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Surface Tension is the sideways and downwards force on the surface of a liquid. This force is very strong in a liquid like water



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Surface Tension is the sideways and downwards force on the surface of a liquid. This force is very strong in a liquid like water.
What do you think will happen with the paper clip and the water?

What does happen to the paper clip and the water?

Can you explain what you see?
What do you think will happen when detergent is added to the water?

What does happen when detergent is added to the water?

Can you explain what you see?

What do you think will happen when a loop of silk thread is put on top of the water?

What do you think will happen when detergent is added to the inside of the loop?

What does happen when detergent is added to the inside of the loop?

Can you explain what you see?

What do you think would happen if detergent were added to the outside of the loop rather than the inside?


What do you think will happen if you sprinkled some pepper onto the surface of some water?

What does happen?

Can you explain what you see?

What do you think will happen if some detergent was added to the water?

What does happen?

Can you explain what you see?

What do you think will happen when water is poured over some fly screen?
What does happen?

Can you explain what you see?

What do you think will happen when detergent is added to the water?

What does happen?

Can you explain what you see?


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