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W8 Pop-Human R.

Last updated about 5 years ago

6 questions

1

1

1

1

3

1

Question 1

1.

What is the proces by which heavy particles settle down at the bottom in a liquid mixture

filtering

decantation

gravity

sedimentation

Question 2

2.

The almost clean liquid can be separated from the dirtier solid portion by the process of...

decantation

gravity

sedimentation

filtering

Question 3

3.

According to the video, after sedmientation and decantation, water is clean enough to be drunk immediately after.

True

False

Question 4

4.

Two students were asked to explain what sedimentation is. Which student is correct?

Sentence example: Melissa experienced sedimentation first hand as a gust of wind caused sand particles to fly and settle down over Melissa.

Aiden: Sedimentation is when you separate a liquid from solid materials in a mixture. It is how soil can be separated from a mixture of dirty water. 

Cesar: Sedimentation is when the particles of matter are settled at the bottom of something. It is also how things are buried.