G11 U6 VOCAB 1

Several factors can lead to soil erosion. Which of these human activities is most likely to contribute to soil erosion?

• Clearing land for farming

• Planting trees and vegetation

• Preserving land as a wildlife habitat

• Reducing the amount of livestock in an area

We cause changes in the environment by

• doing nothing

• taking pictures of natural environments

• using man-made resources to meet our needs

Activities such as burning fossil fuels and tree logging

• increase the temperature of the planet

• protect the environment

• save energy

By turning off lights when we do not need them, we

• save water

• save energy

• save time

Deforestation is...

• the process by which heat is trapped inside Earth's atmosphere by gases.

• an energy source, such as coal, oil, or natural gas, that is taken from the ground.

• the action or process of clearing forests.

• the weather conditions in an area over a long period of time.

What are emissions?

• Something that is found in nature and is valuable to humans, such as water, minerals, and trees.

• Things that are produced and given off as part of a process.

• The act or result of putting harmful substances into the air, water, or soil.

• People concerned with keeping Earth's ecosystems healthy.

What is global warming?

• The process by which heat is trapped inside Earth's atmosphere by gases.

• An increase in the average temperature of Earth's atmosphere and oceans, especially one great enough to change the climate.

Pollution is...

• an energy source, such as coal, oil, or natural gas, that is taken from the ground.

• the act or result of putting harmful substances into the air, water, or soil.

• the weather conditions in an area over a long period of time.

Natural Resources are...

• something that is found in nature and is valuable to humans, such as water, minerals, and trees.

• energy from a natural resource, such as wind or sunlight, that can't be used up.

• an energy source, such as coal, oil, or natural gas, that is taken from the ground.

• an invisible gas that is formed by the chemical breakdown or burning of organic substances such as fossil fuels.

The Greenhouse Effect is...

• the long-term, lasting changes in Earth's weather patterns of the weather patterns of a region.

• the process by which heat is trapped inside Earth's atmosphere by gases.