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WorksheetsEnvironmental Science Chap 3 & 13 Reveiw
Total questions: 51
Worksheet time: 39mins
The _______is the layer of the Earth's atmosphere closest to the surface.
plates
crust
mesopshere
troposphere
Ozone molecules are made up of how many oxygen molecules?
6
4
5
3
_______ is the Earth's second most abundant gas.
nitrogen
oxygen
argon
ions
Phytoplankton are tiny marine algae.
true
false
Plants need ______ to survive.
wind
space
sunlight
The ______ contains all of the water on or near the Earth's surface.
mesosphere
hydrosphere
oceans
troposphere
The _____Ocean is the largest ocean.
Atlantic
Arctic
Indian
Pacific
The salinity of the ocean water is the concentration of all the undissolved salt it contains.
true
false
The atmosphere does not insulate Earth's surface.
true
false
Most of the salt in the ocean is ____
chlorine
rock salt
sodium chloride
sodium hydroxide
Earth is a _____ system.
open
closed
There is more fresh water on Earth than salt water.
true
false
This layer is the farthest layer from the Earth .
troposphere
mesosphere
thermosphere
stratosphere
The continuous movement of water by evaporation, condensation, and precipitation is called the water cycle.
true
false
A chlorofluorocarbon molecule contains from 1 to 4 chlorine atoms. About how many ozone molecules can 1 chlorine atom destroy?
4
100,000
40,000
1
