Transcript cools

Cycles Review
When water turns in to water
vapor while in the heat of the
sun, this is called…
A. Condensation
B. Evaporation
What is required to turn water
vapor into water?
A. Warmer Temperatures
B. Cooler Temperatures
C. Clouds
When plants lose water through
tiny holes in their leaves, this is
called…
A. Respiration
B. Evaporation
C. Transpiration
What is the name of the process
in which bacteria and fungi
break down a dead organism?
A. Decomposition
B. Decay
C. Waste
In the nitrogen cycle, bacteria
help change nitrogen gas into
what substance so that plants
can use it?
A. Nitrates
B. Nitrogen
C. Gas
What is the name of the process
in which water vapor is cooled
and changed to liquid water?
A. Precipitation
B. Evaporation
C. Condensation
What is the name of the tiny
openings in plants through
which water is released to the
atmosphere?
A. Pores
B. Stomata
C. Roots
What gives a plant its energy to
grow?
A. Water
B. Soil
C. Sun
What gas does a plant return to
the atmosphere?
A. Oxygen
B. Carbon Dioxide
C. Nitrogen
What gas do animals exhale?
A. Nitrogen
B. Oxygen
C. Carbon Dioxide
What converts animal waste
into nitrogen?
A.
B.
C.
D.
Bacteria
Decomposers
Both A&B
None of the above
How do animals get most of the
nitrogen they need to live?
A. By eating plants
B. By going to the bathroom
C. By breathing the Nitrogen in the air
What causes water to
evaporate?
A. Weather
B. Heat
C. Condensation
How much of the Earth’s
atmosphere is Nitrogen?
A. 78%
B. 21%
C. 50%
What happens to nitrogen gas
in the atmosphere before it can
be used?
A. It has to be used up
B. It has to be fixed or changed
C. It has to be decomposed
How much oxygen is in the
earth’s atmosphere?
A. 78%
B. 50%
C. 21%
When water vapor cools and
condenses in the air what is
formed?
A. Rain
B. Clouds
C. Snow
What do plants make from the
nitrates in the soil?
A. proteins
B. bacteria
C. dirt
What do solid wastes return to
the soil?
A. oxygen
B. nitrates
C. heat
What do liquid wastes return to
the soil?
A. Nitrates
B. Ammonia
C. Oxygen
Water vapor changes to liquid
during which stage of the water
cycle?
A. Precipitation
B. Condensation
C. Evaporation
Water is moved from the
atmosphere to the Earth’s
surface during what stage of the
water cycle?
A. Precipitation
B. Evaporation
C. Condensation
What two substances are
returned to the soil in animal
waste?
A. Carbon and Oxygen
B. Decay and Waste
C. Nitrates and Ammonia
What do plants make proteins
from?
A. Water on the leaves
B. Heat from the sun
C. Nitrates in the soil
What are fossil fuels made
from?
A. Decayed Organisms
B. Rocks in the dirt
C. Waste from animals
What does burning fossil fuels
in cars and factories do to our
atmosphere?
A. Lessons the amount of carbon dioxide
B. Adds more oxygen to the air
C. Adds too much carbon dioxide
When water droplets in the
atmosphere become too heavy
to stay in clouds, what stage of
the water cycle occurs?
A. Evaporation
B. Condensation
C. Precipitation
What stage comes before
condensation in the water cycle?
A. Evaporation
B. Precipitation
C. Transfiguration
How do chemicals and pesticides
get into our groundwater
supplies?
A. Bug’s wastes
B. Through rain
C. Decay
What 2 things “fix” the nitrogen in
the nitrogen cycle?
A. Rain
B. Lightning and nitrogen fixing bacteria
C. Burning fossil fuels
What is ammonia a usable form
of?
A. Oxygen
B. Nitrogen
C. Carbon Dioxide
Where does most (85%) of the
carbon dioxide in our atmosphere
come from?
A. Fossil Fuels
B. Carbon factories
C. Plants
What is one way that the balance
of carbon in the air is being set
off balance?
A. Too many plants
B. Burning of fossil fuels
C. Not enough plants
What cycle do plants use carbon
dioxide from the atmosphere?
A. Photosynthesis
B. Carbon/Oxygen Cycle
C. Water Cycle
How does a forest fire affect the
amount of carbon in the air?
A. It kills trees
B. It increases the carbon dioxide
C. It decreases the carbon dioxide
Carbon is stored on Earth in what
materials?
A. Rocks
B. Plants
C. Rocks and Fossil Fuels
What gas do animals release
during respiration?
A. Nitrogen
B. Oxygen
C. Carbon Dioxide
What percent of the air is carbon
dioxide?
A. 21%
B. 78%
C. Less than 1%
Plants use carbon dioxide and
release oxygen during what
process?
A. Condensation
B. Respiration
C. Photosynthesis
How do animals get most of the
nitrogen they need to live?
A. By eating plants and plant eating
animals.
B. By eating dead organisms
C. By letting lightning strike them.
Which cycle moves H20 through
the environment?
A. Carbon/Oxygen Cycle
B. Nitrogen Cycle
C. Water Cycle
Which cycle changes a gas into a
usable form for plants to use?
A. Carbon/Oxygen Cycle
B. Nitrogen Cycle
C. Water Cycle
Which cycle uses plants to turn a
gas in the air into a gas that
animals can use?
A. Carbon/Oxygen Cycle
B. Nitrogen Cycle
C. Water Cycle
What are fossil fuels made from?
A. Rocks
B. Decayed organisms
C. Bacteria
Plants and animals use oxygen
and release carbon dioxide
during what process?
A. Transfiguration
B. Respiration
C. Photosynthesis
Plants return water to the
environment through what
process?
A. Stomata
B. Evaporation
C. Transpiration