Unit E Fresh and Salt water systems

Question 1

Distillation

Answer 1

technique for separating solutions that involves boiling and condensation

Question 2

Hard Water

Answer 2

Water containing a high concentration of calcium and magnesium

Question 3

Reverse osmosis

Answer 3

movement of water through a membrane from an area lower water concentration to one of a higher water concentration

Question 3

Potable Water

Answer 3

water that is safe for humans to drink

Question 4

Salinity

Answer 4

amount of dissolved salts in water

Question 5

Water quality

Answer 5

the measure of the amount of substances in a water sample

Question 6

glaciers

Answer 6

large moving bodies of ice

Question 7

climate

Answer 7

average weather measured over a long period of time

Question 8

continental divide

Answer 8

highest point of land on a continent

Question 9

sediments

Answer 9

eroded rock fragments and soil carried by water or wind

Question 10

stream characteristics

Answer 10

characteristics used to describe a stream or a river

Question 11

tides

Answer 11

daily water changes in the ocean

Question 12

watershed

Answer 12

area of land that drains into one main lake or river

Question 13

waves

Answer 13

in water, the circular movement of water particles causes the change in pattern which means that the waves are along the surface

Question 14

currents

Answer 14

steam of water that moves within a large body of water

Question 15

adaptations

Answer 15

physical characteristics or behavior of a species that increase the species chances of survival in a specific environment

Question 16

diversity

Answer 16

description of a variety of different species in an ecosystem

Question 17

monitor

Answer 17

observe check or keep track of something for a specific purpose

Question 18

population

Answer 18

a group of organisms of the same species that live in a particular area