7. Matter

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Grades 6-8 Matter
Grades 6-8 Matter
Grades 6-8 Matter
Grades 6-8 Matter
1. Which of these is an
important characteristic of a
refrigerant?
3. Which of these human
activities has a big effect on the
carbon cycle?
5. Plants are 45% carbon.
Where does the carbon come
from?
A. a high heat of vaporization
B. a high boiling point
C. very high density
A. burning fossil fuels
B. damming rivers
C. ocean fishing
A. the air
B. the water
C. the soil
7. No Till farming uses
herbicides to kill weeds instead
of tilling or plowing the soil.
What is a benefit of this
practice?
Grades 9-12 Matter
Grades 9-12 Matter
Grades 9-12 Matter
1. Which carbon compound is
the main component of shells
of birds, mollusks and corals?
3. Who predicts the properties
of compounds from the
properties of their atoms?
5. What component of the
periodic table tells you how
many electron shells or levels
an atom has?
A. CaCO3
B. CO2
C. CH4
A. physical chemists
B. materials scientists
C. biochemists
CORRECT: A, A
CORRECT: A, A
A. rows
B. columns
C. atomic numbers
A. reduced soil erosion
B. development of herbicide
resistance in weeds
C. killing nearby native plants
Grades 9-12 Matter
7. Which of these are heavy
metals?
A. lead, mercury, chromium
B. oxygen, nitrogen, carbon
C. helium, argon, krypton
CORRECT: A. A
CORRECT: A, A
Grades 6-8 Matter
Grades 6-8 Matter
Grades 6-8 Matter
Grades 6-8 Matter
2. Which mineral is common in
granite and sand?
4. Which of these human
activities has little effect on the
water cycle?
6. What characteristice of a
carbon atom makes it so
important in molecules of living
organisms?
A. silicon dioxide
B. calcium carbonate
C. calcium apatite
A. ocean fishing
B. damming rivers
C. pumping out ground water
Grades 9-12 Matter
A. it can form 4 bonds
B. its bonds are hard to break
C. it can form 3 bonds
Grades 9-12 Matter
2. Who works to ensure the
materials in buildings and
bridges can withstand gravity,
wind or earthquakes?
A. structural engineers
B. physical chemists
C. materials scientists
Grades 9-12 Matter
4. Which element is a byproduct of burning coal that
affects neurological
development in fetuses?
A. mercury
B. lead
C. arsenic
CORRECT: A, A
6. Which nitrogen compound is
a fertilizer?
A. NH3
B. N20
C. NO
CORRECT: A, A
CORRECT: A, A
8. Which of these is a good
conductor of electricity?
A. metals
B. glass
C. plastic
Grades 9-12 Matter
8. What is happening to the pH
of the ocean?
A. it is going down
B. it is going up
C. it is staying the same
CORRECT: A, A
Grades 6-8 Matter
Grades 6-8 Matter
Grades 6-8 Matter
Grades 6-8 Matter
9. What wavelengths do the
bonds in a carbon dioxide
molecule absorb and then
emit?
11. What is the chemical
formula for ammonia?
13. What kind of solution can
dissolve shells, corals and
limestone over time?
15. Which of these human
activities has a big effect on the
water cycle?
A. a salty solution
B. an acidic solution
C. a basic solution
A. off shore drilling
B. burning fossil fuels
C. ocean fishing
Grades 9-12 Matter
Grades 9-12 Matter
13. Who studies chemical
processes in living organisms?
15. Where do heavy metals
come from?
A. physical chemists
B. biochemists
C. structural engineers
A. they occur naturally in
meteorites
B. they occur naturally in the
earth's crust
C. they are created in labs
A. infrared
B. ultraviolet
C. visible
Grades 9-12 Matter
9. What is causing the change
in the pH of the ocean?
A. NH3
B. NO3
C. NO2
Grades 9-12 Matter
11. What is a benefit of
scrubbing CO2 out of the
exhaust of coal-fired power
plants and sequestering it
somewhere?
