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1. ____ process that can break rocks and minerals into smaller pieces. 2. ________ weathering is the process of breaking down rocks by chemical reactions.

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Presentation on theme: "1. ____ process that can break rocks and minerals into smaller pieces. 2. ________ weathering is the process of breaking down rocks by chemical reactions."— Presentation transcript:

1 1. ____ process that can break rocks and minerals into smaller pieces. 2. ________ weathering is the process of breaking down rocks by chemical reactions and form a new substance. (Chemical or Mechanical) RAP:

2 Weathering 1.What is chemical weathering? 2.What are the agents of chemical weathering?

3 1. Chemical weathering is the process of breaking down rocks by chemical reactions and form a new substance

4 2. The agents of chemical weathering Water Acid Precipitation Plants Oxidation-oxygen reacts with metals to form rust

5 Agents of Chemical Weathering Acid Rain- pollutants or volcanic ash mixes with water in the atmosphere Water- reacts with minerals in rocks to form new minerals Oxidation- oxygen reacts with metals and forms rust Plants-Moss and lichens release chemicals

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