Conversion
Metric System
Significant Figures
Vocabulary
Matter
100
x m. = 20 km.
20000 m.
100
k
kilo, 10^3
100
415
3
100
density
mass/volume
100
What is water considered
Pure substance, compound
200
16 μs. = x ds.
0.00016 ds.
200
10^-2
c, centi
200
4002
4
200
Physical Change
A change that does does not alter the composition or identity of a substance.
200
What kind of change is combustion of octane (breaks octane down to carbon dioxide and water
Chemical change
300
43.2 mm. = x miles
0.0000225 miles
300
μ
10^-6, micro
300
0.0142
3
300
Theory
the explanation of an observed phenomena
300
Bacon grease is left in a pan for six hours, when you return to the pan, a gelatinous layer coats the bottom of the pan. What kind of change occurs?
Physical Change
400
1.264 Gm = x Å given 1 Å = 10^-10 m.
1.264*10^19 Å
400
10^-12
p, pico
400
0.001420600
7
400
Intensive Property
The property of a material does not depend upon how much matter is being considered.
400
What is wood considered?
Heterogeneous Mixture.
500
4.7*10^10 nL = x m³
0.047 m³
500
T
10^12, tera
500
2000.0
5
500
Magnitude of Uncertainty
A numerical range that identifies the uncertain digit of a figure using +/-.
500
What form of matter can be separated by physical means?
Mixtures
M
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