The Big Bang Theory Flashcards
What does theory mean?
It’s an idea based on research
How long ago was the Big Bang theory?
Around 13.8 billion years ago
What was the Big Bang theory?
It was a violent explosion of regular which resulted in the universe
What is the sun?
Its a star which is a massive glowing ball of hydrogen gas in the middle of the sky
What does the sun do?
It gives off energy as electromagnetic radiation
At the suns centre what do the hydrogen atoms do?
They collide together at great temperature and pressure so that they fuse to form atoms of helium
When was planet earth formed?
4.5 billion years ago when dust and gases came together
How was the moon formed?
It was formed after a large rock struck earth gravity pulled the rockes together
What’s the atmosphere?
A later of gases around earth
How were oceans made?
They were made from cooled water vapour
What is an evolution?
A proses that changes over time
What does fact mean?
Something we know to be true
What are the order of the planets?
Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
What makes up the solar system?
The sun, moon and planets
