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WorksheetsWater Systems Test Module: Midterm Examination
Total questions: 52
Worksheet time: 1hrs 18mins
Name
Class
Date
1.
Which statement is most true?
a)
Most living things require water to live
b)
All living things require water to live
c)
Many living things are able to survive without water
d)
All living things can survive without water
2.
Astrobiologists believe that the best way to find life is to...?
a)
Look for oxygen in space.
b)
Look for warm planets
c)
Look for the biggest planets
d)
Look for planets with water
3.
Astrobiologists are...?
a)
An astrobiologist is a person who studies stars in space.
b)
An astrobiologist is a person who studies ocean animals.
c)
An astrobiologist is a person who studies the possibility of life beyond Earth.
d)
An astrobiologist is a person who studies the earth's core.
4.
Newborn babies are made up of more than ____ percent water?
a)
77%
b)
60%
c)
100%
d)
1%
5.
Adults are 60-65 percent water.
a)
True
b)
False
6.
Water is involved in about half the function within our bodies.
a)
True
b)
False
7.
What water based liquid do we produce to regulate our body temperature?
a)
Salt
b)
Tea
c)
Sweat
d)
Saliva
8.
How does water form round droplets?
a)
Water is round
b)
Water clings to itself
c)
Water doesn’t form droplets
d)
Water is slippery
9.
All liquids form droplets.
a)
True
b)
False
10.
Water travels up small tubes called xylem by sticking to each other and the sides.
a)
True
b)
False
11.
What draws more water up through a plant's system?
a)
Evaporation from leaves
b)
Rainfall
c)
skillful gardener
d)
Gravity
12.
What percentage of the earth’s water is in the oceans?
a)
25%
b)
100%
c)
7%
d)
97%
13.
What percentage of the earth is covered by water?
a)
50%
b)
0%
c)
71%
d)
33%
14.
What percentage of the earth’s water is freshwater?
a)
3.5%
b)
35%
c)
300%
d)
10%
15.
Almost 70% of the earth's freshwater is trapped in…?
a)
Sand
b)
Oceans
c)
Ice
d)
Mountains
16.
If you dig into the earth to find fresh water, this water is called...?
a)
Groundwater
b)
Dirty water
c)
Down water
d)
Rock water
17.
Which of the following is the solid stage of water?
a)
Rocks
b)
Ice
c)
Steam
d)
Sand
18.
Which of the following is the liquid stage of water?
a)
Ice
b)
Steam
c)
Snow
d)
Tap water
19.
We experience water in all three states: solid ice, liquid water, and gaseous water vapor.
a)
True
b)
False
20.
Most substances change states only at extreme temperatures. Water is unique because we experience it naturally in all states of matter.
a)
True
b)
False
21.
Water is made up of two elements, which element are they?
a)
Carbon & Oxygen
b)
Helium & Hydrogen
c)
Hydrogen & Oxygen
d)
Water is it’s own element
22.
Water is made up of three small atoms.
a)
True
b)
False
23.
The boiling point of water is...?
a)
150
b)
500
c)
100
d)
77
24.
The freezing point of water is...?
a)
100
b)
- 4
c)
0
d)
212
25.
In which state are the molecules of water most spread-out?
a)
Solid
b)
Liqiud
c)
Gas
26.
The average gallon of seawater contains about 1 cup of salt.
a)
True
b)
False
27.
The average gallon of seawater contains about ____ cup(s) of salt?
a)
1
b)
2
c)
3
d)
5
28.
What percentage of the earth’s water is freshwater?
a)
3.5%
b)
35%
c)
300%
d)
10%
29.
Which ocean is saltier?
a)
Atlantic Ocean
b)
Pacific Ocean
30.
Most of the water we see on earth was here when the earth was formed, but the earth does get some brand new water from what source?
a)
Meteorites from outer space
b)
Aliens from outer space
c)
Clouds
d)
The dinosaurs
31.
Comets are mostly made of...?
a)
Cheese
b)
Rocks
c)
Space
d)
Ice
32.
A single drop of seawater contains how many tiny organisms?
a)
About ten
b)
About one thousand
c)
About one million
d)
None
33.
What may be living in a single drop of seawater?
a)
Plankton
b)
Fish eggs
c)
Small insects
d)
All of these
34.
