Unit 9: Solid & Hazardous Waste

What is included in the waste stream?

• Items such as paper, plastic, glass, metal, organic waste, and hazardous waste are included in the waste stream.
• Clothing and textiles
• Electronics and appliances
• Construction materials

What percent of US waste ends up in landfills?

• 25%
• 50%

• 10%
• 80%

Why are open, unregulated dumps a major concern?

• They are good for the environment
• They help control waste management
• They have no impact on public health
• They can lead to environmental pollution, health hazards, and the spread of diseases.

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

What is a sanitary landfill?

• A method of waste disposal where waste is launched into space
• A method of waste disposal where waste is dumped into the ocean
• A method of waste disposal where waste is buried in the ground and covered with soil to minimize environmental impact.
• A method of waste disposal where waste is burned in open fields

Why is e-waste a hazardous waste concern?

• E-waste contains toxic materials
• E-waste is not harmful to the environment
• E-waste is used for renewable energy
• E-waste is biodegradable

Tags

NGSS.MS-ESS3-4

How is energy recovered from incinerators?

• Through the use of heat exchangers to produce steam
• By releasing it into the atmosphere as pollution
• By converting it into solid waste for disposal
• By using wind turbines to generate electricity

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What are the concerns when using incinerators to burn waste?

• Decreased environmental impact, lower energy consumption, and improved air quality
• Environmental impact, air pollution, and potential health risks
• Reduced air pollution, improved environmental impact, and no health risks
• Increased recycling, reduced waste production, and improved water quality

Tags

NGSS.HS-ESS3-4

NGSS.HS-LS2-7

The residue from mass burns of waste contain...?

• clean and pure substances
• various pollutants and toxins, such as dioxins & lead

• fragrant and pleasant odors
• beneficial nutrients for the environment

Tags

NGSS.MS-PS1-3

Compared to landfilling, recycling saves...?

MARK ALL THAT APPLY!

• money & energy

• raw materials

• land space

• time

Recycling can involve...?

MARK ALL THAT APPLY.

• new products being made from old

• the remaking of the same product

• the use of new materials to make old products

• old products being placed in safe locations to avoid contamination

Tags

NGSS.MS-PS1-3