21.1 & 21.2 Lesson: Earth's Resources and Renewable vs. Non-rene

21.1  Materials Humans Use
What is a resource?

• Anything on Earth that humans use

• Some can be used over and over

• Some can only be used once

​End of 21.1  Materials Humans Use

Please Take the Quiz
(7 minute to reach mastery using your notes)

Then complete the review questions and the Practice questions in CK12 for 21.1
Check the Environmental Side of the Whiteboard

21.2 Renewable vs. Nonrenewable Resources

​Palm Oil plantation next to a rain forest

​

Renewable Resource

• Sunlight

• Air

• Water

• Plants and Animals

Renewable resources can be replaced within a human lifetime or less.

Rocks and Minerals

Can take millions of years to form.

Examples:

-Sand is used to make glass

-Rubies and Diamonds: Jewelry

-Marble: Building materials

-Used in electronics