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Ecosystems And Resources, Part 2
Test Description: Part 2 of the review. How'd you do so far? ;)
Instructions: Answer all questions to get your test result.
1) The sun
A
is important to every foodweb on the planet
B
makes the water cycle possible
C
is a star that is about 4.5 billion years old and 6,000 degrees Celsius
D
all of the above
2) Global warming can be reduced by
A
both of those answers
B
using less fossil fuels which create pollution
C
none these
D
planting more trees
3) The sun is made of
A
Hydrogen and Helium
B
Nitrogen and Oxygen
C
Hydrogen and Oxygen
D
Hydrogen, Helium, and Oxygen
4) The sun's size is equal to
A
1 billion Earths
B
5 Earths
C
100 Earths
D
1 million Earths
5) In the water cycle, when the sun warms up the ocean the water on top
A
collects or runs off
B
condenses
C
precipitates
D
evaporates
6) Evaporated water _______________ in clouds.
A
evaporates
B
runs off
C
condenses
D
precipitates
7) This is a type of fossil fuel
A
coal
B
all of the above
C
oil
D
natural gas
8) Rain water ____________ in lakes, streams, or rivers before reaching the ocean.
A
collects or runs off
B
precipitates
C
evaporates
D
condenses
9) In a food web, the arrows
A
None of the above
B
Show where the energy travels
C
Points to what is eating from what was eaten up
D
Should not point to anything because pointing is rude
10) In a food web, an arrow would point from the sun to
A
Scavengers
B
Producers
C
Consumers
D
Decomposers
*select an answer for all questions
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