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Hydrosphere
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Hydrospere: Earth Science Unit on Water
Flashcards
41 cards
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Practice quiz
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Questions
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Answers
1
What else is needed in the atmosphere for clouds to form (we used a match to provide this)?
Blueness
Dust
Sunlight
Rivers
2
The main use of water in the U.S. is
Use in farming and agriculture
In generating electricity
Mining
Everyday use by people
3
Where is most fresh water stored?
At the poles
In the oceans
At the equator
In lakes
4
What elements make up a water molecule?
hydrogen and oxygen
hydrogen and carbon
silicon and oxygen
water
5
The water gas in the air condensed on the bathroom mirror because
That's just life
The mirror was colder than the air
It wanted to
The mirror was warmer than the air
6
At 100 degrees Celsius
Water evaporates
Water boils
7
As water gas rises in the atmosphere, what causes it to condense into clouds?
It cools as it rises higher
It warms as it rises higher
8
At 0 degrees Celsius
Water boils
Water freezes
Alcohol freezes
Water condenses
9
What causes water to evaporate from lakes, rivers, and the ocean?
Energy from inside Earth
Energy from Sunlight
It just does
Precipitation
10
When a water is boiling, what would you find inside of the bubbles coming up from the liquid?
Nitrogen gas
Air
Liquid water
Water gas
11
Why it called a water cycle?
There is always more precipitation than evaporation
Water leaves Earth regularly
The amount of water does not change it just changes state
It sounds cool to call it that
12
Besides rivers, lakes, and the ocean, where else does water evaporate from?
animals bodies
The leaves of plants
clouds
minerals
13
Where is most freshwater stored on Earth?
In the clouds
In lakes and ponds
In ice
In rivers and streams
14
The water that got onto my mirror this morning got there by
Water from the shower precipitated onto the mirror.
Condensing from the shower then evaporating onto the mirror
Evaporating from the shower then condensing on the mirror
The mirror sweats
15
The water molecule is affectionately known as the
The Goofy Molecule
The Mickey Mouse Molecule
The Mikey Mouse Molecule
The Minnie Mouse Molecule
16
What state of matter are atoms able to slide past each other while still being attracted?
Gas
Liquid
Solid
17
Where does most of the water that fills streams and rivers come from?
From plants
Water falling to Earth near mountain ranges
From groundwater
Ocean water flowing uphill.
18
What causes precipitation to runoff into streams and rivers?
Gravity causes it to flow uphill
Gravity causes it to flow downhill
19
When a liquid becomes gas it is..
Melting
Freezing
Evaporating
Condensing
20
True or False. Most of the Earth's water is salt water.
False
True
21
How do rivers form?
Ice from glaciers melts and flows downhill
Precipitation near mountains flows downhill.
Water comes up from the ground.
Water from the Ocean flows into land.
22
To get a gas to turn into a liquid you would...
Press it together
Heat it up
Cool it down
23
Which of the following is not a common name for water in its gas form?
condensation
steam
water vapor
24
What state of matter are atoms moving the fastest in?
Solid
Liquid
Gas
25
True or False. We can see water when it is a gas?
False
True
Sometimes
26
Water that condenses on the outside of a cold glass comes from
Water inside glass going through the glass to the outside.
Water gas from around the cup evaporating
Water inside of the glass evaporating
Water gas from around the cup condensing
27
What state of matter are atoms least attracted to each other, spreading through a container?
Solid
Gas
Liquid
28
What is NOT a solid form of precipitation?
Snow
Hail
Rain
Sleet
29
How do countries that don't have sources of fresh water desalinate water?
They sift the salt out of ocean water
They boil salt water and condense the water gas
They use electricity to separate water and salt
They drink salt water
30
To get a solid to melt into a liquid you would...
Jump on it
Heat it up
Cool it down
31
What is a small stream or river that leads into a larger river called?
A tribute
A feeder river
A tributary
Precipitation
32
What state of matter are atoms vibrating in place?
Gas
Solid
Liquid
33
How do humans capture fresh groundwater?
groundwater precipitates
you cannot collect groundwater
humans dig wells into the ground
groundwater comes to the surface as dew
34
The solid form of water is commonly called
water vapor
water
ice
steam
35
What shape best describes the shape of a raindrop as it falls?
D
A
C
B
36
A cloud is best describes as
A hole in the blue sky
A solid piece of ice
A collection of tiny water droplets or ice crystals
A ball of gas in the sky that we can see
37
When metals like iron cool from a liquid to a solid we usually say that they
condense
melt
boil
solidify
38
Dew forms from
Water gas in the air condensing on the cold grass
Liquid water precipitating from low clouds
Water gas in the air condensing on the warm grass
Liquid water come up from the grass
39
This unit was called "Hydrosphere" because the prefix "hydro" means
Water
Minerals
Evaporation
Air
40
What keeps the tiny droplets of a cloud suspending in the sky?
Water pushes down on the water droplets
Air pushes up on the water droplets
Gravity doesn't work on a cloud
41
When a gas cools and turns into a liquid it is
freezing
melting
boiling
condensing
