BCS8 Chapter 10

Question 1

condensation

Answer 1

the process of changing state from a gas to a liquid

Question 2

evaporation

Answer 2

the process of changing state from a liquid to a gas

Question 3

freezing point

Answer 3

the temperature at which a liquid becomes a solid as heat is removed

Question 4

hydrologist

Answer 4

a scientist who studies Earth’s water systems and helps find solutions to problems related to water quality and quantity

Question 5

melting

Answer 5

the process of changing state from a solid to a liquid

Question 6

solidification

Answer 6

the process of changing state from a liquid to a solid by the removal of heat

Question 7

sublimation

Answer 7

the process of changing state from a solid to a gas without going through the liquid stage

Question 8

density

Answer 8

the mass of a given volume

Question 9

salinity

Answer 9

a measure of the amount of salts dissolved in a liquid

Question 10

crevasse

Answer 10

deep crack that forms in a glacier

Question 11

glaciers

Answer 11

deep crack that forms in a

glacier

Question 12

gravity

Answer 12

the attractive force between objects; the force that causes objects to be pulled toward the centre of Earth

Question 13

ground water

Answer 13

the water that has seeped into the ground from the surface of Earth

Question 14

iceberg

Answer 14

a large chunk of ice that breaks off a glacier into the ocean

Question 15

cave

Answer 15

a large underground hollow in rock created over time by weathering and erosion

Question 16

delta

Answer 16

an area of built-up sediment deposited by a river where the river empties into an ocean or a lake

Question 17

deposition

Answer 17

in geology, the process in which eroded sediments and other material are dropped or left by water or ice, creating built-up landforms such as deltas and eskers

Question 18

erosion

Answer 18

the transport of sediments from one place to another by agents such as water, glaciers, gravity, and wind

Question 19

karst

Answer 19

an area with many sinkholes

Question 20

landslide

Answer 20

a sudden, rapid movement of rock material down the slope of a hill or mountain

Question 21

rapids

Answer 21

an area of fast-moving, churning water in a steep, rocky river

Question 22

striations

Answer 22

scratch marks cut into rock by glaciers slowly moving over it

Question 23

weathering

Answer 23

the gradual process of breaking down rock into smaller fragments