Chapter 17 Study Guide Answers

#1

Pangaea

#2

1. Puzzle-like fit2. Widespread plant3. Animal fossil4. Climate clues (glaciers)5. Rock clues (similar mountains)

#3

Oceanic and continentalOceanic and oceanic

Continental and continental will not have subduction.

#4

Divergent

Convergent

Transform

#5

Divergent- Mid-ocean ridgesConvergent (without subduction)- MountainsConvergent (with subduction)- Volcanoes, volcanic islands, and deep-sea trenchesTransform- Earthquakes

#6

Laurasia

#7

Gondwanaland

#8

The continents drifted apart to their current locations.

#9

Hot rising Cool sinkingCircular motion

#10

When a oceanic plate goes under another oceanic plate of a continental plate. It is a type of convergent boundary.

#11

Younger crust is in the middleOlder crust is on the outsideDivergent Boundary

#12

Asthenosphere

#13

The Atlantic Ocean is expanding because 4 plates form a divergent boundary in the middle of the ocean. This is causing the seafloor to spread apart. The Pacific Ocean is shrinking because the Pacific Plate is surrounded by convergent plate boundaries that have subduction. Basically the Pacific Ocean is being consumed.

#14

Renewable- a natural resource that can used over and over without depleting its supply. Ex. hydropower, solar, wind, biomass, and geothermal.Nonrenewable- a resource that exists in the Earths crust in a fixed amount that takes a long time to be replaced. Ex. Uranium, petroleum (oil), natural gas, propane, and coal.

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#15

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