Reference Pages

For kids work notes and other odds & ends

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Meniscus of liquid is a curve in the surface of a liquid and is produced in response to the surface (or surface tension) of the container or another object. It can be either concave or convex.
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The Earth is 149 gigameters from the Sun. Or that it is 0.149 terameters to the Sun.
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The average width of human hair is 80 µm, (ranges from 18 to 180 µm). And 80 000 nanometers, or 0.08mm. ( µm=micron)
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Metric Prefixes:
yotta- (Y-)
10×24
1 septillion

zetta- (Z-)
10×21
1 sextillion

exa- (E-)
10×18
1 quintillion

peta- (P-)
10×15
1 quadrillion

tera- (T-)
10×12
1 trillion

giga- (G-)
10×9
1 billion

mega- (M-)
10×6
1 million

kilo- (k-)
10×3
1 thousand

hecto- (h-)
10×2
1 hundred

deka- (da-)**
10
1 ten

deci- (d-)
10x-1
1 tenth

centi- (c-)
10x-2
1 hundredth

milli- (m-)
10x-3
1 thousandth

micro- (µ-)
10x-6
1 millionth

nano- (n-)
10x-9
1 billionth

pico- (p-)
10x-12
1 trillionth

femto- (f-)
10x-15
1 quadrillionth

atto- (a-)
10x-18
1 quintillionth

zepto- (z-)
10-21
1 sextillionth

yocto- (y-)
10x-24
1 septillionth

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