Chapter 4

Question 1

Define geology

Answer 1

The study of earths physical structures and forces that created them.

Question 2

Give two characteristics of the inner core

Answer 2

Solid and 780 miles thick

Question 3

List the four earth zones

Answer 3

Core, inner core, outer core, crust

Question 4

About how many large plates does the earth have?

Answer 4

Seven or eight

Question 5

Those plates move on the

Answer 5

Across the upper mantle

Question 6

What are the three things that can happen on the edges of the plates?

Answer 6

Melt, Bend, and break

Question 7

What was the supercontinent called?

Answer 7

Pangeu

Question 8

What are the smaller continents that it broke into called

Answer 8

Gond wound and Louisiana

Question 9

Name the three types of plate tectonics

Answer 9

Divergent, convergent, subduction

Question 10

Give three characteristics of when plates move apart

Answer 10

40,000 miles long, volcanic mountains, worlds highest peaks

Question 11

On land we call these areas

Answer 11

abyssal plains

Question 12

Define abyssal plains

Answer 12

Away from the oceanic ridges the ocean for sinks due to the lack of support

Question 13

What are two landform features that can be created when there is a subduction?

Answer 13

Volcanoes and trenches

Question 14

What is likely to happen when plates slide past each other?

Answer 14

Earthquakes

Question 15

What to process his cause weathering?

Answer 15

Breaking down and decaying of rocks

Question 16

Define erosion

Answer 16

The movement of surface area from one place to another

Question 17

Name the three natural processes that erode material

Answer 17

Water, wind, and ice

Question 18

Why are two affects of glaciers?

Answer 18

Erode. rock and remove sediment

Question 19

Shapes on the land can be built by what three processes?

Answer 19

Techtonic, erosion, sediment deposits

Question 20

How much of the earths water is usable for humans?

Answer 20

3%

Question 21

Explain how water moves through the hydrological cycle

Answer 21

The movement of water through the hydrosphere

Question 22

What is the largest watershed in the US?

Answer 22

Mississippi river

Question 23

Name three ways lakes can be made

Answer 23

Glaciers, continental shift, volcanoes

Question 24

Define tributary

Answer 24

Small rivers that flow into bigger rivers

Question 25

Give three examples of wetlands

Answer 25

Swamps, bottom land, marches

Question 26

Name to aquifers in the mid west

Answer 26

Oyala, maromet