Changes to the Environment

Front

What is pollution?

Back

Pollution is the introduction of harmful substances or products into the environment.

Front

What are some types of pollution?

Back

Air pollution, water pollution, and land pollution.

Front

What can cause air pollution?

Back

Smoke from factories, car exhaust, and burning trash.

Front

What is a flood?

Back

A flood is an overflow of water that submerges land that is usually dry.

Front

What can cause a flood?

Back

Heavy rains, melting snow, or dam failure.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by wind or water.

Front

What is a drought?

Back

A drought is a prolonged period of abnormally low rainfall, leading to a water shortage.

Front

How can weather cause a fire?

Back

Lightning can strike trees and start a fire.

Front

What is an oil spill?

Back

An oil spill is the release of liquid petroleum hydrocarbons into the environment, especially marine areas.

Front

What is a beaver dam?

Back

A beaver dam is a structure built by beavers to create a pond for their habitat.