Water Review

Question 1

What is less dense, liquid water or ice?

Answer 1

Ice

Question 2

What is one thing that can happen as water gains energy?

Answer 2

Evaporates or melts

Question 3

Because water has a negatively charged end and a positively charged end, it is called…?

Answer 3

Polar

Question 4

Why does ice float on water?

Answer 4

It is less dense

Question 5

When water goes from vapor to liquid, what is it called?

Answer 5

Condensation

Question 6

Which property of water helps monitor the weather of coastal areas?

Answer 6

High specific heat

Question 7

Which property of water causes it to make perfect drops?

Answer 7

Cohesion and surface tension

Question 8

What is the only substance to exist as a solid, liquid and gas in nature?

Answer 8

Water

Question 9

When water is heated, how do the molecules move?

Answer 9

They move faster and break their hydrogen bonds

Question 10

What is the freezing point of water?

Answer 10

0 C, 32 F

Question 11

What is the boiling point of water?

Answer 11

100 C, 212 F

Question 12

Why does water dissolve many things?

Answer 12

It is polar

Question 13

What is one thing water cannot dissolve?

Answer 13

Oil, pepper, etc.

Question 14

What is the difference between adhesion and cohesion?

Answer 14

Adhesion is water sticking to other objects-cohesion is water sticking to water

Question 15

What contributes directly to beach erosion?

Answer 15

Waves

Question 16

A glacier scrapes across a land form. Is that physical weathering, chemical weathering or erosion?

Answer 16

Physical weathering

Question 17

The majority of Earth’s freshwater can be found in…?

Answer 17

Ice (glaciers, icebergs, etc)

Question 18

The wind blows sand across a farm field. That is an example of…?

Answer 18

Erosion

Question 19

What is the main source of pollution in Virginia waterways?

Answer 19

Sediment

Question 20

What modern invention led to cleaner drinking water?

Answer 20

The toilet and wastewater treatment plants

Question 21

If glaciers carry rocks away from their location, that is an example of what?

Answer 21

Erosion

Question 22

What word describes water traveling over surfaces and picking up pollutants?

Answer 22

Runoff

Question 23

Canyons (like the Grand Canyon) often have rivers between them. What would cause them to form?

Answer 23

Water weathering

Question 24

Caves along the shore are often formed by what?

Answer 24

Physical weathering

Question 25

Lichen and rust are examples of…?

Answer 25

Chemical weathering

Question 26

Freezing and thawing of rocks lead to what?

Answer 26

Mechanical weathering

Question 27

What causes weathering when ice forms in rocks?

Answer 27

The water expands as it freezes