Test: 5th Grade Science

1.

Sydnie is making a sand castle on the beach. She mixes water with her sand to make sure it's wet enough to mold into the shapes she wants. Is Sydnie making a new substance when she mixes sand and water? How do you know?

No, Sydnie is not making a new substance because the sand changes colors.

Yes, Sydnie is making a new substance because the sand and water are mixed together.

No, Sydnie is not making a new substance because only the shape of the sand and water changes.

Yes, Sydnie is making a new substance because there is no way to un-mix the sand and water.

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