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NATS - Understanding Colour. With Solution 100%
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Matter Everything around us or in general physical substances which possesses mass and occupies space is called Matter. NATS - Understanding C
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NATS - Understanding ColourMatter
Everything around us or in general physical substances which possesses mass and occupies space is
called Matter.
Energy
The capacity of a physical system to move and object or perform work is called Energy.
States of Matter
We talk about 4 but there are 5: solid, liquid, gas, plasma,(normal matter 5%) dark matter (25%) (we
know it exists but we don't know shit about it) dark energy (70%)
Solid
Solid is a state of matter that the shape and volume are relatively stable. The constituents of a solid tend
to be packed together.
Liquid
Liquid is a state of matter that the particles in a liquid are free to flow, so while a liquid has a definite
volume, it does not have a definite shape.
,Gas
Gas is a state of matter consisting of particles that have neither a definite volume not definite shape.
Plasma
Plasma is a state of matter where the gas phase is heated until it ionized. Plasmas are made up of
positively charged ions and unbound electrons.
What state of matter is water?
Water can be in all 3 states, if you heat it it can be ionized and be plasma
Units of Measurement
SI unit or metric system
International System of Units
The International System of Units is the standard modern form of the metric system. The name of this
system can be shortened or abbreviated to SI, from the French name; Système Internationald'unités.
The metric system is a _____-______ system of measurements.
decimal-based
,SI Units of Measure for each quantity
Unit of length is meter
Unit of mass or weight is gram
Unit of volume is liter
Unit of temperature is kelvin (absolute zero -273.15)
Unit of temperature is Celsius (centigrade=celsius)
Unit of time is second
Unit of Length
Meter
unit of mass or weight
gram
unit of volume
liter
unit of temperature
kelvin and celsius
, unit of time
second
Between celsius and kelvin which is commonly used?
Celsius and centigrade is commonly used but kelvin is the one accepted by the SI units, it is more
scientific
Are celsius, kelvin and centigrade equivalent?
These 3 units have the same unit, it means that if you have centigrade, if you have celsius and if you
have 1 kelvin they are all equivalent
SI Unit Prefixes
giga - 10^9
mega - 10^6
kilo - 10^3
hecto - 10^2
deca - 10^1
deci - 10^-1
centi - 10^-2
milli - 10^-3
micro - 10^-6
nano - 10^-9
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