Environment Test Review

Test Date: Tuesday, April 22

What is the definition of an environment?

All of the living and nonliving things that surround you

What is an ecosystem?

A specified area in our environment containing living and nonliving things

What is the Greenhouse

Effect?

A natural process that warms the Earth by trapping the sun’s heat

Are greenhouse gases good or bad?

A lot of greenhouse gases are a bad thing, but a few of them are good

because they allow for the Greenhouse Effect to happen

What cause Greenhouse Gases

to build up?

Fossil fuels such as oil, coal and natural gas being burned and they

release Carbon Dioxide

What are examples of Greenhouse

Gases?

MethaneCarbon Dioxide

AmmoniaSulfur Dioxide

What is the Ozone Layer?

The thin layer of gases in the stratosphere that is made up of the

ozone gas

What is the chemical symbol

for the Ozone Gas?

O3

Is the Ozone layer man-made or

naturally occurring?

Naturally Occuring

What is the purpose of the Ozone Layer?

The Ozone Layer filters out the harmful UV Rays as they reach our

atmosphere, but let through the warmth and visible light

Could life on Earth exist without the

Ozone layer?

No

Is the Earth getting warmer or colder because of

the increasing amount of

Greenhouse Gas?

The Earth is getting warmer

What is water pollution?

Water being contaminated with harmful substances as a consequence

of human activities.

What are three sources of water

pollution?

1. Factory Dumping2. Oil Spills3. Garbage

4. Fertilizers5. Sewage and waste water

What are two effects of water

pollution?

1. Death of aquatic animals and plants2. Disruptions of food chains

3. Diseases4. Destruction of ecosystems

What is waste?

Anything that we throw away or get rid of that doesn’t get used

What are some things that create

waste?

O PaperO Food scrapsO Yard Waste

O GlassO MetalO Plastic

O ClothingO Wood

O PackagingO Electronics

Where does the garbage we create

go?

Trash is put into a dump or a landfill

What is a landfill?

A place where trash is left in one spot on top of the ground or in deep holes

in the earth, which are filled with trash

Why is plastic such a problem?

On 8% gets recycled and the rest ends up in the garbage and doesn’t

decompose

What is a natural resource?

Resource that come from the earth, but are not always found close to

home

What is a renewable resource?

Resources that will not disappear as we use them

What is an example renewable

resource?

1. Wind2. Solar Energy3. Hydro Energy

What is a nonrenewable

resource?

Resources that cannot replace themselves once they are gone

What is an example of a

nonrenewable resource?

1. Oil/Petroleum (gas, diesel, propane)2. Natural Gas

3. Coal4. Uranium

Why do we need to conserve our

natural resources?

We protect animals and their habitats

We provide a future for generations of people to come

Why does it mean to reduce

something?

To make something smaller or use less of resulting in a smaller amount of

waster

Why does it mean to reuse

something?

We can reuse materials in original form instead of throwing them away

Or

Pass those materials onto someone who can use them

Why does it mean to recycle

something?

Materials can be remade into the same kind of object or into something new

What is a habitat?

The natural home or environment of an animal, plant or organism

Why are we losing habitats?

1. Global warming2. Deforestation

3. Cutting down habitats for farmland4. Water pollution

Why is a food chain?

The order in which organisms or living things depend on one another for food

What is a producer?

Organisms that produce their own food

What is an example producer?

Plants

What is a consumer?

Anything that eats plants and animals

What is are the three types of consumers?

Herbivores

Carnivores

Omnivores

What is an herbivore?

An animal that consumes only plants

What is an omnivore?

An animal that consumes both plants and animals

What is an carnivore?

Consumes only meat

What happens if something in a

food chain disappears?

It causes problems for all of the other animals on the food chain

What is a food web?

A food web is a group of food chains within an ecosystem