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