Science Unit E

Question 1

What are Waves?

Answer 1

Waves are changes in patterns that move along the water’s surface

Question 2

How do waves affect the shoreline?

Answer 2

The waves crash on the shoreline and damage the shoreline

Question 3

What are tides?

Answer 3

The change in the level

Question 4

What is the main cause of tides?

Answer 4

The cause of tides is the Gravitational Force of the Moon

Question 5

What is Climate?

Answer 5

The average of weather measured over a long period of time

Question 6

What are currents? and how are they caused?

Answer 6

Streams of water that move within a larger body of water
Caused by:
- Wind
- Temp diff in water'
- Salinity diff in water
- Earth's rotation

Question 7

What is diversity?

Answer 7

An ecosystem refers to the variety of diff kinds of species living their

Question 8

Intertidal Zone

Answer 8

Animals and plants that live along the shoreline of the ocean have to be able to withstand the pounding of waves

Question 9

Estuary

Answer 9

One of the most diverse and richest ecosystem

Question 10

Continental shelf

Answer 10

A shelf of land that extends out from the edge of a continent below the oceans

Question 11

What is a watershed?

Answer 11

All the area of land that drains into one main lake or river

Question 12

What are Stream Characteristics?

Answer 12

includes the rate of water flow and the slope of the stream’s bed

Question 13

What is a continental divide?

Answer 13

A high land such as mountains or hills

Question 14

What are drumlins?

Answer 14

Small hills with a distinctive teardrop shape

Question 15

What are Eskers?

Answer 15

form when part of the glaciers melt

Question 16

What are glaciers?

Answer 16

Large bodies of ice. covers vast areas of lands are called icecaps

Question 17

Mid-Ocean Ridges

Answer 17

from where molten rocks push up from the interior of the earth

Question 18

Seamounts

Answer 18

underwater volcanoes

Question 19

Trenches

Answer 19

from where 2 plates are moving toward eachother

Question 20

Volcanic Islands

Answer 20

Formed by volcanoes that grow all the way up

Question 21

Continental shelves

Answer 21

a shallow area around the edges of the continents

Question 22

What is erosion

Answer 22

caused because of chemical weathering

Question 23

What is erosion

Answer 23

caused because of chemical weathering

Question 24

sediments

Answer 24

transporting rock fragments and soil

Question 25

Salinity

Answer 25

The amounts of salt dissolved in water

Question 26

Distilation

Answer 26

the solution is boiled so that the water evaporates and leaves the salt

Question 27

reverse osmosis

Answer 27

operates by forcing salt water through a filter or a membrane with holes to small for the salt to pass

Question 28

water in the atmosphere

Answer 28

0.0009%

Question 29

Freshwater

Answer 29

3%

Question 30

saltwater

Answer 30

97%

Question 31

ice

Answer 31

77%

Question 32

groundwater

Answer 32

22%

Question 33

lakes, rivers and wetlands

Answer 33

1%

Question 34

Adaption

Answer 34

physical characteristic or behavior of species

Question 35

Population

Answer 35

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

Question 36

Agriculture

Answer 36

73% of agriculture is used

Question 37

Power stations

Answer 37

sometimes discharge warm water into lakes or rivers that can kill some animals and encourage excessively plant growth

Question 38

Factories

Answer 38

might add dangerous chemicals to the water or practice thermal pollution, killing aquatic plants or animals

Question 39

Runoff

Answer 39

from farmland contains fertilizers that can cause excessive plant growth.

Question 40

Run - off

Answer 40

from city streets contains large amounts of oil and other chemicals, including salt.

Question 41

Habitat Destruction

Answer 41

takes away the places that animals can live and plants can grow.

Question 42

sewage

Answer 42

contains large amounts of nitrogen, which causes the number of micro-organisms to increase. If these micro-organisms use up the oxygen, fish will suffocate.

Question 42

sewage

Answer 42

contains large amounts of nitrogen, which causes the number of micro-organisms to increase. If these micro-organisms use up the oxygen, fish will suffocate.

Question 43

Oil Spills

Answer 43

from ships can harm animals in, on, and near the water

Question 44

Monitor

Answer 44

Means to observe something for a purpose