Earth’s Mayor Systems Lessons 3 and 4

Question 1

3% Earth’s Water is freshwater which is mostly

Answer 1

Frozen

Question 2

______________ provides freshwater for homes, farms, and businesses

Answer 2

Running water

Question 3

______________ is an artificial lake that stores water

Answer 3

Reservoir

Question 4

70% of the Earth’s surface is ______ water

Answer 4

Salty

Question 5

Name the two most abundant minerals in the ocean water A. _______ and B. ________

Answer 5

A. Sodium
B. Chloride

Question 6

______________ is the largest percentage of dissolved materials in the ocean water

Answer 6

Salt or Sodium chloride

Question 7

__________ is a measure of how salty water is

Answer 7

Salinity

Question 8

Fast running water ecosystems have more ________ than slower running water

Answer 8

Oxygen

Question 9

____________ is an ecosystems that is wet during some or all of the year

Answer 9

Wetland

Question 10

Wetlands include: A. _______ B. ________ C._______

Answer 10

A. Marshes
B. Bogs
C. Swamps

Question 11

Estuaries change with the _____

Answer 11

Tide

Question 12

_________ is the constant movement of ocean water

Answer 12

Current

Question 13

__________ is a powerful cause of erosion

Answer 13

Gravity

Question 14

Fast-moving rivers can wash away soil and rocks, depositing them Into a lake and ocean. The built up sediment can form a landform called a _________

Answer 14

Delta

Question 15

___________ where land and a body of water meet

Answer 15

Shoreline

Question 16

___________ any area of shoreline made of materials deposited by waves

Answer 16

Beach

Question 17

__________ cause rocks to hit off of other rocks and move sand and rock pieces to other locations, such as forming beaches, sandbars and barrier islands

Answer 17

Waves

Question 18

The ______ is the energy source for the Water Cycle

Answer 18

Sun

Question 19

Water cycle step 1
_________ or changes from a liquid to a gas in the form of ______.

Answer 19

Water evaporates

Water vapor

Question 20

_______ is when water evaporates from leaves of plants

Answer 20

Transpiration

Question 21

2nd step water cycle

Water vapor cools in the process of _____

Answer 21

Condensation

Question 22

2nd step water cycle

__________ form which is condensed water vapor in the atmosphere

Answer 22

Clouds

Question 23

3rd step of water cycle

__________ occurs as water falls from the clouds

Answer 23

Precipitation

Question 24

___________ precipitation that flows across the land’s surface or falls into rivers and streams

Answer 24

Runoff

Question 25

__________ is a region that contributes water to a river or river system

Answer 25

Watershed

Question 26

_________ is the condition of the atmosphere at a given time and place

Answer 26

Weather

Question 27

________ is the force of it pushing on an area

Answer 27

Air pressure

Question 28

__________ is a measure of the amount of water vapor in the air

Answer 28

Humidity

Question 29

________ is the height above Earth’s surface and is measured from sea level

Answer 29

Altitude

Question 30

___________ is a slow process that breaks down rocks into smaller pieces

Answer 30

Weathering

Question 31

_________ air masses from over the northern polar region

Answer 31

Cold, dry

Question 32

_________ air masses from over the northern polar waters

Answer 32

Cold, moist

Question 33

__________ air masses form over tropical land

Answer 33

Warm, dry

Question 34

_________ air masses from over tropical waters

Answer 34

Warm, moist

Question 35

_______ front brings light steady rain

Answer 35

Warm

Question 36

______ front brings stormy weather

Answer 36

Cold

Question 37

__________ fronts cause rainy weather to last for days

Answer 37

Stationary