Pour water up to the top in a plastic bottle and close the lid. Try to squeeze water in it.

Pour water up to the top in a plastic bottle and close the lid. Try to squeeze water in it. Then pour out the water, close the bottle again. Now try compressing the air. Explain the results of the experiment.

We have found that squeezing a water bottle is much harder than squeezing air. This is due to the fact that gases are better compressed, because in them the distance between molecules is much greater than the same distance in liquids.



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