1. _____the physical feature sedimentary rocks have (sedimentary rock) 2. _____type of rocks form from magma (igneous) 3. _____sedimentary rocks form from.

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Presentation transcript:

1. _____the physical feature sedimentary rocks have (sedimentary rock) 2. _____type of rocks form from magma (igneous) 3. _____sedimentary rocks form from (sedimentary) 4,____powder left behind when a mineral is rubbed on an unglazed piece of porcelain (mineral) 5. ____ series of steps scientists use to solve problems and answer questions (scientific mehtod) DO NOW

Weathering 1.What is weathering? 2.What are the two energy sources that cause weathering? 3.What process can wear down whole mountain ranges? 4.What is mechanical (physical) weathering? 5.What are the agents of mechanical weathering?

1. Weathering is the process of breaking down rocks and minerals into smaller pieces 2. The energy sources that cause weathering are the sun’s energy and the Earth’s internal forces

3. Weathering can wear down entire mountain ranges.

4. Physical or Mechanical weathering is the process of breaking rocks down into smaller pieces by physical force and not changing the composition

5. The agents of physical mechanical weathering Frost Wedging-water seeps rocks and freezes (expands) and melt (contracts) Abrasion-grinding actions of rocks against each other Running Water Gravity Exfoliation Plants Animals