Humans and the Environment

Resources that can be replaced or used again

• solar cells

• renewable resources

• natural resources

• nonrenewable resources

Tags

NGSS.MS-LS2-5

Most of the energy people use comes from this.

• nonrenewable resources

• renewable resources

• fossil fuels

• natural resources

Found in nature and used by living things.

• solar cells

• natural resources

• fossil fuels

• renewable resources

Tags

NGSS.MS-LS2-3

Which is an example of a helpful environmental change?

• oil spills

• planting trees

• pollution

• chemicals soaking into the ground

Tags

NGSS.MS-LS2-5

The release of harmful material into the environment.

• biodiversity

• ecosystem

• pollution

• desalination

Tags

NGSS.MS-LS2-4

Turn old things into new things

• recycle

• reduce

• reuse

Tags

NGSS.MS-PS1-3

What is the key difference between renewable and non-renewable resources?

• a. All non-renewable resources pollute the environment; renewable resources don't.

• b. Non-renewable resources must be refined before humans can use them; renewable resources don't.

• c. Non-renewable resources exist in unlimited quantities; renewable resources don't.

• d. Non-renewable resources exist in limited quantities; renewable resources don't.

What can you conclude from the fact that the human population is so much larger today than it was 200 years ago?

• a. Most people chose not have children 200 years ago

• b. People 200 years ago killed one another frequently

• c. People 200 years ago had better medicine than we do today

• d. People today live longer, healthier lives than 200 years ago

Why are solar and wind power considered alternative energy sources?

• a. They are an alternative to non-renewable energy sources like fossil fuels

• b. They are used by people in alternative communities

• c. They use alternating current instead of direct current

• d. You can alternate between using solar power during the day and wind power at night

How can population growth lead to more pollution?

• a. Too many people breathing causes too much carbon dioxide to enter the atmosphere

• b. The body heat generated by billions of people leads to an increase in global warming

• c. More people being born means more paper is needed to print birth certificates

• d. All people produce waste, so more people equals more waste

Tags

NGSS.MS-ESS3-4