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Science 7th Grade Test
Test Description: 2.22.16
Instructions: Answer all questions to get your test result.
1) Ways to reduce global warming:
A
not using a hair dryer as the heat intensifies global warming
B
leaving refrigerator doors open to aid in cooling
C
reduce, reuse, recycle
D
driving faster
2) Too many ___ gases are being released into the atmosphere
A
nitrogen
B
false
C
greenhouse
D
oxygen
3) Plants absorb ___
A
helium
B
oxygen
C
carbon dioxide
D
nitrogen
4) Melting of the polar ice caps leads to --
A
increased availability of drinking water
B
severe storms
C
the earth's shape being transformed
D
there are no effects on the earth
5) Melting of polar caps also leads to -
A
flooding
B
transformation of the earth's crust
C
global warming
D
increased food supply for animals
6) Too much carbon dioxide mixing in the oceans causes -
A
reefs die
B
fish scales turn colors
C
reefs grow larger
D
fish live longer
7) measures how alkaline or acidic something is
A
thermometer
B
pH scale
C
these things cannot be measured
D
barometer
8) A measurement of 7
A
is neutral
B
is highly acidic
C
is impossible because the scale ranges from 10 to 20
D
is alkaline
9) A measurement of above 7 is
A
is alkaline
B
is neutral
C
is highly acidic
D
is impossible because the scale ranges from 10 to 20
10) A measurement of below 7 is
A
is impossible because the scale ranges from 10 to 20
B
is neutral
C
is acidic
D
is basic
11) H2 is the symbol for:
A
dihelium
B
hydrogen
C
helium
D
hotter than the boiling point
*select an answer for all questions
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