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Unit 1: Universe Origins, BIG CHILL/RIP or BIG CRUNCH - Coggle Diagram
Unit 1: Universe Origins
Scientific Notation
MULTIPLYING: add exponents
DIVIDING: subtract exponents
ADD/SUB: exponents stay the same through equation
Conversions
NEGATIVE exponent means move left from decimal and POSITIVE means move right from decimal
Rule: to start it just has be between 0 and 9.9 (technically)
Big Bang (13.7 million years old)
Started from "Singularity" - a single point of infinite density containing all space time
Hydrogen and Helium atoms were abundant (most of the universe is made form them two
Took 1 billion years after the BB for stars to form and organize them into galaxies
Protons, neutrons and elections were all formed and combined later on to make the atom
Started off really hot (10^27C) then cooled to 235 C
FORCES OF THE UNIVERSE
Strong Force - hold nucleus together
Electromag Force - draws the electrons towards the nucleus
Weak force - triggers nuclear fusion
Gravity - holds the universe together
BIG CHILL/RIP or BIG CRUNCH