Review for Unit 2 test tomorrow

1

• What is the Big Bang?

2

• How old is the Universe?

3

• Where in a planetary system do gas planets form?

4

• What are super clusters made up of?

5

• Which particles make up protons?

6

• Which Galaxy are we part of?

8

• How big is the Milky Way?

9

• What is the size range of stars we talked about in class?

10

• Where in a planetary system will rocky planets form?

11

• What was the universe filled with immediately after the big bang?

12

• How big was the Universe when it first formed?

13

• What is fusion and what does it do?

• Match the term/vocab

14

• The Universe was infinitely small and infinitely dense at this time.

15

• Earliest time that can be described by physics.

16

• 3 forces exist in Nature.

17

• Size of the Universe increases drastically.

18

• 4 forces in nature

19

• Proton and Neutron production full speed

20

• Electrons and Positrons form

21

• Helium & Deuterium form

22

• End of radiation domination of Universe

23

• Galaxies and other large structures begin to form.

24

• You are taking this test

• Short answer

25

• Difference between observable universe and the Universe.