Module 1

Question 1

Most accepted theory of the origin of the universe

Answer 1

Big bang theory

Question 2

Bigbang started with ______ observation

Answer 2

Edwin hubble

Question 3

2 observations of edwin hubble

Answer 3

1.milky way is not the only galaxy
2. Galaxies are in constant motion

Question 4

The birth of the big bang theory was Georges Lamaitre and his question

Answer 4

How did the universe start

Question 5

Quarks form

Answer 5

Protons and neutrons

Question 6

Phases of the big bang theory

Answer 6

1. Boiling soup
2. Superhot fog
3. Form atoms
4. Galaxy formation era
5. First dying star

Question 7

Explain “Boiling soup” phase

Answer 7

a. rapid cool off
b. Quarks form proton and neutron

Question 8

Explain “superhot fog” phase

Answer 8

A. Heated proton and electron hinder light
B. First light elements were created

Question 9

First light elements created

Answer 9

Deuterium, lithium, helium

Question 10

Explain “form atoms” phase

Answer 10

First and second elements are produced (hydrogen and helium)

Question 11

Explain “galaxy formation era” phase

Answer 11

Hydrogen and helium form giant clouds that became the galaxies and stars

Question 12

What produced heavy elements

Answer 12

Dying stars or the supernova

Question 13

Subatomic particles of an atom

Answer 13

Proton, neutron and electron

Question 14

Big bang theory timeline

Answer 14

• singularity era
• bigbang and inflation
• formation of matter and antimatter
• annihilation
• cooling down
• nucleosynthesis
• recombination
• dark ages
• formation of cosmic body

Question 15

Stable form of hydrogen

Answer 15

Deuterium

Question 16

Combines nucleus to larger nucleous

Answer 16

Nuclear fussion

Question 17

Splits nucleus into smaller nuclei

Answer 17

Nuclear fission

Question 18

Radio active type of hydrogen

Answer 18

Tritium

Question 19

Formation of light elements

Answer 19

Big bang nucleosynthesis

Question 20

Formation of elements 4(Li) to 26(Fe)

Answer 20

Stellar nucleosynthesis

Question 21

Formation of elements 27(Co) and other

Answer 21

Supernova nucleosynthesis

Question 22

Atomic theory of atom

Answer 22

John Dalton

Question 23

Atomic theory, electrons and plum pudding model

Answer 23

J.J Thompson

Question 24

Atomic theory, protons at the center of atom

Answer 24

Ernest Rutherford

Question 25

Atomic theory, electron shells/energy levels

Answer 25

Neils Bohr

Question 26

Atomic theory, neutrons and nucleus

Answer 26

James Chadwick

Question 27

Atomic theory, electron as waves and in cloud like movements

Answer 27

erwin shrodingher

Question 28

it is a neutral atom when

Answer 28

theres no net charge

Question 29

anion

Answer 29

negative charge

Question 30

cation

Answer 30

positive charge

Question 31

Atoms that have the same number of proton but different number of neutrons

Answer 31

Isotopes

Question 32

trace amount in earth

Answer 32

Technitium

Question 33

Where is technitium naturally found

Answer 33

Red giant stars

Question 34

proton is equal to

Answer 34

atomic number and electrons

Question 35

Neutrons is

Answer 35

Mass number - protons

Question 36

Electrons and Protons are

Answer 36

Mass number - neutrons

Question 37

mass number is

Answer 37

Protons + Neutrons

Question 38

Left or right Bombardment of alpha particle

Answer 38

Left, because its addition

Question 39

Left or right, Loss of alpha particle

Answer 39

Right, because loss

Question 40

Left or right, Electron capture

Answer 40

Left, because drawing electron into atom’s nucleus

Question 41

Left or right, Beta decay

Answer 41

Right, because its a loss of beta

Question 42

Gamma release

Answer 42

Gama radiation

Question 43

Proton into a neutron

Answer 43

Positron emmision

Question 44

Nuclear reactions that have change in elements

Answer 44

Alpha, positron, beta

Question 45

Nuclear reaction with no change

Answer 45

Gama