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Transcript
The Rock Cycle
•
•
You know that paper and plastic can be
recycled. But did you know that the Earth
also recycles?
Earth recycles ROCK!!
--Answer these questions:
1. What is a rock?
2. How can rock be recycled?
3. How long does it take for rock to be recycled?
4. What would rock look like before, during, and
after being recycled?
Look at page 360…
• Read the first paragraph in black and
find one way that rocks and minerals
are different AND one way that rocks
and minerals are alike!!
–You have two minutes!!!!!!
ROCKS
MINERALS
ROCKS
•
What is a rock?
1. Naturally occurring
2. Solid mixture
3. One or more minerals and organic
material
ROCKS ARE ALWAYS CHANGING!
•THE ROCK CYCLE….
–The process in which new rock
forms from old rock material
Processes that Shape the
Earth
1. WEATHERING:
–The process in which water, wind,
ice, and heat break down rock
–breaks rock down into pieces called
sediment
__________.
These sediments
sedimentary
rock
make _____________
______.
2. Erosion:
-process in which sediment is removed from
its source and carried away
CAUSES OF EROSION:
1. water
2. ice
3. wind
4. gravity
3. Deposition:
-process in which sediment moved by
erosion is dropped and comes to rest
The Rock Cycle