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Environmental Science Fall 17 Flashcards | StudBud
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Environmental Science Fall 17
Environmental Science Fall 17
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StudBud Administration
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Env. Sci. Unit Review
Flashcards
24 cards
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Practice quiz
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Host live
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Questions
24
Answers
1
Plants control erosion by:
providing homes for animals
holding the soil in place with their roots
absorbing much of the extra water
slowing down wind and water, horizontally and vertically
2
One strength of the greenhouse effect model (glass beaker and thermometers) was that:
was very accurate
we could see the carbon dioxide
it was simple
all of the above
3
an example of weather is
long, hot dry summers
what you expect, not what you get
55* on July 4th in Chelan
cool rainy winters
4
Which of the following is an example of climate?
a massive flood
a record breaking fire season
a record hot day
cold, snowy winters
5
How do we know humans are the main cause of rapid climate change?
there was a lot of extreme weather in the past few years
scientists don't agree on the cause
there is a lot of trash in the ocean
world ave. temp has mirrored CO2 levels; at record levels
6
What is one way climate change is predicted to affect Chelan?
more storms, more often
hotter, drier summers and winters
more snow in winter
better conditions for growing apples
7
If the data supports the hypothesis, this means that it was 100% correct.
True
False
8
a measure of the cloudiness of water
watershed
turbidity
sediment
population
9
A notable decrease in a population of animals means that it has probably:
experienced climate change
been over-hunted by people or predators
gone past its carrying capacity
been accidentally poisoned
10
Sediment in water has what effect?
kills most aquatic life
makes water warmer
increases pH
makes water colder
11
Algal blooms cause "dead zones" by:
decomposers use up all oxygen to consume plants and algae
poisoning living things
making plant and algae populations explode
making it harder to swim
12
A variable kept the same throughout the experiment so it doesn't affect the results is a:
manipulated (independent) variable
experimental control
responding (dependent) variable
controlled variable
13
The greenhouse effect is good for life on Earth
true
false
14
The river in the image carrying a lot of:
sediment
plastic
turbidity
run-off
15
The greenhouse effect is caused by:
glaciers reflecting light back into space
pollution from vehicles and factories
certain gases in the atmosphere trapping solar energy
the ozone layer
16
ph 7 is:
Neither acidic or basic
Acidic
Basic (alkaline)
17
The purpose of an experimental control is:
prevent any variables from affect your results
Prove your hypothesis was correct
all of the above
Ensure you can trust your experimental results
18
Which of the following is NOT an example of a bioindicator?
difference in water flea pop. above/ below Beebe bridge
an increase in duck population on Wapato Lake over 25 years
pH of lake Chelan
decrease in mountain lion population in North Cascades NP
19
water that flows off of land into other bodies of water is called?
turbidity
Ph
run off
erosion
20
the responding variable in greenhouse effect model demonstration was:
the thermometer
air temperature
water
the glass jar
21
Whose responsibility is it to slow down climate change?
government
organizations
ours
All of the above
22
Which is NOT true about phosphates?
they can cause algal blooms
make water acidic
are found in fertilizer
are found in laundry soap
23
Which of the following is the best title for the graph in the image?
Line graph
Trips to the Zoo January - June
Trips to the Zoo
3 People's Trips to the Zoo
24
In an experiment, what do you call the thing you change to see how it affects something else?
controlled variable
manipulated (independent) variable
responding variable
hypothesis
