HMH Mag. 4: Conservation

Which is a way people waste water at home?

• Leaving the water running while brushing their teeth.

• Keeping a pitcher of cold water in their refrigerator.

• Throwing things in a trash can.

• Fixing a leaky faucet.

Which is one way people can destroy natural habitats?

• keeping pollution out of rivers

• picking up trash

• planting gardens

• cutting down forests to make farmland

Erosion of this natural resource takes nutrients and minerals from plants.

• water

• topsoil

• air

• trees

Which natural resource produces oxygen and removes carbon dioxide from the atmosphere?

• trees

• water

• topsoil

• gummy bears

Why do we need to conserve?

• Because we have unlimited resources.

• So we can keep everything for ourselves

• So we don't run out of what we need.

What is conservation?

• removal of salt and other chemicals from seawater

• the surrounding natural world

• the protection, preservation, and management of wildlife and natural resources, such as water

What is desalination?

• the amount of carbon-containing greenhouse gases released into the environment by a particular human activity

• water beneath Earth's surface that supplies wells to and springs

• the removal of salts and other chemicals from seawater

What is the greenhouse effect?

• the capability of meeting our present and future needs while avoiding long-term effects on the environment

• the effect of carbon dioxide and other gases trapping the sun's heat within the atmosphere, leading to global warming

• the amount of carbon-containing greenhouse gases released into the environment by a particular human activity

What is a landfill?

• a substance or element, such as stone or iron, that is found in the ground

• water beneath Earth's surface that supplies wells and springs

• a site for the disposal of solid waste

What is a natural resource?

• a valuable material, such as timber or fresh water, that is found in nature

• relating to an energy source that cannot be replaced after it has been used

• a site for the disposal of solid waste