The Open Door Web Site
LIVING AND NON-LIVING THINGS QUIZ
You think that sand is non-living and was never part of a living thing.
Well done, you are correct!
Sand is made of millions of microscopic grains. These grains were once part of the rocks which make mountains. Rain, snow, ice and wind caused the mountain rock to crack. Pieces of rock were washed into streams where they were broken into smaller and smaller pieces as they were washed down the mountainside. Many streams join together to form a river and rivers flow to the sea. By this time the rock fragments have been broken down into sand. The sand forms beaches where the river reaches the sea.
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