Waste Management

"Matter cannot be created or destroyed, it only changes form. " is known as

• The Law of Conservation of Energy

• The First Law of Thermodynamics

• The Law of Conservation of Matter

• The Second Law of Thermodynamics

Tags

NGSS.MS-PS1-5

Among the following, which object can be recycled?

• Concrete

• Compost

• Glass

• Soil

Why are non-biodegradable plastics a problem in the environment?

• They do not decompose or break down naturally
• They leak toxic chemicals
• They are filling up lakes and ponds
• They contain poisons for wildlife

Tags

NGSS.MS-PS1-3

NGSS.MS-LS2-4

These are wastes that can easily decompose in the soil?

• biodegradable

• e - waste

• nonbiodegradable

• metal waste

Tags

NGSS.MS-LS2-3

Which one is not a benefit of recycling ?

• It reduces pollution .

• It conserves natural resources.

• It saves energy.

• It may cause diseases.

What are the 3 Rs of waste management?

• Recycle, React, & Respond

• Reduce, Reuse, & Recycle

• Reuse, Rinse, & Repeat

• Reduce, Reapply, & Rethink

Tags

NGSS.HS-ETS1-3

NGSS.HS-LS2-7

Refers to the practice of proper waste disposal.

• Waste management

• Marketing management

• Strategic management

• Human management

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

Hazardous waste is:

• corrosive
• ignitable
• toxic
• all of these

Tags

NGSS.MS-PS1-2

All of the following are methods of solid waste disposal EXCEPT:

• landfills
• open dumping 
• incineration
• recovery 

A process in which mixed garbage is burned at very high temperatures is:

• recovery
• incineration
• leachate
• source reduction 

Tags

NGSS.MS-ESS3-4