Environmental Issues and Chemistry

CO₂ is also known as...

• carbon dioxide

• carbon monoxide

• carbon footprint

CO₂ is made up of...

• 3 carbon atoms

• 1 carbon atoms and 2 oxygen atoms

• 2 carbon atoms and 1 oxygen atom

Tags

NGSS.MS-PS1-1

At room temperature, carbon dioxide is a...

• solid

• liquid

• gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How much of the Earth's atmosphere is carbon dioxide?

• less than 1%

• 6 %

• more than 80%

By what year has the UK government said all new vehicles must be free from CO₂ emissions?

• 2036

• 2038

• 2040

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3

Methane is a compound containing

• 1 carbon atom and 1 hydrogen atom

• 1 carbon atom and 2 hydrogen atoms

• 1 carbon atom and 3 hydrogen atoms

• 1 carbon atom and 4 hydrogen atoms

Tags

NGSS.MS-PS1-1

Methane is a gas that impacts climate change and is called a ...

• glasshouse gas

• greenhouse gas

• hothouse gas

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

Complete combustion happens when methane reacts with plenty of oxygen to form the products...

• carbon dioxide and water

• carbon monoxide and water

• carbon and water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The products of incomplete combustion are..

• carbon dioxide and water

• carbon monoxide and water

• carbon and oxygen

Which of these processes absorbs carbon dioxide from the atmosphere?

• Respiration

• Combustion of fossil fuels

• Photosynthesis

Tags

NGSS.MS-LS1-6