Science: Earth's Resources and etc.

_____ is a renewable resource that people breath to get oxygen

Air

Acidic rain or snow that forms when waste gases from automobiles and power plants combine with moisture in the air is known as ______________

acid precipitation

_____ pollution can cause many health processes, especially _______ problems, for people

air breathing

One way to help protect Earth is to _____ damaged habitats, and another way is to ______ ways of leading everyday life; for instance, cutting down on energy use

restore rethink

Water flowing over the land is called ______; it can pick up many different ______, including pesticides, herbicides, ______, and oil from roads

runoff pollutants fertilizers

Cities have _____ treatment plants to ______ wastewater draining from people's homes

sewage purify

The farming practice of irrigation causes salt to build up in the _____, which is a very harmful form of land _____

soil pollution

Energy from the Sun, called ______ energy, is a ___________ resource

solar inexhaustible

City ______ often empty directly into local waterways; if people pour wastes, such as old _____ and motor oil, into the storm drains, water ______ can result

storm drains paint pollution

Meeting human needs in ways that ensure future generations also will be able to meet their needs is known as ________; conserving energy is one way to work toward a ________ future

sustainability sustainable

__________ replenishes itself through plant decay and other natural processes; however, wind and ______ can carry it away, and rebuilding it can take _____ of years

topsoil water hundreds

Many industries and mines produce _____ wastes; improper storage of these wastes can contaminate _____ and water and can ______ or destroy entire ecosystems

toxic land damage

_______ from industries and ____ has pollutants; some of these harmful substances may remain in the water after it has been _____, contributing to _____ pollution

wastewater mines treated water

______ pollution comes from many sources, including agriculture, industry, and people's home

water

Due to replenishment through the ______, the total amount of water on Earth is constant

water cycle

The possible effects of global warming include _______ to ecosystems, _______ in flooding and droughts, and a rise in ______ level

changes increases sea

People use wind turbines to produce ________ in areas with frequent strong _______

electricity wind

The U.S. Environmental Protection Agency (EPA) monitors the health of the environment in the United States, enforces _______ laws, and develops plans for cleaning up _______ wastes

environmental toxic

_____ are forming all the time because we are using them up more quickly than nature can _____ them.

fossil fuels replace

Reducing ________ use and relying on other ways to produce electricity, such as _______ electricity, helps create _____ pollution

fossil fuels solar less

Fuels including coal, ______, and _______ gas, which formed from the decay remains of organisms that died millions of years of ago are called ______

fossil fuels and minerals fossil fuels

People need _____ to drink; we also use this resource for bathing, ________ crops, and running ______ and power plants

freshwater irrigating factories

A ________ vehicle (FCV) produces electricity by combining ________ with ________ from the air

fuel cell hydrogen oxygen

Sulfur dioxide ____ from coal-burning power plants and _____ oxide gases from car and truck exhaust combine with ______ to form acids

gas nitrous moisture

Two alternative fuels are _____ and ______; burning these fuels rather than _______ helps reduce air _____ that causes _______

gasohol and biodiesel pollution global warming

Thermal energy from within Earth, called ________ energy, is a ________ resource

geothermal inexhaustible

The scientific observation that Earth's average surface temperature is increasing is called _______

global warming

Leaves, _______ clippings, and ________ scraps can be turned into _________-rich soil by _________

grass vegetable nutrient composting

Scientists use satellites, airplanes, and ground-based stations to collect data related to levels of _______ gases, _____ throughout the atmosphere, ecosystems changes, ____ glaciers and sea _____, _____ patterns, and _____ health to monitor human impact on Earth

greenhouse pollution melting ice climate ocean

The main cause of global warming is an increase in _______ gases, including __________; this gas is released when people burn ______

greenhouses carbon dioxide fossil fuels

People use solar energy to grow food in ________, to generate __________, and heat __________ for homes use

greenhouses electricity water

The increasing size of the _____ population has caused many environmental changes around the planet

human

A ________ vehicle (HEV) has a small ______ engine and a ______- powered electric _____ to run the car

hybrid electric battery motor

A natural resource that will not run out, no matter how much of it people use, is called a ________ resource

inexhaustible

Name the different types of resources:

inexhaustible resources,nonrenewable resources, and renewable resources

One of the main resources the ______ provides is fertile soil

land

Litter is one form of ___ pollution; aside from littering, people cause land pollution through farming, industrial practices, and ________

land mining

What are the different types of pollution?

land, air, and water

Some natural resources include ______, _______, ______, _______, _______, and ______

land, air, water, minerals, trees, and fuels

People can save energy and cause _____ pollution when they by driving a car that gets a _____ mpg.

less high

People use _____ for many different purposes, including for fertilizers, in building materials, and in electric devices.

minerals

Natural resources that are being used up faster than they can be replaced by natural processes, such as fuels and minerals, are called ________ resources

nonrenewable

Most pollution is caused by __________, but ______ disasters also cause pollution

people natural

___________ is a kind of air pollution that forms when sunlight reacts with waste gases from the burning of fossil fuels

photochemical smog

Acid precipitation _____ soil and water, kills _____, including trees, and damages buildings

pollutes plants

The contamination of the environment with substances that are harmful to life is known as ___________

pollution

Buying _______ products is another important part of recycling

recycled

Manufacturing new products out of used products is called ________

recycling

Recycling computers _______ the amount of materials wasted and helps ensure that toxic materials in the computers are disposed of separately

reduces

All organisms need the _______ resource water to survive

renewable

Natural resources that can be replenished by natural processes at least as quickly as they are used are known as _________ resources

renewable

________ resources provided by land include wildlife and _________ such as forests, grasslands, deserts, and coral reefs

renewable ecosystems

Cleaning _______ requires energy; therefore, technologies that conserve water including _______ shower heads and toilets and drip ________, also conserve _______

1. water 2. low-flow 3.irrigation 4. energy

What does CFC stand for?

Chlorofluorocarbons

___________ are parts of the environment that supply materials useful or necessary for the survival of living things

Natural Resources

________ is produced by the Sun's uneven heating of Earth's atmosphere

Wind

In the upper atmosphere, energy from sunlight causes _______ atoms in CFC molecules to break away; the chlorine atoms react with _______ molecules, breaking them apart

chlorine ozone

_________ techniques help protect Earth's resources, and for this reason, they often focus on saving ______ and reducing _______

developing energy pollution

Plants would not be able to produce ______ through photosynthesis if the air did not contain _________

oxygen carbon dioxide

Plants produce _____ and release it into the air through the process of ___________

oxygen photosynthesis

Air pollution from chemicals called chlorofluorocarbons, used in refrigerants, air conditioners, and spray cans, started to destroy the ________

ozone layer

The ______ in the upper atmosphere protects life on Earth by preventing most harmful ultraviolet radiation, given off by the Sun, from reaching out planet

ozone layer

Buying products with the least ________ helps reduce the amount of _______ produced; _______ items rather than throwing them away and buying a new item also cuts wastes

packaging waste reusing