Science 8 Answers 8g: Exploring

Give two examples of sedimentary rock. A3: Limestone, sandstone, chalk, shale (any two).

What is formed when sediments are compressed over time? A9: Sedimentary rock. Exploring Science 8 Answers 8g

How is igneous rock formed? A2: From cooled magma or lava. Give two examples of sedimentary rock

What process turns sedimentary rock into metamorphic rock? A4: Heat and pressure. Section B: Weathering Q5: What is freeze-thaw weathering? A5: Water enters cracks in rock, freezes, expands, and widens the cracks, causing the rock to break apart. A9: Sedimentary rock

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Give an example of chemical weathering. A6: Acid rain dissolving limestone (carbonation).

How do plant roots cause biological weathering? A7: Roots grow into cracks in rocks and push them apart. Section C: The Rock Cycle Diagram Q8: What does erosion mean? A8: The wearing away and transport of rock fragments by wind, water, or ice.