Which of the following is the solid stage of water?
a)
Rocks
b)
Ice
c)
Steam
d)
Sand
35.
Evaporation is ...?
a)
a change in state where a liquid turns into a gas.
b)
is a change in state where a gas turns into a liquid.
c)
is the process of water circulating between the oceans, atmosphere, and land.
d)
is water located under the ground, within soil and rock
36.
Condensation is...?
a)
a change in state where a gas turns into a liquid.
b)
is water located under the ground, within soil and rock
c)
the boundary between the unsaturated zone and the saturated zone.
d)
water that has high mineral content
37.
Groundwater is...?
a)
water located under the ground, within soil and rock
b)
the boundary between the unsaturated zone and the saturated zone.
c)
aquifer is the zone beneath the water table that is saturated with water.
d)
Anything that is able to absorb thermal (heat) energy without becoming significantly warmer is called a heat sink.
38.
The water table is...?
a)
the boundary between the unsaturated zone and the saturated zone.
b)
water that has high mineral content
c)
the zone beneath the water table that is saturated with water
d)
a large covering of ice over an area of land.
39.
An aquifer is...?
a)
the zone beneath the water table that is saturated with water.
b)
is a large covering of ice over an area of land.
c)
a slow moving mass of ice formed over hundreds of years as a result of snow accumulation.
d)
is an area of land where all water collects into the same place
40.
A heat sink is...?
a)
anything that is able to absorb thermal (heat) energy without becoming significantly warmer is called a heat sink.
b)
a slow moving mass of ice formed over hundreds of years as a result of snow accumulation.
c)
a process of improving water quality by removing pollutants.
d)
a measure of salt concentration in water.
41.
A watershed is...?
a)
A watershed is an area of land where all water collects into the same place
b)
is a measure of salt concentration in water
c)
is the process of using microorganisms to break down hazardous materials in soil or water
d)
safe drinking water
42.
Salinity is...?
a)
a measure of salt concentration in water
b)
is the process of using microorganisms to break down hazardous materials in soil or water
c)
safe drinking water
d)
is the process of removing contaminants from water
43.
Bioremediation is...?
a)
the process of using microorganisms to break down hazardous materials in soil or water
b)
the process of removing contaminants from water
c)
the process of removing salts from water
d)
water that is free from dissolved salts and minerals
44.
Potable Water is...?
a)
Safe drinking water is called potable water
b)
the zone beneath the water table that is saturated with water
c)
water that has high mineral content
d)
a change in state where a liquid turns into a gas
45.
Desalination is,,,?
a)
the process of removing salts from water
b)
the process of removing contaminants from water
c)
the boundary between the unsaturated zone and the saturated zone
d)
water located under the ground, within soil and rock
46.
A system is...?
a)
a group of parts that work together to perform a specific task
b)
a process of improving water quality by removing pollutants
c)
the process of using microorganisms to break down hazardous materials in soil or water
d)
the process of removing contaminants from water
47.
An icecap is...?
a)
a large covering of ice over an area of land
b)
a slow moving mass of ice formed over hundreds of years as a result of snow accumulation
c)
anything that is able to absorb thermal (heat) energy without becoming significantly warmer is called a heat sink
d)
the zone beneath the water table that is saturated with water
48.
A glacier is...?
a)
a slow moving mass of ice formed over hundreds of years as a result of snow accumulation
b)
a large covering of ice over an area of land
c)
anything that is able to absorb thermal (heat) energy without becoming significantly warmer is called a heat sink
d)
the zone beneath the water table that is saturated with water
49.
A pH Scale is...?
a)
used to rank the acidity of a solution from 0 to 14
b)
used to weight water in ponds
c)
used to measure earthquakes
d)
used to measure the speed of flowing water
50.
Solutions with a pH closer to 0 are highly acidic
a)
True
b)
False
51.
The opposite of an acidic solution is...?
a)
a basic solution
b)
a toxic solution
c)
a clear solution
d)
a clean solution
52.
Pathogens are...?
a)
disease-causing organisms that can move into water systems
b)
debris from human activities like logging, construction, and mining
c)
a slow moving mass of ice formed over hundreds of years as a result of snow accumulation
d)
When a gas turns to a solid
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