Origin of life

Question 1

How did everything begin?

Answer 1

the Big Bang - an explosion made space stretch everywhere and the Universe expanded. Galaxies moved away from each other (e.g. Milky Way)

Question 2

What happened next?

Answer 2

Rock formation on Earth

Question 3

What is the rock layer of the Earth called?

Answer 3

Litosphere - formed 4,6 billion years ago

Question 4

What happened next?

Answer 4

Continental drift - the continents are still moving today

Question 5

What do continents rest on?

Answer 5

Tectonic plates

Question 6

What is the Miller experiment?

Answer 6

The first attempt at stimulating ancient Earth conditions (the ancient Earth water cycle), to test ideas about the origin of life.

Question 7

What are major elements for life (in big amount)?

Answer 7

Carbon (C), Oxygen (O), Hydrogen (H), Nitrogen (N), Calcium (Ca), …

Question 8

What do all organic compounds have?

Answer 8

Carbon-hydrogen bonds

Question 9

What are organic compounds?

Answer 9

Sugars, glycerin, amino acids and fatty acids