A. increasing atmospheric CO2
dissolving into oceans
B. ammonia runoff from
agricultural fertilizers
C. acid runoff from mining
A. it keeps CO2 out of the
atmosphere
B. it uses 30% more energy
C. it is more expensive
CORRECT: A, A
CORRECT: A, A
Grades 6-8 Matter
Grades 6-8 Matter
Grades 6-8 Matter
Grades 6-8 Matter
10. Who designs and manages
systems for making chemicals
in large amounts?
12. Which of these elements is
the most common in the
atmosphere?
14. How do refrigerant
chemicals absorb heat?
16. What is the most common
element (by mass) in the
earth's crust?
A. chemical engineers
B. analytical chemists
C. oil response specialists
A. nitrogen
B. oxygen
C. argon
Grades 9-12 Matter
Grades 9-12 Matter
10. What term describes the
process leading to dead zones
through the addition of limiting
nutrients like nitrogen and
phosphorus?
12. Which carbon compound is
the product of photosynthesis?
CORRECT: B, B
CORRECT: B, B
A. nutrient enrichment
B. acidification
C. squestration
CORRECT: A, A
A. CH4
B. C6H12O6
C. CO2
CORRECT: A, B
A. by changing from a solid to
a liquid
B. by changing from a liquid to
a gas
C. by changing from a gas to a
liquid
Grades 9-12 Matter
14. Which element, in
hexavalent form, can cause
cancer?
A. arsenic
B. chromium
C. lead
A. aluminum
B. oxygen
C. silicon
Grades 9-12 Matter
16. The U.S. produces $2,300 of
gross domestic product per ton
of CO2 released. The European
Union produces $3,700 per ton
of CO2 released. How much
more value does the EU get per
ton of CO2 than the U.S.?
A. 100%
B. 60%
C. 40%
CORRECT: B, B
CORRECT: B, B
Grades 6-8 Matter
Grades 6-8 Matter
Grades 6-8 Matter
Grades 6-8 Matter
17. No Till farming uses
herbicides to kill weeds instead
of plowing the soil. What is a
drawback of this practice?
19. Humans are 18% carbon.
Where does the carbon come
from?
21. Who figures out how to
make materials that are safer,
cheaper and more effective for
people to use?
23. What mineral are shells,
corals and limestone made out
of?
A. less CO2 released from soil
B. development of herbicide
resistance in weeds
C. reduced soil erosion
A. water
B. food
C. the air
A. environmental engineers
B. analytical chemists
C. oil response specialists
Grades 9-12 Matter
A. calcium apatite
B. silicon dioxide
C. calcium carbonate
Grades 9-12 Matter
Grades 9-12 Matter
Grades 9-12 Matter
18. Which nitrogen compound
is a major greenhouse gas?
A. NO
B. N20
C. NH2
19. What component of the
periodic table tells you how
many protons an atom has?
A. rows
B. atomic numbers
C. columns
CORRECT: B, B
21. What term describes the
process of "locking up" a
chemical or element so that it
no longer cycles?
A. nutrient enrichment
B. sequestration
C. acidification
20. What happens to calcium
carbonate under low pH
conditions?
A. nothing
B. it dissolves
C. it precipiates
CORRECT: C, B
CORRECT: B, B
CORRECT: B, B
Grades 6-8 Matter
Grades 6-8 Matter
Grades 6-8 Matter
Grades 6-8 Matter
18. What is the most common
element (by mass) in animals?
20. Who cleans up oil spills?
22. What is the chemical
formula for water?
24. Which of these human
activites has little effect on the
carbon cycle?
A. hydrogen
B. oxygen
C. carbon
A. chemical engineers
B. oil response specialists
C. environmental engineers
A. NO3
B. H2O
C. CO2
Grades 9-12 Matter
Grades 9-12 Matter
17. Global nitrogen fertilizer
use is 100 million metric tons.
The world population is about 7
billion. What is the per capita
use of nitrogen in kilograms?
