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GPS S3E1 Rocks
Stack #184398
| Question | Answer |
|---|---|
| Sedimentary rocks are formed when | mud, sand, and silt are smashed together. |
| When rocks break down they become | soil. |
| Igneous rocks are formed when | they melt inside the earth and flow to the surface. |
| Erosion is when | water and wind carry pieces of rocks and soil to another place. |
| Plants and grasses help keep | erosion from happening. |
| Flat land has less erosion than | steep land like hills and mountains. |
| The sand at the beach will erode during | a hurricane or huge storm. |
| What causes rocks near a stream to become smooth and rounded? | moving water. |