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investigation 1
Question | Answer |
---|---|
Does water expand (takes up more space) or contract (takes up less space) when it freezes? | Expands |
Is an arch in the desert formed by wind, ice, or water? | Wind |
is a canyon formed by wind, ice, or water? | Water |
How are physical and chemical weathering similar? | They both break rocks into smaller pieces. |
How are physical and chemical weathering different? | Chemical weathering produces new materials, physical weathering doesn’t. |
When rocks are carried in a river, abrasion makes them _________ and __________. | Smaller and smoother |
What types of rocks are affected by acid rain? | Limestone and marble |
What causes rocks to be affected by acid rain? | The calcite in the rocks has a chemical reaction with the acid rain. |
How does freezing break rocks? | Water gets into cracks and then it freezes. When it freezes, it expands and breaks the rock. |