(1 metric ton = 1000 kg)
A. about 1.4 kg
B. about 14 kilograms
C. about 140 kilgrams
Grades 9-12 Matter
23. What is a drawback of
scrubbing CO2 out of the
exhaust of coal-fired power
plants and sequestering it
somewhere?
A. it allows power plants to
continue using coal
B. it is uses 30% more energy
C. it keeps CO2 out of the
atmosphere
Grades 9-12 Matter
22. What is a way that carbon
dioxide is naturally
sequestered?
A. by adding iron to oceans
B. by the growth of long-lived
plants like trees
C. by reacting it with metal
oxides
CORRECT: B, B
24. Which carbon compound is
the most common greenhouse
gas?
A. CaCO3
B. C5H12O6
C. CO2
CORRECT: C, C
CORRECT: B, B
CORRECT: B, B
A. burning fossil fuels
B. plowing soil
C. damming rivers
Grades 6-8 Matter
Grades 6-8 Matter
Grades 6-8 Matter
Grades 6-8 Matter
25. Which of these human
activities has a big effect on the
nitrogen cycle?
27. What characteristic of a
nitrogen atom makes it so
important in forming proteins?
29. Which of these is a
physical means of separating
the parts of a mixture?
A. logging
B. pumping out ground water
C. burning fossil fuels
A. its bonds are hard to break
B. it can form 4 bonds
C. it can form 3 bonds
A. digestion
B. oxidation
C. centrifuging
31. Who designs and monitors
systems for protecting the
environment from hazards
caused by construction or
industry?
Grades 9-12 Matter
Grades 9-12 Matter
Grades 9-12 Matter
25. Who creates things like
biodegradable polymers?
27. How do humans come into
contact with heavy metals?
A. biochemists
B. structural engineers
C. materials scientists
A. particles from outer space
rain onto water supplies
B. they are taken up from soil
by plants people eat
C. through their use in industry
29. What component of the
periodic table tells you how
many bonds an atom can
form?
CORRECT: C, C
CORRECT: C, C
A. rows
B. atomic numbers
C. columns
A. chemical engineers
B. analytical chemists
C. environmental engineers
Grades 9-12 Matter
31. Which organisms would be
directly affected by ocean
acidification?
A. marine mammals
B. penquins
C. corals and mollusks
CORRECT: C, C
CORRECT: C, C
Grades 6-8 Matter
Grades 6-8 Matter
Grades 6-8 Matter
Grades 6-8 Matter
26. Which of these is a
chemical means of separating
the atoms in a compound from
each other?
28. Which of these is a good
electrical insulator?
30. What method would work
the best for removing oil from
water in an oil spill near a
drinking water intake?
32. About how many naturally
occuring elements are there?
A. sifting
B. centrifuging
C. digestion
Grades 9-12 Matter
26. Which element was only
recently banned from global
gasoline supplies because of
its effect on the IQ of children?
A. arsenic
B. chromium
C. lead
A. metal
B. water
C. glass
Grades 9-12 Matter
28. Which of these elements, in
various compounds, causes
dead zones to form near the
mouths of major rivers?
A. carbon
B. oxygen
C. nitrogen
A. adding disperants
B. leaving it alone
C. skimming
Grades 9-12 Matter
30. Where are the radioactive
elements located on the
periodic table?
A. far left column
B. far right column
C. bottom rows
CORRECT: C, C
CORRECT: C, C
CORRECT: C, C
A. 92
B. 68
C. over 100
Grades 9-12 Matter
32. What term describes the
trend of decreasing pH in the
world's oceans?
A. sequestration
B. nutrient enrichment
C. acidification
CORRECT: C, C
Matter Grades 6-12
EARTH QUEST
Matter Grades 6-12
EARTH QUEST
Matter Grades 6-12
EARTH QUEST
Matter Grades 6-12
EARTH QUEST
Matter Grades 6-12
EARTH QUEST
Matter Grades 6-12
EARTH QUEST
Matter Grades 6-12
EARTH QUEST
Matter Grades 6-12
EARTH QUEST
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