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FS S6 WATER Pt 2
Test Description: Standard 6 concepts
Instructions: Answer all questions to get your test result.
1) Water is the only compound that commonly exists in these three states on Earth.
A
rivers, lakes, streams
B
Solid, Liquid and Gas
C
positive, negative, and neutral
D
Ice, water, and steam
2) Water contains these charges in each molecule.
A
Positive and Negative only
B
polar, non-polar, ionic
C
acids and bases
D
positive, negative, and neutral
3) Water molecules tend to __________ because they contain positive and negative charges.
A
stick
B
separate
C
push away
D
float
4) Water sticking to other things is called ...
A
cohesion
B
universal solvent
C
magnetic
D
Adhesion
5) Water sticking to itself is called ...
A
universal solvent
B
Cohesion
C
magnetic
D
adhesion
6) Water is called the ________________ because it dissolves more substances than any other solvent.
A
Universal Solvent
B
positive ion
C
solution maker
D
Solid, Liquid and Gas molecule
7) Water _____________ heat energy from the atmosphere.
A
increases
B
Absorbs
C
decreases
D
separates
8) __________________ power uses the kinetic energy of moving water to create electricity.
A
lightening
B
hydroelectric
C
electic
D
super
9) Solid ice ___________ in liquid water because it is less dense.
A
expands
B
sinks
C
floats
D
spreads
10) Most of the earth's water is ___________.
A
polluted
B
fresh water
C
Salt Water
D
from lakes and streams
11) _________% of the earth's water is salt water.
A
97
B
75
C
99
D
50
12) Water occurs initially on earth in the form of...
A
rain, oceans, creeks, bottles
B
rain, irrigation, rivers
C
oceans, rivers, creeks
D
Rivers, lakes, streams and glaciers
13) When water freezes, it __________.
A
gets solid
B
shrinks
C
melts
D
expands
14) Water has _____________ which allows some objects that would normally sink to float
A
dense holes
B
electric energy
C
molecules
D
Surface Tension
15) Water freezes at what temp?
A
212 degrees Fahrenheit
B
0 degrees Fahrenheit
C
0 degrees Celcius
D
32 degrees Celsius
16) Water boils at what temp?
A
32 degrees Fahrenheit
B
212 degrees Fahrenheit
C
100 degree Fahrenheit
D
0 degrees Fahrenheit
17) What types of things contaminates our water?
A
physical, biological, and chemical pollutants
B
pesticides, and parasites
C
dead animals, oil, lead
D
acid rain, dirt, and parasites
18) Most veggies retain their nutrients when cooked with which water cooking method?
A
boil
B
steam
C
pressure cooker
D
poach
19) You can always make water safe by boiling it.
A
idk
B
true
C
doesn't apply because water is safe anyway
D
false
20) a measure of the water in an item and is defined as the ratio of vapor pressure of a substance
A
water contaminant
B
water pressure
C
water activity
D
water impurity
*select an answer for all questions
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