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Year 3 Rocks!

In science, Year 3 have been investigating rocks to see if they are permeable (water passes through them). The children tested granite, sandstone, marble, pumice, limestone, flint and chalk. We discovered that some rocks, like chalk, sandstone and pumice, were permiable. Granite wasn't permeable. At first flint appeared permeable, because the water passed through its top layer.

The children made predictions before their test. They also ensured that it was a fair test by keeping the amount of water the same each time and waiting the same amount of time.

Here are some of the rocks we investigated:

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