P8

Question 1

How is a star formed?

Answer 1

From a cloud if gas and dust called a nebula fusing together

Question 2

What does Hydrogen nuclei fuse to make

Answer 2

Helium

Question 3

What is the stable period of a star?

Answer 3

Main Sequencs

Question 4

What happens when hydrogen fuel runs out?

Answer 4

The star of expands to form a red giant

Question 5

What happens when a red giant runs out of helium?

Answer 5

It becomes a hit white dwarf

Question 6

What is formed after the white dwarf?

Answer 6

Once the white dwarf cools the black dwarf is formed

Question 7

What is a supernova?

Answer 7

When the largest suns explode and produces elements heavier than iron

Question 8

What is a black hole?

Answer 8

What the supernova leaves behind

Question 9

What evidence is there for the Universe expanding?

Answer 9

Light from distance galaxies is being red shifted meaning that the further away a galaxy is the faster it is moving away from us

Question 10

What evidence is there for the Big Bang Theory?

Answer 10

Observing red-shift in distant galaxies