Methane Pollution and Climate Change

What is the main purpose of the new device created by chemists?

• To convert methane into water

• To filter methane from water

• To capture methane for use as fuel

• To destroy methane pollution

Tags

NGSS.HS-ETS1-3

Why is methane considered a potent greenhouse gas?

• It is more abundant than carbon dioxide

• It traps heat 80 times better than carbon dioxide

• It dissolves well in water

• It is easier to capture and use as fuel

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS2-6

What is the chemical composition of methane?

• One carbon atom and two oxygen atoms

• One carbon atom and four hydrogen atoms

• Two carbon atoms and four hydrogen atoms

• One carbon atom and one oxygen atom

Tags

NGSS.MS-PS1-1

What natural process did Johnson's team mimic to break apart methane?

• Electrolysis

• Chlorine radical reaction

• Combustion

• Photosynthesis

What is the byproduct of the new device that could be useful on its own?

• Hydrogen

• Methane

• Oxygen

• Nitrogen

Tags

NGSS.HS-PS1-2

What is the main source of methane emissions linked to human activities?

• Burning fossil fuels

• Cow burps and rotting manure

• Deforestation

• Industrial waste

Tags

NGSS.HS-ESS3-6

What is the role of LED bulbs in the new device?

• To split chlorine molecules into radicals

• To heat the methane

• To filter the air

• To capture carbon dioxide

Tags

NGSS.HS-PS3-3

What is the main challenge in using methane as a fuel?

• It is too reactive

• It is too dilute

• It is too expensive

• It is too concentrated

What is the expected benefit of the larger version of the device?

• It will be cheaper to produce

• It will produce more chlorine radicals

• It will more efficiently destroy methane

• It will be more portable

Tags

NGSS.HS-ESS3-2

NGSS.HS-ESS3-4

What additional step does Johnson's team want to implement in the future?

• Use more powerful LED bulbs

• Capture the CO2 leaving the system

• Increase the size of the test chamber

• Add more chlorine gas

Tags

NGSS.HS-ESS3-5

NGSS.HS-LS2-7