Water - Assessment

1.

Multiple Choice

30 sec

1 pt

If all of the Earth's water were placed into a gallon jug, the freshwater would equal _____

a single teaspoon

a single tablespoon

half a cup

a single cup

2.

Multiple Choice

30 sec

1 pt

Of the three blue dots in the image, the biggest one represents _____

all of the water on our planet

all of the salt water on our planet

all of the liquid fresh water on our planet

all of the surface freshwater that is accessible

3.

Multiple Choice

30 sec

1 pt

Holding about one-fifth of the world's freshwater, what is the deepest lake in the world?

North America's Lake Superior

Africa's Lake Chad

Russia's Lake Baikal

Africa's Lake Tanganyika

4.

Multiple Choice

45 sec

1 pt

The chemical compound of water is

HO

H₂O

H₃O

HO₂

5.

Multiple Choice

45 sec

1 pt

Water is a universal solvent

True

False

6.

Multiple Choice

45 sec

1 pt

A Compound that is being dissolved is called a

Solution

Solute

Solvent

Suspension

7.

Multiple Choice

45 sec

1 pt

A solvent is...

substance into which the solute dissolves

a compound being dissolved

a substance that does not dissolve

None of the above

8.

Multiple Choice

1 min

1 pt

The attraction that causes water and other liquids to form drops on thin films is called ________________. This is also water’s ability to be attraction to other water molecules.

adhesion

capillary action

cohesion

surface tension

9.

Multiple Choice

45 sec

1 pt

Approximately what percentage of the water on Earth is freshwater?

0.1%

2.6%

50%

97%

10.

Multiple Choice

45 sec

1 pt

True of False: There is less water on our planet today then there was 10,000 years ago.

True

False

11.

Multiple Choice

45 sec

1 pt

Acid (H+) + base (OH-) → water + salt

The reaction above is solution

The reaction above is a suspension

The reaction above is neutralization

The reaction above is condensation

12.

Multiple Choice

30 sec

1 pt

A(n) ______ is a substance with a pH less than 7

Acid

Alkaline

Base

Buffer

13.

Multiple Choice

30 sec

1 pt

The pH scale is a range from:

1-7

0-14

1-14

1-20

14.

Multiple Choice

30 sec

1 pt

A(n) _______ is a substance with a pH greater than 7.

Base

Acid

Buffer

Water

15.

Multiple Choice

30 sec

1 pt

How many hydrogen atoms are in one molecule of water?

1

2

3

4

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