Advertisement Upgrade to remove ads

How fossils are formed

When dead organisms are buried in sediments that then harden

Increase in size of fossils

How does the fossil record show that life on Earth has changed over time?

Evolution

Describe the process by which all the different kinds of living things have changed over long periods of time.

Casts and molds

When molds formed on the surface harden

By comparing it to the ages of the other layers around it

Determine the relative age of a rock layer.

Rock layers closer to the surface are younger

What is the Law of Superposition?

Nuclear fusion

The Sun produces energy by what method?

Geocentric

The model in which Earth is at the center of the solar system is _________.

Cooler

Sunspots are _________ than the gases around them.

Elliptical

The shape of the orbits of most comets is _________.

Between Mars and Jupiter

Where is the Asteroid Belt located?

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set