Environmental changes

Air pollution caused by smoke and gases

• smog

• renewable resources

• pollution

• nonrenewable resources

Adding harmful waste to water, air, or land

• smog

• Renewable Resources

• Pollution

• Nonrenewable Resources

Energy sources that will never run out, can be re-used

• Smog

• Renewable Resources

• Pollution

• Nonrenewable Resources

Energy sources that can run out, can't be replaced

• Nonrenewable Resources

• Renewable Resources

• Smog

• Pollution

The belief that humans have caused the Earth to gradually warm-up

• Global warming

• conserve

• Earth's fever

• By product

What is global warming?

• when polar bears starve

• when temperature increases

• when temperature decreases

• when lionfish invade a reef

What can you do against water pollution?

• go hiking

• plant trees

• swim

• clean the beaches

What can you do to help the environment?

• eat more

• collect plastic

• walk instead of driving

• sleep less

If all of the water dries up in a pond, the fish will-

• move to a new pond

• thrive

• perish

• swim faster

The approximate population of the world today is..

• 7.6 million

• 6.7 million

• 7.6 billion

• 6.7 billion