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Big Bang Theory

QuestionAnswer
The Big Bang is a widely accepted theory that the Universe began from a point of singularity that expanded and continues to expand today. Approximately how long ago did this expansion occur? 13.7 billion years ago
The Singularity is defined as… A point of infinite gravity and infinite density
Which two atoms were the first atoms produced by the Big Bang (these same two atoms are also most abundant throughout the observable universe)? Hydrogen and Helium
A theory is best defined as… a logical explanation for an event that is supported with evidence
A scientific law is best defined as… a pattern in nature that can be used to predict future outcomes
Why are scientific models used in science? to represent and explain a concept
Cosmic Background Radiation is believed to be the oldest light in the Universe. This background radiation supports the Big Bang Theory as evidence of… Left over energy from early formation of the Universe
Hubble’s Law tells us… Galaxies are moving away from us at a speed that is directly proportional to their distance
A hypothesis is best defined as... A specific, testable prediction, based on observation.
What is the leading theory scientists have for the formation of the Universe? The Big Bang Theory
What formed within the first few seconds of the Big Bang? Protons, neutrons, and electrons
What formed within the first minutes after the Big Bang? Atoms
Approximately how old is our solar system? 4.9 billion years old
Which object helps us to better understand the beginnings of our Universe? galaxies
Created by: Mrs.Accetta
 

 



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