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