Science (4th) Ch. 6 Lesson 3 - Resources from the Past (vocab & notes)

Any evidence of an organism that lived in the past.

Hardened tree sap, yellow to brown color, that can be a source of insect fossils.

A fossil formed or shaped within a mold.

A fossil made by an impression.

A source of energy made from the remains of ancient, once-living things.

A natural material or source of energy that is useful to people and cannot be replaced easily.

A useful material that is replaced quickly in nature.

When a plant or animal dies, the soft parts decay quickly or are eaten. Bones, teeth, and shells last longer and therefore are more likely to become ____________.

Wood that is replaced by minerals and turns to stone?

Any material found on Earth that can be used by people?

Name three fossil fuels?

Coal, oil & natural gas are examples of ___________.

Fossil fuels are energy sources formed millions of years ago. They form from the remains of __________ & ___________.

Fossil fuels are renewable or nonrenewable resources?

________________ are expensive to use, pollute the air and form very slowly. They cannot be replaced easily.

Renewable or nonrenewable resources can be replaced quickly by nature.

What are some examples of renewable resources?