The First Final Flashcards
When was the Big Bang?
13.8 billion years ago
When did time start?
At the Big Bang
What is the Big Bang made of?
Pure energy
What is the Big Bang?
An explosion of energy that created everything and separated the 4 universal forces.
What is a Plank Second?
Ten to negative 43 power of a second
What is inflation?
Where matter keeps expanding after the Big Bang
What is the Higgs Field
A time frame in the Big Bang where quarks were made.
What is baryogenis
A war between matter and antimatter. Matter one.
Nucleosynthesis
When protons and neutrons were formed
What are the types of stars?
O B A F G K M
What type of star is the sun?
G
When was the earth made
4.6 billion years ago
Length unit
Meter
Mass unit
Kilogram
Volume unit
M cubed
Temp
Celcelus/ kelvin
Mill
1 thousandth
Centi
One hundredth
Deci
One tenth
Deca
Ten
Hecta
100
Kilo
1000
Freezing point in C
0
Boiling point in C
100
How do you get Kelvin from C
Add 273 to C
Name the types of graphs
Line, bar, and pie
How many variables are in a line graph, and which is independent?
2, X
How many variables are in a bar graph?
1
How fast do we fall
9.8 m/second squared
How many quarks are in protons and neutrons?
3
What are the quark charges in a proton?
2 positive (each charge is 2/3) 1 negative (-1/3)
What is the neutron quark charge
2 negative, 1 positive
What is the electron distribution?
2,8,18,32,32,18,8,2
What is the valence level?
The outermost electron orbit
What are the four universal forces?
Gravity, electromagnetic, weak, and strong.
What is the electron cloud?
The area where the electrons are.
How do you find neutrons?
Subtract the number of protons from the mass number of that atom.
What is the atomic mass?
The decimal
What is the mass number?
The whole number
What are the helper particles for the four forces?
Strong - gluons
Weak - wisboson
EM - photon
Gravity - graviton
What is plank time?
When the four universal forces were together.
