Activity 1 Movements of Rock Layers
Science Skills: Observing, Inferring
You will Need:
small table, 5 books, pencil/stick
What to Do
1. Arrange a pile of 5 books on a table.
2. Insert a pencil or stick at the bottom of the piles.
3. Pull one end of the pencil or stick upward 4 times.
4. Observe what happens to the books.
5. Press the books downward.
Questions:
1. Did the books move? Yes
2. What caused the books to move?​

8. is a technique that uses the images from several telescopes to produce a single image. a. reflection b. interferometry c. radiation d. refraction

Describe the four major spheres of the earth system; identify the parts of the earth they each represent. explain what is meant by the "earth system."

Extensive and unusual cold snaps have occurred here recently. is this evidence that global warming is lessening or not occurring? no—although the long-term trend is for warming, short-term weather patterns can still be variable. no—melting of glaciers and ice caps is making the oceans cooler, which can cause cold snaps. yes-- if global warming really were occurring, cold snaps wouldn’t happen. yes—due to global warming, weather patterns should be become less—not more—variable.