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WorksheetsEOY Project
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What is the hydrosphere?
a)
rigid outer part of the earth including rocks and minerals
b)
all living organisms
c)
all water on Earth’s surface such as lakes and seas
d)
gases and vapors surrounding the Earth
2.
What allows polar molecules to stick from all sides?
a)
Polarity
b)
Cohesion
c)
Density
d)
High Surface Tension
3.
What is a universal solvent?
a)
substance that dissolves most chemicals
b)
substance that sticks from all sides
4.
What percent of the earths oceans is saltwater?
a)
97%
b)
72.5%
c)
73%
d)
71%
5.
What is it called when water vapor is turned into a liquid?
a)
evaporation
b)
transpiration
c)
condensation
d)
runoff
6.
Which ocean is off the coast of North Carolina?
a)
Atlantic
b)
Arctic
c)
Indian
d)
Pacific
7.
What is potable water?
a)
water safe to use
b)
drinkable water
c)
polluted water
d)
saltwater
8.
What is point source pollution?
a)
pollution from the ocean
b)
pollution from diffuse sources
c)
pollution caused by rainfall or snowmelting
d)
single identifiable source of pollution from which pollutants are discharged.
9.
What is high heat vaporization?
a)
amount of heat one gram of a substance must absorb or lose to change its temperature
b)
high input of energy is required to transform one gram or liquid water into water vapor
c)
mass per volume in something
d)
tightness in the water
10.
What causes the tightness in water?
a)
High surface tension
b)
cohesion
c)
polarity
d)
density
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