Water Cycle
Cycle in which plants turn the gas in air into oxygen for animals and people to breathe.
What is the CARBON-OXYGEN CYCLE.
True or false: plants absorb nitrates in the soil which helps them grow.
What is TRUE.
When is our test?
What is TOMORROW!!
ANIMALS release __________ as a product of respiration (HINT: the air we breathe out)
What is CARBON DIOXIDE.
___________ (HINT: electricity in the sky) and bacteria fixes, or changes, nitrogen gas into usable forms for plants.
What is LIGHTNING.
How can we decrease the amount of excess carbon dioxide we put into the air?
What is CARPOOL, WALK, RIDE A BIKE.
Snow, Rain, and Hail are all of examples of which part of the water cycle?
What is PRECIPITATION.
PLANTS release __________ into the atmosphere as a product of photosynthesis (HINT: the air we breathe in).
What is OXYGEN.
What returns to the soil in animal waste? (HINT: this compound is very strong in cat urine).
What is AMMONIA.
What is the element called that is buried deep in our Earth, and is used to generate electricity (HINT: black rock)?
Where does runoff water go?
What is TO LAKES, RIVERS, STREAMS, OCEANS, ETC.
True or false: We breathe IN carbon dioxide, and OUT oxygen.
What is FALSE.
True or false: ammonia, an important compound in the nitrogen cycle, is extremely toxic by itself.
What is TRUE.
What is WATER.
How can we replace oxygen in the air?
What is PLANT TREES.
Cold air causes water vapor to CONDENSE and form what in the sky?
What is CLOUDS.
What is an example of something that produces carbon dioxide besides animals and people?
What is BURNING FOSSIL FUELS. (cars, factories)
True or false: we breathe in nitrogen.
What is FALSE.
There are 4 steps in the water cycle. These are: evaporation, condensation, precipitation, and ___________.
What is RUNOFF/COLLECTION.