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WorksheetsUnit 2: Water
Total questions: 37
Worksheet time: 20mins
Name
Class
Date
1.
Water is a polar molecule. True or False
a)
True
b)
False
2.
When the hydrogen bonds of water molecules pull closer together on the surface of the water is called...
a)
Polar Molecule
b)
Hydrogen Bond
c)
Adhesion
d)
Surface Tension
3.
When water molecules stick to other things, like the penny, it is called?
a)
Cohesion
b)
Adhesion
c)
Ice Wedging
d)
Precipitation
4.
When water travels up the stems and through the petals of plants using cohesion is called...
a)
Capillary Action
b)
Transpiration
c)
Oxidation
d)
Acid Rain
5.
What is the solid form of water called?
a)
Water Vapor
b)
Water
c)
Ice
6.
When water molecules stick to other water molecules is called...
a)
Cohesion
b)
Adhesion
c)
Oxidation
d)
Condensation
7.
Mass ÷ Volume =
a)
H2O
b)
Density
c)
Volume
d)
Sublimation
8.
What is the liquid form of H2O called?
a)
Water Vapor
b)
Water
c)
Ice
9.
3% of all water on planet Earth is ...
a)
Fresh Water
b)
Salt Water
10.
A type of precipitation that is able to chemically react with rocks to weather them is called...
a)
Acid Rain
b)
Oxidation
c)
Salt Water
d)
Freezing
11.
97% of all water on planet Earth is ...
a)
Fresh Water
b)
Salt Water
12.
The continuous process by which water moves from the Earth's surface to the atmosphere and back, passing through the living and nonliving parts of the environment.
a)
Melting
b)
Freezing
c)
Water Cycle
d)
Surface Tension
13.
Forms of water such as rain, sleet, snow, and hail that fall from the clouds and reach the Earth's surface.
a)
Solar Heat
b)
Precipitation
c)
Transpiration
d)
Condensation
14.
The process by which plants release water vapor through their leaves.
a)
Precipitation
b)
Transpiration
c)
Condensation
d)
Evaporation
15.
The process by which a gas, such as water vapor, changes to a liquid, such as water.
a)
Precipitation
b)
Condensation
c)
Transpiration
d)
Evaporation
16.
Water that flows over the ground surface rather than soaking into the ground.
a)
Transpiration
b)
Precipitation
c)
Runoff
d)
Melting
17.
The process by which molecules at the surface of a liquid, such as water, absorb enough energy to change to a gaseous state, such as water vapor.
a)
Condensation
b)
Transpiration
c)
Precipitation
d)
Evaporation
18.
Energy from the sun is called solar energy or heat. True or False?
a)
True
b)
False
19.
When a liquid changes to a solid.
a)
Melting
b)
Freezing
c)
Sublimation
d)
Deposition
20.
When a solid changes to a gas.
a)
Sublimation
b)
Freezing
c)
Deposition
d)
Melting
21.
When a gas changes to a solid.
a)
Sublimation
b)
Freezing
c)
Deposition
d)
Melting
22.
When a solid changes to a liquid.
a)
Sublimation
b)
Freezing
c)
Deposition
d)
Melting
23.
An H2O molecule looks like Mickey Mouse.
a)
True
b)
False
24.
An H2O molecule is composed of ...
a)
2 Hydrogen and 1 Oxygen
b)
2 Oxygen and 1 Hydrogen
25.
What happens when water changes states of matter?
a)
The temperature increases
b)
The temperature decreases
c)
The temperature stops increasing or decreasing during phase change.
26.
Water is the only substance on Earth that is naturally found in all 3 phases of matter.
a)
True
b)
False
27.
Water molecules __________ as they freeze.
a)
Expand
b)
Squeeze tighter
28.
Ice floats because it is more dense than water.
a)
True
b)
False
29.
What is the density of water?
a)
1 g/cm3
b)
1 mL/g
c)
2 g/mL
d)
2 g/cm3
30.
Why did the paper clip float on top of the water?
a)
Abrasion
b)
Adhesion
c)
Evaporation
d)
Surface Tension
31.
What percent of the Earth's surface is covered in water?
a)
75%
b)
90%
c)
5%
d)
30%
32.
What fuels the water cycle?
a)
Rain
b)
Solar Energy
c)
Water
d)
The Ocean
33.
Rain isn't salty because the salt does not evaporate.
a)
True
b)
False
34.
The amount of water on the planet has changed a lot over the course of history.
a)
True
b)
False
35.
Water changes from one state of matter to another by increasing or decreasing the heat?
a)
Increasing
b)
Decreasing
c)
Both
36.
What type of structure do water molecules form when they freeze?
a)
Square
b)
Circular
c)
Hexagonal
d)
Octagonal
37.
What is the density of water?
a)
2 g/cm3
b)
1 mL/g
c)
1 g/mL
d)
2 g/cm3
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