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Earth Science 2Q, 1 - 10
Test Description: Earth Science, 2nd Quarter, 1 - 10
Instructions: Answer all questions to get your test result.
1) Graphs make it easier to understand data by making it:
A
disappear
B
visual
C
something we taste
D
something we hear
2) The visible lines on a map or graph that extend left to right are called:
A
longitutde
B
wrinkles
C
diagonal
D
latitude
3) The visible lines that extend up and down on a globe or map are called:
A
diagonal
B
invisible
C
longitude
D
latitude
4) Which of the following is the correct latitude of the North Pole?
A
90N
B
100N
C
180N
D
45N
5) A bone sample contains only 1/4 of its original radioactive C14 content. The half-life of C14 is 5700 years. What is the age of the bone sample?
A
17,100 years old
B
5,700 years old
C
11,400 years old
D
2,850 years old
6) Which of these correctly shows Earth's atmospheric composition?
A
21% carbon dioxide, 78% oxygen, and 1% other
B
21% nitrogen, 78% oxygen, and 1% other
C
21% oxygen, 78% hydrogen, and 1% other
D
21% oxygen, 78% nitrogen, and 1% other
7) Animal life became possible on Earth after -
A
the dinosaurs became extinct
B
the sun warmed the planet up
C
plants moved from the sea to the land
D
oxygen was generated through photosynthesis
8) Where did the oxygen in Earth's atmosphere come from?
A
meteors
B
it was in the atmosphere since Earth first formed
C
volcanic outgassing
D
photosynthesis of plants
9) Human activities (transportation, factories, etc.) are responsible for the INCREASE of which of these gasses?
A
hydrogen
B
oxygen
C
carbon dioxide
D
ozone
10) The use of certain aerosols and refrigerants have caused a DECREASE in which of these gasses (this gas protects us from harmful UV radiation)?
A
nitrogen
B
water vapor
C
carbon dioxide
D
ozone
*select an answer for all questions
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