CHEMICAL WEATHERING. Starter Activity Write down the following questions and wait Silently for the video to start. 1. What is chemical weathering……. (Give.

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Presentation transcript:

CHEMICAL WEATHERING

Starter Activity Write down the following questions and wait Silently for the video to start. 1. What is chemical weathering……. (Give examples)

Chemical weathering Chemical weathering involves the breakdown of the original minerals within a rock to produce new minerals. such as clay minerals, bauxite, and calcite

Chemical Weathering Breakdown of rocks occurs because of chemical reactions between the minerals in the rocks and substances in the environment such as:  water,  oxygen,  weak acid rainwater. Material worn away from rocks by weathering, either as fragments of rock or dissolved material, may be transported and deposited as sediments, which eventually become compacted to form Sedimentary rock.

Experiment Title: Chemical weathering investigation Aim: to investigate chemical weathering Method: Adding TWO DROPS of acid to a rock Results: Record your results in the following table:

Results Table Name of the rock tested with acid Before Test During Test After Test

Conclusion From this experiment I found that when acid was added to…..