Unit 7: Waste Management

Municipal Waste

Beware Decomp Toxicology

$200 $200 $200 $200 $200

$400 $400 $400 $400 $400

$600 $600 $600 $600 $600

$800 $800 $800 $800 $800

$1000 $1000 $1000 $1000 $1000

$200 Municipal Waste

Non-liquid waste that comes from homes, institutions and small businesses.Answer: Solid Waste

$400 Municipal Waste

The liquid that comes from the decomposition of trash as rainwater percolates downward.

Answer: Leachate

$600 Municipal Waste

This is the water we use in our households, businesses, industries or public facilities, drain or flush down our pipes?

Answer: What is wastewater?

$800 Municipal Waste

Name a benefit of a sanitary landfill.

Answer: Consolidate trash away from other parts of a city.

$1000 Municipal Waste

Methane is the by-product gas of decomposition in landfills. How can the landfill effectively use the methane?

Answer: To collect the methane and use it to generate electricity.

$200 Recycle-O-Rama

Preventing waste generation through conserving resources and reducing the amount of waste produced.

A. Composting B. RecyclingC. Source Reduction

$400 Recycle-O-Rama

Materials that decompose or break down naturally in the landfill are called…? A. CompostingB. RecyclingC. Biodegradable

$600 Recycle-O-Rama

Answer: We can avoid the costs of disposal and recycling. We can also conserve resources and produce less pollution.Question?What are the benefits of reducing the amount of waste we generate.

$800 Recycle-O-Rama

A. Consumers can choose to buy only well-designed goods that will last a long time. If consumers do not buy poorly made or disposable goods, companies will loose $$ & they might reduce the amount they produce.

Q. What type of products should consumers purchase in order to be sustainable?

$1000 Recycle-O-RamaQ. What types of incentives should city governments to convince consumers to reduce their waste?

A. Tax break to those who recycle.

B. Have a return refund on bottles and cans so that people will recycle their products.

C. All of the above

$200 Beware

Waste that is ignitable, corrosive, chemically reactive or toxic is

considered to be?

A. Municipal Waste

B. Hazardous Waste

C. Landfill Waste

$400 Beware

Method of hazardous waste disposal using deep wells

which are not permeable are called:

Answer: Deep well injection

$600 Beware

A cleanup program developed to address US sites polluted with hazardous waste from past dumpings.

A. E-wasteB. Radioactive WasteC. Superfund ActD. Surface impoundment

$800 Beware

Name the 3 ways to dispose of hazardous waste.

Answer: landfills, surface impoundment and injection wells.

$1000 Beware

1. What is a heavy metal? (not a band!!)

2. Where do heavy metals come from?3. How do they enter the environment?

Answer: 1) lead, chromium, mercury, arsenic, copper, tin, etc.2) E-waste, batteries, paints, etc.3) Improper disposal such as dumping

$200 Decomposition

Name the process that continually renews and enriches the Earth, returning carbon, hydrogen and nutrients to the soil, water and air. These are the conditions needed for new life to thrive.

Answer: Biodegradation

$400 Decomposition

These species, responsible for decomposition, are the most abundant organism on Earth. They are single celled and come in different shapes:rod, spiral and spherical.

What are_____________?

Bacteria

$600 Decomposition

Name three types of decomposers.

Answer: Bacteria, Fungi & Insects

$800 Decomposition

Name three types of insects which assist in decomposition:

Answer: Nematodes (worms), sow bugs and centipedes.

$1000 Decomposition

How is decomposition different on land versus water?

Answer: On land, there are insects which assist bacteria & fungi in decomp.

In water, bacteria & protists decompose.

$200 Toxicology

Found as a gas by-product produced in landfills, wetlands, oceans, cow flatulations. Name this pollutant.

Answer: Methane

$400 Toxicology

Name three sources of lead, found in the environment:

Answer: Paint, toys, bullets, fishing lures, metal pots, glass, pottery, plumbing pipes.

$600 Toxicology

Found in plastics, floor finish, cable insulation, transformers, electrical capacitors.

Can cause cancer, alter endocrine, immune and reproductive systems.

Answer: PCB’s

$800 Toxicology

With repeated exposure, this toxic chemical causes brain malfunction, poor muscular development, cardiovascular disease and damage to the reproductive system.

Answer: Mercury

$1000 Take a Risk

Identify these two toxins:1) Naturally occurring radioactive gas found in

soil and/or rock. Causes chronic lung cancer.

2) Found in insulation, floor and ceiling tiles, fire retardant materials and in roof shingles. Also causes lung cancer, asbestosis, etc.

Answers: 1) Radon

2) Asbestos