

3. What happens to the ball of modelling clay?

4. Take the ball of modelling clay out of the water.

5. Take some more modelling clay and mold it into the shape of a boat.

6.  Now place your boat on the top of the water very carefully.

6. What happens with your boat of modelling clay?

  objects which float or sink     Floating or Sinking objects     floating or sinking things pic 3

  floating or sinking pic 4     items which may float or sink pic 5     will it float or sink - pic 6

What makes boats float?

Water supports a boat by pushing upwards on the bottom of the boat and therefore it does not sink.

Water cannot support a boat if it has a very heavy load.

A very heavy load would cause a boat to sink. Also, the shape of a boat plays an important role in floating.

If you took some modelling clay in the shape of a ball it would sink; but if you mold it into the shape of a boat it should float.

 
 
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