Give an example of chemical weathering. A6: Acid rain dissolving limestone (carbonation).
Note: "Exploring Science 8" is a UK-based KS3 textbook (usually published by Pearson). "8G" is typically the unit on or Metals and their Uses depending on the edition. This post assumes the common 8G: "Rocks and Weathering" (from the 2008/2019 editions) but includes a note for other versions. Exploring Science 8 Answers: Unit 8G – Rocks and Weathering (Full Guide) If you’re studying Exploring Science 8 and looking for the answers to Unit 8G (often titled Rocks and Weathering or The Rock Cycle ), you’ve come to the right place.
Give two examples of sedimentary rock. A3: Limestone, sandstone, chalk, shale (any two). Exploring Science 8 Answers 8g
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.
Have a specific 8G question? Drop it in the comments below (if on your own blog) or ask your teacher for clarification. Give an example of chemical weathering
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.
How is igneous rock formed? A2: From cooled magma or lava. "8G" is typically the unit on or Metals
What is formed when sediments are compressed over time? A9: Sedimentary rock.