WorksheetsCh. 20: Matter & Energy in the Environment
Total questions: 19
Worksheet time: 10mins
Name
Class
Date
1.
What process is shown in this figure?
a)
decay
b)
nitrogen fixation
c)
photosynthesis
d)
transpiration
2.
T/F: Clouds are formed when water vapor evaporates on smoke, dust or other small particles making them "air sponges" holding water.
a)
True
b)
False
3.
As carbon compounds over time it becomes fossil fuels. What of the below items is a fossil fuel?
a)
nuclear power
b)
oil
c)
wind
d)
wood
4.
Without this, Earth could become too hot or cold to support life as we know it.
a)
geothermal energy
b)
the ozone layer
c)
global warming
d)
the greenhouse effect
5.
Why do many people feel that slowing our use of fossil fuels would slow global warming?
a)
Fossil fuels produce smog in the atmosphere.
b)
Burning fossil fuels produces carbon dioxide (CO2), a greenhouse gas.
c)
Mining fossil fuels produces heat.
d)
Fossil fuel uses damages the ozone layer.
6.
What is formed when decomposing organisms are exposed to pressure, heat, and bacteria for hundreds of millions of years?
a)
fossil fuels
b)
greenhouse gases
c)
nitrogen
d)
oxygen
7.
Where would you find organisms that produce food by chemosynthesis?
a)
in a deep part of the ocean
b)
In desert biomes
c)
in deciduous rain forest biomes
d)
in treetops
8.
One possible result of increased carbon dioxide (CO2) in the atmosphere is ____________.
a)
an increase in the number of carnivores on Earth
b)
a rise in average temperatures on Earth
c)
a decrease in the amount of water on Earth
d)
a decrease in the amount of nitrogen in the soil.
9.
What are living things that make their own food?
a)
carnivores
b)
consumers
c)
omnivores
d)
producers
10.
The gases that surround Earth are called __________.
a)
the core
b)
respiration
c)
the atmosphere
d)
habitat
11.
What does this diagram illustrate?
a)
an ecosystem
b)
an energy pyramid
c)
a food chain
d)
a food web
12.
If more greenhouse gases are released into the atmosphere what is likely to happen?
a)
an increase in average temperatures on Earth
b)
an increase in the amount of carbon in the soil
c)
an increase in the amount of nitrogen in the soil
d)
a decrease in average temperatures on Earth
13.
Which includes both an abiotic and biotic factor?
a)
a cow eating grass
b)
a dog giving birth to puppies
c)
a lion drinking water
d)
a rock rolling down a hill
14.
What is the most common gas in the atmosphere?
a)
helium
b)
hydrogen
c)
oxygen
d)
nitrogen
15.
What refers to all the living and nonliving things in a given area?
a)
abiotic factors
b)
biotic factors
c)
ecosystem
d)
soil
16.
What is a model that shows the amount of energy available at each step of a food chain?
a)
ecosystem model
b)
energy pyramid
c)
food web
d)
trophic model
17.
What is a process where producers use chemical energy in matter to make food?
a)
chemosynthesis
b)
energy conversion
c)
fixation
d)
photosynthesis
18.
What is the name for a consumer that eats both producers and other consumers?
a)
carnivore
b)
detritivore
c)
herbivore
d)
omnivore
19.
Assume that each trophic level uses 90% of the energy it receives. If the first trophic level receives 100 units of energy, how much energy is available for the third tropic level?
a)
1 unit
b)
10 units
c)
1,0000 units
d)
10,000 units
100 %
