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