Water Cycle
4 spheres
Nitrogen Cycle
Vocabulary
Energy in Ecosystems
100
What process involves water vapor cooling and turning back into liquid water?
condensation
100
Which sphere contains all the water on Earth?
Hydrosphere
100
Can most organisms use nitrogen gas directly from the atmosphere?
NO
100
What is an organism that creates its own food using photosynthesis called?
producers
100
Where does all energy come from
the sun
200
What is the process called when water moves from the ground to the atmosphere due to sunlight heating water?
evaporation
200
What sphere includes the air we breathe?
Atmosphere
200
How do animals get nitrogen that is stored in soil.
They must consume plants or animals that have stored nitrogen.
200
What is the process by which plants make their own food?
photosynthesis
200
What is the term for organisms that break down dead matter?
decomposer
300
What is it called when plants release water vapor into the air?
transpiration
300
What two spheres are interacting in this scenario: Wind carrying seeds to a new location.
Atmosphere and Biosphere
300
What "fixes" nitrogen in the atmosphere?
Lightning
300
What is the main gas that plants need for photosynthesis?
carbon dioxide
300
an organism that cannot make its own food is called a...
Consumer
400
What is precipitation? Give two examples.
What is any form of water that falls from clouds: Snow, rain, sleet, hail
400
What two spheres are interacting in this scenario: Ocean waves crashing into rocks along the shore.
Hydrosphere and geosphere
400
What percentage of our atmosphere is made of nitrogen?
78%
400
What gas do we breathe in?
Oxygen
400
Based on this food chain, what does the chameleon eat/receive its energy from?
caterpillar
500
excess water that flows over Earth's surfaces from a storm or flood is called....
runoff
500
How does the biosphere interact with the geosphere?
answers may vary.
500
Why is the nitrogen cycle important for ecosystems?
It is important to create DNA and proteins.
500
the overlapping food chains in an ecosystem is called...
a food web
500
Look at the food web: What do beavers eat?
Cottonwood & Willow