What is the most common type of waste found in landfills?

• Electronic waste

• Plastic waste

• Food waste

• Construction debris

Which gas is primarily produced by the decomposition of organic material in landfills?

• Oxygen

• Nitrogen

• Methane

• Carbon dioxide

Tags

NGSS.MS-LS2-3

What is leachate in the context of landfills?

• A type of landfill gas

• The liquid that drains or 'leaches' from a landfill

• A method of recycling

• A type of landfill liner

Which of the following materials is commonly used as a liner in modern landfills to prevent leachate from contaminating groundwater?

• Concrete

• Plastic (HDPE)

• Sand

• Clay

Tags

NGSS.MS-ESS3-3

What is the primary environmental impact of methane gas produced by landfills?

• It depletes the ozone layer

• It contributes to smog formation

• It is a potent greenhouse gas

• It increases oxygen levels in the atmosphere

Tags

NGSS.MS-ESS3-5

How are modern landfills typically monitored to ensure compliance with environmental regulations?

• By using drones

• Through satellite imagery

• With onsite inspections and monitoring wells

• By community reporting

Tags

NGSS.MS-ESS3-3

What is the purpose of a landfill cap?

• To collect leachate

• To prevent further waste deposition

• To minimize the infiltration of water

• To produce landfill gas

Which of the following is NOT a method of leachate management in landfills?

• Recirculation

• On-site treatment

• Off-site disposal

• Ignoring it

Tags

NGSS.MS-ETS1-2

What role do landfill regulations play in waste management?

• They ensure that waste is sorted correctly at the source

• They mandate the recycling of all waste materials

• They set standards for landfill construction, operation, and closure

• They prohibit the use of landfills entirely

Tags

NGSS.MS-ETS1-1

Why is it important to divert organic waste from landfills?

• To reduce the production of landfill gas

• To increase the capacity of landfills

• To improve the quality of leachate

• To make composting unnecessary

Tags

NGSS.MS-LS2-5