WorksheetsOpps
Total questions: 12
Worksheet time: 8mins
Name
Class
Date
1.
Which best explains why the water cycle mostly occurs over the oceans?
a)
Most of Earth’s water is located in the oceans.
b)
Salt water evaporates more quickly than freshwater.
c)
The temperatures over the oceans are cooler than over land.
d)
The temperatures over the oceans are warmer than over land.
2.
Through which processes is oxygen recycled within an ecosystem?
a)
diffusion and respiration
b)
transpiration and diffusion
c)
respiration and photosynthesis
d)
photosynthesis and transpiration
3.
A food web includes grass, rabbits, deer, and wolves. How would drought conditions most likely affect the populations in the ecosystem?
a)
All populations would experience a decrease in numbers.
b)
All populations would experience an increase in numbers.
c)
There would be a decrease in the grass and rabbit populations, but the deer and wolf populations would increase.
d)
. There would be an increase in the grass and rabbit populations, but the deer and the wolf populations would decrease.
4.
a)
Day 1
b)
Day 2
c)
Day 3
d)
Day 4
5.
What is most likely the reason people who live near nuclear power plants are concerned about environmental consequences?
a)
Radio waves are transmitted there 24 hours per day.
b)
A leak could contaminate groundwater in nearby areas.
c)
The waste products are released directly into the atmosphere
d)
Daily air temperatures are always higher on the days when the reactor is running.
6.
How do water quality standards most directly protect people?
a)
They limit the amount of water that can be taken from streams.
b)
They limit the amount of pollutants that can be collected from a
stream.
stream.
c)
They limit the amount of water that can be used for industrial purposes.
d)
They limit the amount of chemicals that can be present in drinking water.
7.
Which best supports the law of conservation of mass?
a)
There is a different number of atoms on each side of a chemical
equation.
equation.
b)
There is a different number of compounds on each side of a chemical
equation.
equation.
c)
There are the same number of compounds on each side of a chemical equation.
d)
There are the same number of atoms of each element on each side of a chemical equation.
8.
Which classification best fits the chemical Al2O3?
a)
compound
b)
element
c)
mixture
d)
molecule
9.
Reactant X, with a mass of 15 grams, is mixed with reactant Y, with a mass of 10 grams. What is the mass of the product XY if the reaction occurs in a sealed container?
a)
1.5 grams
b)
5 grams
c)
25 grams
d)
150 grams
10.
Which energy source would most affect global transportation if it was depleted?
a)
coal
b)
uranium
c)
petroleum
d)
natural gas
11.
Which is an implication of the increasing global population?
a)
Energy costs will decrease.
b)
The demand for energy will increase.
c)
The available energy supply will increase.
d)
The number of energy choices will decrease.
12.
Oil drilling on the continental shelf has been banned for the last 25 years; however, the ban will soon expire. Which best explains a likely environmental consequence due to the expiration of the ban?
a)
increase in coastal oil spills
b)
decrease in the amount of oil harvested
c)
increase in the destruction of wildlife habitats
d)
decrease in the absorption of solar energy by phytoplankton
100 %
