78% of the atmosphere is composed of this element:
Nitrogen
Layer of the atmosphere in which the weather processes occur:
Troposphere
What are the three different states of water and an example of each?
Gaseous (water vapour, dew), liquid (rivers, lakes), and solid (snow, hail, frost, glaciers).
What two chemicals are responsible for acid rain?
Sulphur and Nitrogen Oxide.
21% of the atmosphere is composed of this element:
Oxygen
Layer of the atmosphere in which shooting stars and meteorites are found:
Mesosphere
True or false: Water is composed of 2 hydrogen atoms and 1 oxygen atom?
True
What two components are responsible for the Greenhouse effect?
Carbon dioxide and water vapour.
0.03% of the atmosphere is composed of this element:
Carbon dioxide
Layer of the atmosphere where the ozone layer is found:
Stratosphere
True or False: What is a bad solvent?
False. Water is a good solvent.
True or False: Riding the metro instead of driving a personal vehicle is a way in which we can prevent atmospheric pollution.
True.
This component of the atmosphere blocks harmful ultraviolet radiation from reaching the earth:
Ozone
Layer of the atmosphere where outer space begins and gases begin to disappear:
Exosphere
True or False: Water absorbs and releases heat very quickly?
False. Water absorbs and releases heat very slowly.
True or False: Taking short showers can help reduce water consumption.
True.
What is the name of the chemical banned from aerosol containers responsible for destroying the ozone layer?
Chlorofluorocarbons or CFC's
What is the acronym used to remember the layers of the atmosphere?
TRuST ME in The Exam. Troposphere, Stratosphere,Mesosphere, Thermosphere and Exosphere.
What are the steps of the water cycle?
1. Evaporation and transpiration of surface waters.
2. Condensation and cloud formation.
3. Precipitation in the form of rain, hail and snow.
4. Water flowing over the surface into surface waters and infiltrating groundwaters.
All of the following are examples of water pollutants except: Sewage, oil, noise, invasive species and chemicals.
Noise.