Physics Module Test S2.2 Flashcards
What is time measured by
Something changing
Give an example of time passing
A plant growing
What state does universe naturally move in what is this called
Order to disorder
The arrow of time
What is entropy
The measure of disorder
Give an example of entropy
A pile of sand has high entropy
And a sand castle has low entropy
What age is the universe
13.8 billion
What entropy is the universe moving
Low entropy to high entropy
What is the speed of light
3x10(8) m/s
What is the symbol of light
C
What is the greatest achievable speed
The speed of light
What is velocity
Speed
What is the formula for distance
D=sxt
What is the formula for speed
S=D/T
What is the formula for time
T=D/S
What are you looking at if your looking back in time
The stars
What is a light year
It’s how far light travels in a year
Who was first to suggest the universe is expanding
Monsignor Georges lemaître
Who obtained experimental proof of lemaîtires theory the universe is expanding
Edwin Hubble
What is hubbles law
How the further away a galaxy is the greater it’s recessional speed
The Big Bang happened when
13.8 billion years ago
Give an account on the Big Bang
The Big Bang was what scientists believe created the universe it was a big ball of energy that exploded
What we’re the first things formed after the Big Bang
Quarks
What are the 7 quarks
Up
Down
Top
Bottom
Charm
Strange
What makes a proton
U U
D
