G7 Environmental Science 2ND QTR EXAM
Quiz by Melva D. Borja
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- Q1
The most significant feature of the ancient atmosphere was the absence of __________.
oxygen
carbon dioxide
argon
nitrogen
30s - Q2
Which of the following is the correct order of Earth's atmosphere?
Troposphere>Mesosphere>Stratosphere>Thermosphere>Exosphere
Stratosphere>Troposphere>Thermosphere>Mesosphere>Exosphere
Stratosphere>Mesosphere>Troposphere>Thermosphere>Exosphere
Troposphere>Stratosphere>Mesosphere>Thermosphere>Exosphere
30s - Q3
What is the basis for the division of the layers of the atmosphere surrounding Earth?
changing composition
changing amount of oxygen
changing temperature
changing weather patterns
30s - Q4
Which of the following is not a constituent of the atmosphere?
carbon dioxide
aluminum
nitrogen
oxygen
30s - Q5
Which two gases make up the majority of the earth’s gases?
oxygen and propane
oxygen and methane
nitrogen and oxygen
nitrogen and carbon dioxide
30s - Q6
In which layer do virtually all weather phenomena take place?
Stratosphere
Exosphere
Troposphere
Mesosphere
30s - Q7
Which of the following is not true about Ozone?
It protects us from UV light.
It contains 3 oxygen atoms.
It is just like regular oxygen.
It makes up a layer in our atmosphere found in the stratosphere
30s - Q8
Why is the presence of ozone above the troposphere is important for the survival of living things on Earth?
It helps in cloud formation.
It offers protection from the Sun's harmful UV rays.
It makes jet flying more comfortable.
It warms Earth's surface.
30s - Q9
The Earth is called the blue planet because _____.
it reflects the color of the sky.
it is the color of the planet that is displayed after absorbing sunlight.
it reflects heat from the sun.
it is covered with water.
30s - Q10
What two elements make up water?
hydrogen and oxygen
helium and carbon
oxygen and carbon
helium and oxygen
30s - Q11
What property of water is most important for living organisms?
It is tasteless.
It does not conduct electricity
It is odorless.
It is a liquid at most temperatures on Earth
30s - Q12
Which property of water enables it to be an effective coolant?
heat capacity
freezing point
polarity
salinity
30s - Q13
Water is a good solvent because _____.
it flows.
polarity allows it to dissolve.
it has specific heat.
it is consist of hydrogen and oxygen.
30s - Q14
Which best explains why so little of the water on earth is available for human use?
97% of total water on earth is salt water, and most of the remaining 3% is freshwater frozen ice caps and glaciers
97% of total water on earth is salt water, and most of the remaining 3% is freshwater found in lakes, rivers and ponds.
97% of total water on earth is freshwater, and most of the remaining 3% is salt water in the ocean basins
97% of total water on earth is freshwater, and most of the remaining 3% is salt water found in underground aquifers.
30s - Q15
Which of the following major processes are involved in the water cycle?
melting, diffusion, and evaporation
evaporation, condensation, and precipitation
condensation, diffusion, and melting
evaporation, melting, and perspiration
30s