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weathering $erosion
weathering and erosion unit
Question | Answer |
---|---|
A scientist that studies the rocks of the earth | Geologist |
The study of the earth | Geology |
The breaking down of rocks into smaller pieces | Weathering |
The changing of a rock's size and shape as it breaks down. Minerals do not change. | Physical Weathering |
The changing of a rock's minerals causing it to break apart | Chemical Weathering |
Examples of physical weathering | Freeze/Thaw Plant Roots Water Animals burrowing Humans |
Examples of Chemical Weathering | Rust Carbon Dioxide mixing with water to form a weak acid Lichen |
The carrying away of rocks and soil | Erosion |
Agents of erosion | Wind Water Gravity Ice/Glaciers |
Large body of moving ice and snow | Glacier |
Period of time when glaciers covered much of the earth | Ice Age |
The laying down of pieces of the Earth's surface | Deposition |
Loose material | Sediment |
Natural areas formed from weathering and erosion | Grand Canyon, Boulder Field, and caves |