Vocab
What does constantly mean?
always, continuously, over and over
Why do scientists call the Big Bang a "theory"?
Because it is supported by strong evidence
personal answer: it is an informed guess
What is the opposite of a synonym?
Antonym
What is the opposite of an antonym?
Synonym
What does the word process mean?
a series of steps or actions
What do scientists believe the universe looked like before the Big Bang?
A tiny, dense ball of matter.
What is a synonym?
A synonym is a word that means precisely or nearly the same as another word.
What is an antonym?
a word of opposite meaning
What does expand mean?
to increase in size, grow, spread
Astronomer is to stars as biologist is to _________.
organisms
What are two synonyms for the word: constantly?
always, continually, repeatedly
What are two antonyms for the word: constantly
rarely, sometimes, occasionally
What is an astronomer?
An astronomer is a scientist who studies astronomy - the heavenly bodies outside of Earth.
Why does Tim compare the Big Bang theory to raisin bread?
Because galaxies in the universe move apart like raisins in baking bread
What are two synonyms for the word: expand?
grow, spread, increase
What are two antonyms for the word: expand?
shrink, decrease, reduce
What is the Big Bang Theory?
The universe was a tiny ball until it exploded sending matter, space, and time flying in all directions.
What evidence from radio telescopes supports the Big Bang theory?
Leftover light from 14 billion years ago
What are two synonyms for the word: process?
events, actions, procedure, operation, activity
What are two antonyms for the word: process?
inactivity, stillness