Science 8: Section 1.0 Quiz

Last updated over 3 years ago
13 questions
1

While walking down the hallway at school you overheard two of your classmates discussing something about water resources and the number 74% came up. From your understanding of water, this percentage represented the amount of

1

Which of the following statements is NOT correct?

1

When a water sample was mixed with soap flakes and shalen it did not produce many bubbles. This indicates that the water sample

1

An advertisement arrived at your household that encouraged homeowners to purchase a reverse osmosis unit. From your knowledge of this technology, you would know that it is used to

1

The laboratory in your school has a distillation apparatus for producing pure water. Which of the following statements best describes the process it uses for producing this type of water?

1

Which of the following pairs would represent the majority of fresh water on Earth?

2

What are two things that water quality technicians test for? (Be precise in your answer)

1

The amount of salt in water is called what?

1

What is term called when it states "water rich in calcium"?

1

This chemical is used to treat water supplies. What is it called?

4

Explain this statement "Not all fresh water is drinkable."

4

One of your friends wrote down a quotation from a television program about survival in the wilderness. A "survival expert" said that human beings can safely drink ANY type of water if they have to and no harm will come to them. Is this statement true or false? Explain your answer.

4

There is a water crisis in North America that is largely affecting the Colorado River. From the youtube video that we watched the scientist talked about the "Bathtub Ring" that is found behind the Hoover dam. What does this mean?