World Geography: The Physical World

Question 1

What are the three main layers of the Earth?

Answer 1

Core, mantle and crust

Question 2

What is the core made out of?

Answer 2

Inner core is solid iron-nickel and outer core is liquid iron-nickel

Question 3

What is the theory stating that there are plate tectonics?

Answer 3

Continental Drift Theory

Question 4

What term is used to describe activities of continental drift?

Answer 4

Plate tectonics

Question 5

What is an example of a continental-continental divergent landform?

Answer 5

Great Rift Valley

Question 6

What is an example of an oceanic-oceanic divergent landform?

Answer 6

Mid-Atlantic Ridge

Question 7

What is the difference between continental-continental and oceanic-oceanic divergent boundaries?

Answer 7

Continental ones have larger rift valleys and are above water

Question 8

What is an example of an oceanic-continental convergent landform?

Answer 8

Andes Mountains

Question 9

What is an example of an oceanic-oceanic convergent landform?

Answer 9

Philippine Islands

Question 10

What is an example of a continental-continental convergent landform?

Answer 10

Himilayas

Question 11

What is an example of a transform landform?

Answer 11

San Andreas Fault

Question 12

What is an example of a hotspot?

Answer 12

Hawaii

Question 13

How are tsunamis created?

Answer 13

Disturbances in the ocean, such as underwater earthquakes, cause tsunami waves

Question 14

What is the difference between weathering and erosion?

Answer 14

Weathering is breaking rocks into smaller rocks and erosion is wearing away at Earth’s surface

Question 15

What are the two types of weathering?

Answer 15

Physical and chemical

Question 16

physical weathering

Answer 16

when rocks are physically broken into smaller pieces

Question 17

chemical weathering

Answer 17

when rocks are chemically changed and broken

Question 18

What are the three types of erosion?

Answer 18

Wind, glacial and water erosion

Question 19

wind erosion

Answer 19

dust, sand and soil is carried from place to place by wind

Question 20

What are the benefits of wind erosion?

Answer 20

Rich soil can be carried to create fertile land

Question 21

What are the drawbacks of wind erosion?

Answer 21

Rich soil can be carried away and land becomes more barren

Question 22

glacial erosion

Answer 22

when landscapes are carved and destroyed by glacial movement

Question 23

moraine

Answer 23

large pile of rocks and debris left behind by glaciers

Question 24

What do moraines look like?

Answer 24

They are usually ridges or dams that create glacial lakes

Question 25

What are the two types of glaciers?

Answer 25

Sheet and mountain glaciers

Question 26

sheet glacier

Answer 26

flat sheets of ice that can break off to form icebergs

Question 27

What is an example of a sheet glacier?

Answer 27

Greenland or Antarctica

Question 28

mountain glacier

Answer 28

glacier found high in mountains that moves downhill

Question 29

water erosion

Answer 29

when water carries sediment or carves away rock