Kids Science Activities
Temperature and Density - Freezing oil and water
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| Materials Required |
- A plastic container
- Water,
- Cooking Oil
- Refrigerator for freezing
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How to do it
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- Pour water into the clear plastic container.
- Pour some some cooking oil into the container.
- Leave this for a few minutes to settle down.
- The oil will rise to the top of the container because ,the oil is lighter than the water.
- Now keep the container into the freezer for a few hours.
- Remove the container from the freezer and observe.
- The oil is now below the water.
- Explain to the child that this is because Water becomes solid when freezing.
- The water expands when it frozen and becomes less dense than that of the oil.
- This makes the water to rise to the top.
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What is learnt
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- The density of substance varies with temperature.
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