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WorksheetsChemistry of the atmosphere AQA GCSE
Total questions: 22
Worksheet time: 12mins
For the last ............. .......... ........... the proportion of gases in the atmosphere has been much the same
200 million years
800 million years
1 billion years
200 billion years
The current proportion of gases is approximately
20% nitrogen, 80% oxygen and small proportions of various other gases.
80% nitrogen, 20% oxygen and small proportions of various other gases.
70% nitrogen, 30% oxygen and small proportions of various other gases.
30% nitrogen, 70% oxygen and small proportions of various other gases.
The early atmosphere of Earth contained gases due to ...
Plant life
Algae
Volcanic activity
Dinosaurs
The Early atmosphere of Earth was similar to that of ................... .... .............. today
Mars and Venus
Neptune and Mercury
Uranus and Mars
Venus and Jupiter
What was the composition of Earth's early atmosphere?
Mostly methane, little to no carbon dioxide
Mostly oxygen, little to no carbon dioxide
Mostly nitrogen, some oxygen
Mostly carbon dioxide, little to no oxygen
True or false. Volcanoes produced carbon dioxide, water vapour, methane and ammonia.
True
False
Oceans could only form when............
the boiling point of water changed
the melting point of water changed
the Earth cooled enough
photosynthesis began
The carbon dioxide in the early atmosphere reduced due to it .........
dissolving in oceans
forming carbonates in water
forming sedimentary rocks such as limestone
photosynthesising plants
All of the previous points
Oxygen in the atmosphere increased due to .....
Respiration
Photosynthesis
Distillation
Evaporation
Which is the correct equation for photosynthesis?
carbon dioxide + oxygen → glucose + water
carbon dioxide + water→ glucose + oxygen
carbon dioxide + glucose → water + oxygen
How did the evolution of plants change the composition of the atmosphere?
Increase carbon dioxide and decrease oxygen
Decrease carbon dioxide and increase oxygen
Why are greenhouse gases important?
They maintain temperature to support life
They maintain atmospheric pressure to support life
They maintain oxygen concentration to support life
All of the previous answers.
Which of the following are greenhouse gases?
Water vapour, oxygen and methane.
Oxygen, carbon dioxide and methane.
Water vapour, carbon dioxide and oxygen.
Water vapour, carbon dioxide and methane.
As humans, we contribute to global warming by burning fossil fuels and deforestation which releases ..............
Carbon dioxide
Methane
As humans, we contribute to global warming by over farming cattle and growing rice in paddy fields which releases ..............
Carbon dioxide
Methane
Greenhouse gases warm up the lower atmosphere by.......
Absorbing infrared radiation
Reflecting infrared radiation into space
Passing radiation of almost all wavelengths down to Earth
Define carbon footprint.
The carbon footprint is the total amount of carbon dioxide and other greenhouse gases emitted over a person's lifetime.
The carbon footprint is the total amount of carbon dioxide and other greenhouse gases emitted over a company's lifetime.
The carbon footprint is the total amount of carbon dioxide and other greenhouse gases emitted over the full life cycle of a product, service or event.
What two products are produced in incomplete combustion but not complete combustion?
Water and carbon dioxide
Carbon and carbon monoxide
Water and carbon monoxide
Water and carbon
The element ............... can be found as an impurity in fuels which can contribute to acid rain.
Carbon
Hydrogen
Nitrogen
Sulfur
Which of the following are properties of carbon monoxide?
Odourless, colourless and toxic
Odourless, black and toxic
Odourless, colourless and non-toxic
Odourless, black and non-toxic
Sulfur dioxides and nitrogen oxides
Cause respiratory problems
Cause acid rain
Both
Particulates cause ..............
Global warming
Global dimming
Global epidemics
