Oak ScienceTest · Science

Gases in the atmosphere

The starter and exit quiz of the lesson “Gases in the atmosphere”, from the unit “Carbon cycle and climate change” (Year 9 Science) by Oak National Academy.

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Oak National Academy

12 questions

What is the correct molecular formula for carbon dioxide?
Match the following key words to their definition.
Which gas is needed for respiration?
Which of the following processes requires carbon dioxide?
Which key word is used to describe a layer of gases that surrounds a planet?
What is the percentage of oxygen gas in Earth's atmosphere?
Which gas makes up about 78% of Earth's atmosphere?
What is the percentage of oxygen in Earth's atmosphere?
Which gas in our atmosphere is used to fill some types of food packaging, to keep food fresh for longer?
Which of the following are uses of carbon dioxide?
Which gas will form a white precipitate when bubbled through limewater, making the limewater turn milky?
Order the following statements to describe how to test for the presence of oxygen gas.

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