Change your State
solid to liquid
melting
Boiling point of water
100oC
The metric prefix that means 0.01 or 10-1 of a unit...
centi-
0.00980 in scientific notation
9.8 x 10-3
S.I means this
International System of Units
gas to liquid
condensation
Melting point of ice
0oC
The metric prefix that is larger if thes two: kilo- and mega-
Mega -
6.7 x 105 in standard notation
678,000
Basic SI unit for luminous intesity
candella
gas to solid
deposition
This is the difference between evaporation and vaporization
Evaporation happens at the surface of a liquid
Vaporization happens throughout the liquid as the liquid boils
The number of mm in 2 m
2000 mm
6,670,000 in scientific notation
6.67 x 106
Full names of the 7 basic quantities that we measure
Length
Mass
Time
Temperature
Amount of substance
Electric Current
Luminous Intensity
solid directly to a gas
sublimation
This is one factor that affects evaporation
temperature or surface area, or humidity, or wind,
10-1
5.87 x 10-3 in standard notation
0.00587
7 basic SI units
meter
mol
candela
kilogram
second
ampere
kelvin
When bubbles in a boiling liquid reach to the surface of the liquid, they do this
Evaporation of sweat cools you down because....
It absorbs heat from your skin for the liquid (sweat) to turn to gas. So it removes heat from you/your body to change sweat to a gas....
(use the metric prefix for 10-6)
4.2 micrometers
Critical thinking
Scientific notation is useful in science because it makes very large numbers and very small numbers....
easier to read and write
(and use to calculatate)
7 SI Unit symbols
m
kg
s
K
mol
A
cd