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Water Cycle, Carbon Cycle, Nitrogen Cycle Flashcards | StudBud
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Water Cycle, Carbon Cycle, Nitrogen Cycle
Water Cycle, Carbon Cycle, Nitrogen Cycle
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Earth science Water cycle
Flashcards
30 cards
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Practice quiz
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Host live
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Questions
30
Answers
1
Which cycle does this diagram show?
The unicycle
The nitrogen cycle
The carbon cycle
The water cycle
2
What causes disrupion to earth cycles?
Human activity
Animal activity
Plant activity
Planetary activity
3
Nonliving substances move through the environment in a series of steps called –
A cycle
A pyramid
A food chain
Biomass
4
True or false: Trees need carbon for photosynthesis
False
True
5
Which process is responsible for returning nitrogen to the air?
Excretion
Nitrification
Photosynthesis
Decomposition
6
What is another name for the water cycle?
The hydrologic cycle
Hydrogen cycle
The hydrosphere
Helium cycle
7
What is this photo an example of
Evaporation
Runoff
Precipitation
Infiltration
8
Why is the nitrogen cycle important?
Cows need it to make milk
It decomposes waste materials
It's a major component of Earth's air
It releases nitrates into the soil for plants
9
Which is an example of runoff?
A hurricane
A waterfall
Water vapor
Well water
10
What is precipitation?
Evaporated puddles
Condensation
a form a water that falls from clouds
water vapor
11
True or false: the water we drink today is newly created water molecules
False
true
12
What happens when there are too many nitrates in the hydrosphere?
Nothing
Fish thrive
Algae bloom
Nitrates convert to oxygen
13
Where does the energy in the water cycle come from?
The earth
The atmosphere
The sun
The geosphere
14
What is the main source of carbon in the atmosphere?
Animal & plant respiration
The ocean
Trees
Algae
15
Identify what is occurring at number 4
Runoff
Condensation
Evaporation
Precipitation
16
How can you slow down global warming?
Recycle
Use less hot water
Buy locally grown/produced foods
Plant more trees
17
How does carbon enter the geosphere?
Decomposition
runoff
Condensation
Precipitation
18
Which is NOT a form of precipitation
Hail
cold air
Snow
Rain
19
True or false: fossil fuels are made of carbon?
True
False
20
What percent of the Hydrosphere is fresh water?
3
75
10
12
21
Why is disruption of the earth cycles a concern?
it is not a problem
It damages places to live
It changes the rotation of the earth
It damages the ozone layer
22
True or false: oxygen is the most abundant gas in the atmosphere
False
True
23
Nitrogen must be converted to what chemical to start the cycle?
Ammonia
Oxygen
Sulfur
Carbon
24
One way plants and animals are alike is that they both –
Use CO2 for photosynthesis
Use O2 for respiration
Move
Make food
25
Where does water vapor condense in the atmosphere?
In puddles
In runoff
In the clouds
In the sun
26
The loss of which of these would have the least effect on the water cycle?
Soil
Plants
Rivers
Bacteria
27
Which does not add carbon to the atmosphere?
Decaying animals
Burning fossil fuels
Plant respiration
Human respiration
28
The nitrogen cycle relies on _____ to make it work
Animals
Bacteria
Humans
Plants
29
What is happening at 1
Precipitation
Condensation
Evaporation
Insolation
30
Which cycle is shown in the diagram?
The earth cycle
The nitrogen cycle
The water cycle
The carbon cycle
