A scientific experiment to demonstrate how air can make items rise under water.
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Exploration Goal 3: Children experience and environment where they learn strategies for active exploration, thinking and reasoning
Submarines dive under water and rise to the surface by using air.
Try this experiment so your child can see how air makes things rise under water. Encourage them to think up some reasons why this might happen or hypothesize as the scientists say! You may be surprised at the theories!
- Put some raisins in the bottom of a clear plastic bottle or jar.
- Fill it half full of a clear, fizzy drink, such as lemonade.
- Can you work out what makes the raisins move?
- Look at all the bubbles of air that stick to the raisins.
- How long do the raisins keep rising?