Week 11 Blog Post
(Earth Space Science Quiz Thursday 4/17.)
Lab-
Law of superposition: Older stuff at the bottom newer stuff toward the top layers. Layers typically are horizontal. Some layers are not straight due to plate convergent. Stuff at very bottom is oldest because it is closest to bottom. Layers of the earth:
1. Beach 2. Dune 3. Beach 4. Beach 5. River
6. Dune 7. River 8. River beach 9. Beach 10. Beach
Textbook Notes: Rocks and the Rock Cycle
From the weekly textbook reading, I learned all about the rocks and the rock cycle this week. There are three main types of rocks: igneous, sedimentary, and metamorphic. It was most helpful to see how all of these rocks are actually classified. Igneous forms when magma cools. Sedimentary forms when small particles called sediments are compacted together over time. Then metamorphic rocks form when existing rocks undergo heat and pressure.
LAB:
Water Displacement Lab experiment summary:
Things more dense than water will sink. If things are less dense than water they will float. "Displacement Effect"
Geodes
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