SIXTH GRADE SECOND SEMESTER REVIEW

The ozone layer is located in which layer of the atmosphere?
1. troposphere
2. exosphere
3. thermosphere
4. stratosphere
Water vapor is water in the form of:
1. droplets
2. steam
3. a gas
4. precipitation
In which layer of the earth's atmosphere does our weather occur?
1. troposhere
2. stratosphere
3. exosphere
4. mesosphere
Lakes that store water for human use are called:
1. springs
2. wells
3. resevoirs
4. aquifers
The group of gases responsible for destroying the ozone layer are:
1. CFC's
2. the radon gases
3. carbon dioxide
4. carbon monoxide
Precipitation is in the form of:
1. rain
2. snow
3. hail
4. all the above
Anemometers measure:
1. air pressure
2. humidity
3. wind speed
4. temperature
Which type of clouds usually covers much of the sky?
1. nimbus
2. stratus
3. cirrus
4. cumulonimbus
Increased amounts of this gas may lead to global warming.
1. carbon monoxide
2. carbon dioxide
3. oxygen
4. CFS's
What percentage of the Earth's water is fresh water?
1. about 3%
2. about 5%
3. about 10%
4. about 30%
What type of front is represented with a line with half circles?
1. cold front
2. occluded front
3. stationary front
4. warm front
A warm, humid air mass is called ____.
1. polar tropical
2. continental maritime
3. maritime tropical
4. continental tropical
The process of obtaining freshwater from saltwater is called ____.
1. boiling
2. desalination
3. conservation
4. recharge
What are the four main layers of the atmosphere in order from earth to space are:
1. stratosphere, mesosphere, troposphere, thermosphere
2. troposphere, mesosphere, stratosphere, thermosphere
3. tropshere, stratosphere, mesosphere, thermosphere
4. thermosphere, mesosphere, stratosphere, troposphere
Materials that allow water to pass through easily are ____.
1. permeable
2. impermeable
Most of the energy that heats the atmosphere is in what form?
1. ultraviolet radiation
2. gamma rays
3. x-rays
4. infrared radiation
What do the small lines at the end of the shaft that represents wind direction on a weather map indicate?
1. rain
2. air pressure
3. wind speed
4. temperature
What is the major source of smog?
1. factories
2. houses
3. automobiles and trucks
4. all the above
Which of the following is a type of freshwater wetland?
1. bog
2. swamp
3. marsh
4. all the above
What is a well in which the in which the groundwater rises because of pressure?
1. spring
2. artesian well
3. aquifer
4. dry well
What does a barometer measure?
1. wind speed
2. humidity
3. air pressure
4. air quality
What does the pH scale meausre?
1. The pH scale measures how acidic or basic a substance is.
2. The pH scale measures how hard a substance is
3. The pH scale measures the amount of radon in the air.
4. The pH scale measures wind speed of a hurricane.
Which does the greenhouse effect trap near the earth's surface?
1. carbon monoxide
2. humidity
3. heat
4. oxygen
What are the two most abundant gasses in the atmosphere?
1. carbon dioxide and oxygen
2. nitrogen and hydrogen
3. oxygen and carbon dioxide
4. nitrogen and oxygen
Most of the Earth's water is found in:
1. lakes, rivers and pond
2. oceans
3. polar ice caps
4. the atmosphere
What does a line with half circles and triangles on opposite sides of the line represent on a weather map?
1. cold front
2. warm front
3. occluded front
4. stationary front
A cold, dry air mass is called ___.
1. continental polar
2. continental tropical
3. maritime polar
4. maritime tropical
Why is the earth's atmosphere important to all living things?
1. The atmosphere provides the gases needed for life.
2. The atmosphere blocks out UV rays.
3. The atmosphere keeps the earth' temperature moderate.
4. All the above
What is a colorless odorless gas that is formed when wood, coal, gas or oil are incompletely burned?
1. radon
2. carbon dioxide
3. carbon monoxide
4. helium
What is the Coriolis Effect?
1. The Coriolis Effect is the condition of changing wind speed when it meets a cold front.
2. The Coriolis Effect is the condition in which the winds seem to curve because of the earth's rotation.
3. The Coriolis Effect is the condition caused by increased smog in the atmosphere.
4. The Coriolis Effect is the condition when an excess of nutrients buildup in water.
Specific sources of pollution are called:
1. primary sources
2. point sources
3. named sources
4. runoff sources
Using water wisely to avoid wasting it is called _____.
1. evaporatin
2. condensation
3. conservation
4. conduction
What causes winds?
1. differences in humidity
2. differences in altitude
3. differences in air pressure
4. differences in temperature
What type of front occurs when a cold and warm air mass meet and no movement occurs?
1. cold front
2. occluded front
3. warm front
4. stationary front
A ____ is the land area that supplies water to a river system.
1. tributary
2. aquifer
3. watershed
4. dry well
At what speed do winds have to reach in order to be classified a hurricane?
1. 100 mph
2. 119 mph
3. 135 mph
4. 141 mph
Which of the following is NOT major wind belt?
1. polar easterlies
2. trade winds
3. doldrums
4. prevailing westerlies
At a warm front, warm air meets and moves ___ the cold air.
1. over
2. under
What happens to air pressure the higher you go in the atmosphere?
1. Air pressure decreases you go higher in the atmosphere.
2. Air pressure increases as you go higher in the atmosphere.
3. Air pressure remains the same as you go higher in the atmosphere.
Which type cloud produces thunderstorms and tornadoes?
1. cirrus
2. stratus
3. nimbostratus
4. cumulonimbus
What is the type of heat transfer that occurs between two substances touching?
1. convection
2. radiation
3. conduction
Aht type of air mass forms over northern Canada?
1. continental tropical
2. continental polar
3. maritime tropical
4. maritime polar
Land that separates one watershed from another is called a ____.
1. tributary
2. levee
3. divide
4. mountain
What does a line with triangles on it represent on a weather map?
1. warm front
2. cold front
3. occluded front
4. stationary front
How do local winds differ from global winds?
1. Local winds blow in only one direction.
2. Local winds blow in different directions.
3. Local winds blow over small areas.
4. Local winds blow over large areas.
The layers of the atmosphere are classified according to changes in ___.
1. temperature
2. altitude
3. air pressure
4. density
A period with less rainfall than normal is called (a) ____.
1. deluge
2. drought
3. eutrophication
4. flood
What is recharge?
1. Adding fertilizer to the soil.
2. Planting trees to increase the amount of oxygen in the atmosphere.
3. New water that enters an aquifer from the earth's surface.
4. Obtaining freshwater from saltwater.
Which of the following is TRUE of eutrophication?
1. Run off from farms often contains fertilizer which can speed up the process of eutrophication.
2. The buildup of algae in a fish tank is an example of the early stage of eutrophication.
3. A and B are true
What is the freezing point of water?
1. 0 degrees Farenheit
2. 0 degrees Kelvin
3. 0 degrees Celsius
4. All represent the freezing point of water.

SIXTH GRADE SECOND SEMESTER REVIEW

Quiz