Successfully reported this slideshow.
Your SlideShare is downloading. ×

8 g rocks and weathering

Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Upcoming SlideShare
8 g rocks and weathering
8 g rocks and weathering
Loading in …3
×

Check these out next

1 of 16 Ad
Advertisement

More Related Content

Advertisement

8 g rocks and weathering

  1. 1. 19/09/14 RRoocckkss aanndd WWeeaatthheerriinngg W Richards Worthing High School
  2. 2. WWhhaatt aarree rroocckkss?? 19/09/14 Rocks are made from a combination of minerals and can be hard or soft depending on how the minerals are arranged. Rocks can be found here… …and here… …and here… …and here
  3. 3. SSoommee eexxaammpplleess ooff eerrooss1ii9oo/09nn/14……
  4. 4. 19/09/14 The Needles, Isle of Wight
  5. 5. 19/09/14
  6. 6. 19/09/14
  7. 7. 19/09/14 1890
  8. 8. 19/09/14 1910
  9. 9. 19/09/14 1940
  10. 10. 19/09/14 1975
  11. 11. 19/09/14 Present day
  12. 12. EErroossiioonn eexxppeerriimmeennttss…1…9/09/14 Experiment 1: Shaking rocks in a bottle In this experiment we… This showed what happened when rocks travel with a stream. Describe what you did here… Experiment 2: Acid on limestone In this experiment we… This showed the damage that can be caused by acid rain. Experiment 3: Heating and cooling a rock In this experiment we… This showed the damage that can be done when a rock is heated and cooled, like during the day and night.
  13. 13. RRoocckk ffrraaggmmeennttss 19/09/14 When rocks are transported by a river they are eroded: When rocks are broken off they can form “scree slopes” Rock shape up here Rock shape down here “Sediment”
  14. 14. 19/09/14 Weathering by ice “Onion skin” weathering
  15. 15. EErroossiioonn aanndd wweeaatthheerriinn1g9g/0……9/14 EROSION is when rocks are gradually worn down. WEATHERING is when rocks are broken up into smaller ones. The ultimate result of both of these processes is SOIL.
  16. 16. EExxaammpplleess ooff eerroossiioonn…1…9/09/14 Erosion Physical, chemical or biological? Rocks bumping into each other while travelling down a stream Tree roots pushing against the rock Ice getting into cracks and expanding Acid rain Animals or plants digging into cracks “Onion skin weathering”

×