SOL science prep 6th grade water unit

Question 1

does the amount of water in the Earth ever change?

Answer 1

no

Question 2

______ is the most common substance on Earth.

Answer 2

Water

Question 3

_____% of all water is in the oceans (saltwater)

Answer 3

97%

Question 4

_____% of all water is in the frozen icecaps (freshwater).

Answer 4

2%

Question 5

_____% of all water is located in rivers, lakes, soil, ground and atmosphere (freshwater).

Answer 5

1%

Question 6

What is the only substance on Earth that exists naturally in solid, liquid, and gas form?

Answer 6

water

Question 7

Water freezes at ____ degrees Fahrenheit and ____ degrees Celsius.

Answer 7

32, 0

Question 8

Water boils at _____degrees Fahrenheit and _____degrees Celsius.

Answer 8

212, 200

Question 9

Gas to solid

Answer 9

deposition (removing heat)

Question 10

gas to liquid

Answer 10

condensation (removing heat)

Question 11

liquid to solid

Answer 11

freezing (removing heat)

Question 12

solid to gas

Answer 12

sublimation (add heat)

Question 13

solid to liquid

Answer 13

melting (add heat)

Question 14

liquid to gas

Answer 14

evaporation (add heat)

Question 15

what state of mater does not change shape or volume?

Answer 15

solid

Question 16

what state of mater has molecules that are tightly packed?

Answer 16

solid

Question 17

what state of mater has molecules that move very slowly?

Answer 17

solid

Question 18

what state of mater does not change volume, but does change shape?

Answer 18

liquid

Question 19

what state of mater has molecules that are loosely packed?

Answer 19

liquid

Question 20

what state of mater has molecules that move at a moderate pace?

Answer 20

liquid

Question 21

what state of mater changes shape and volume?

Answer 21

gas

Question 22

what state of mater has molecules that move freely and quickly?

Answer 22

gas

Question 23

when a phase change takes place what 3 things increase of decrease?

Answer 23

thermal energy
molecular
temperature

Question 24

the process by which water moves through the Earth and atmosphere?

Answer 24

the Water Cycle

Question 25

falls in the form of rain, snow, sleet, or hail

Answer 25

precipitation

Question 26

water running over the surface, due to gravity

Answer 26

runoff

Question 27

water evaporating off the surface of plants

Answer 27

transpiration

Question 28

this phase change word is what forms clouds

Answer 28

condensation

Question 29

this amount of water on Earth remains the same

Answer 29

static

Question 30

water that flows back into the ocean

Answer 30

runoff

Question 31

water molecules are attracted to (stick to) other water molecules.

Answer 31

Cohesion

Question 32

the top layer of water molecules are extra cohesive and create a skin-like surface.

Answer 32

Surface Tension

Question 33

Water can stick to other molecules.

Answer 33

Adhesion

Question 34

the land and the water that flows across the land to a common place- Drainage Basin

Answer 34

watershed

Question 35

found at the highest elevations in a watershed

Answer 35

headwaters

Question 36

main river in the watershed

Answer 36

main stem

Question 37

smaller streams that flow into larger streams

Answer 37

tributaries

Question 38

higher ground that separates watersheds

Answer 38

divide

Question 39

area that is susceptible to flooding - usually low-lying

Answer 39

flood plain

Question 40

horseshoe shaped body of water that has detached from a meandering river

Answer 40

Oxbow Lake

Question 41

Sediment deposited where a river flows into an ocean or lake

Answer 41

Delta

Question 42

an area where a freshwater river or stream meets the ocean

Answer 42

Estuary

Question 43

what watershed do we live in?

Answer 43

Chesapeake bay

Question 44

what are the 5 main watersheds in Virginia?

Answer 44

Chesapeake bay Atlantic Ocean North Carolina Sounds Mississippi River The gulf of Mexico

Question 45

non-living

Answer 45

Abiotic

Question 46

the living community and the non-living factors that affect it

Answer 46

Ecosystem

Question 47

living or once living

Answer 47

Biotic

Question 48

area of low land that is soaked with water for at least part of the year (where dry land meets water)

Answer 48

wetland

Question 49

trees & shrubs

Answer 49

Swamps

Question 50

mosses

Answer 50

Bogs

Question 51

grassy areas

Answer 51

Marshes

Question 52

Importantce of wetlands

Answer 52

1. Hapitats 2. Nutrients (food) 3. Natural Water Filters 4. Control Floods 5. Increase Groundwater Levels

Question 53

comes from multiple locations so you can´t trace it back to the original source

Answer 53

Non-point source

Question 54

erosion

Answer 54

Non-point source

Question 55

washing car

Answer 55

Non-point source

Question 56

oil/fluid leaks

Answer 56

Non-point source

Question 57

pesticides

Answer 57

Non-point source

Question 58

fertilizer

Answer 58

Non-point source

Question 59

animal waste

Answer 59

Non-point source

Question 60

litter/trash

Answer 60

Non-point source

Question 61

you can point to where the pollution is coming from

Answer 61

Point source

Question 62

factory

Answer 62

Point source

Question 63

leaking septic tank

Answer 63

Point source

Question 64

broken sewage pipe

Answer 64

Point source

Question 65

what are some properties of water that scientists monitor in watersheds?

Answer 65

water temperature dissolved oxygen turbidity pH nitrates addict phosphates salinity macro-invertebrates

Question 66

snake-like bends in a river

Answer 66

Meander