The watershed! Science class on 9-19-18

A watershed....

• is a drainage area in a basin with a ridge.

• is made up of streams, rivers, lakes and ponds.

• carries dirt, rocks, plants, and minerals. Even gold!

• All of the above

Weathering is the breakdown of rocks into sediments.

• True

• False

Sand on the beaches is an example of sediments.

• True

• False

Erosion is when sediments are carried ___________.

• to Disneyland

• away

• to room 18

Rocks can be moved down a stream by water. Heavy rain can even roll boulders down a stream or river. This is because more energy can move bigger sediments

• False

• True

As rocks move down a river or stream, their edges become __________. Just like the sugar cube!

• purple

• sharp

• rounded

Deposit is where sediments settle out.

• True

• False

What is a characteristic of a rock that tells us it has been through a stream?

• It has been weathered.

• It is smooth.

• Both of course!

Igneous rocks are rocks from under the earth.

• True

• False