[Tr] Astrology

Question 1

What are the order of the planets?

Answer 1

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune (Pluto)

Question 2

What is the order of relative size of objects in space? (Smallest to largest)

Answer 2

Comet, Asteroid, Dwarf Planet, Moon, Planet, Sun

Question 3

What is the geocentric model and who was it proposed by?

Answer 3

The geocentric model is everything (including the sun) orbited the earth, it was proposed by Ptolemy

Question 4

Nicolaus Copernicus proposed that everything orbited the sun in a circular motion, what was this called?

Answer 4

The heliocentric model

Question 5

What model did Galileo disprove and how did he do it?

Answer 5

He disproved the geocentric model by discovering moons that orbited Jupiter meaning not everything could orbit the earth

Question 6

Give one reason telescopes need lenses or mirrors to work effectively

Answer 6

Produces a higher resolution capture making it clearer.

Question 7

As temperature increases, why does pressure increase?

Answer 7

Pressure increases as there is more energy meaning the atoms move faster.

Question 8

What happens when the pressure in a sealed container becomes too great?

Answer 8

The container explodes

Question 9

What is absolute zero is degrees celcius

Answer 9

-273

Question 10

Why do spray cans have warnings like “Keep out of direct sunlight”

Answer 10

They have this as the sun heats up the can causing more energy in the container and having it possibly explode as the pressure exceeds what the container can hold.

Question 11

Finish the statement, as pressure increases, volume…

Answer 11

decreases.

Question 12

True or false, K1V1=K2V2

Answer 12

True

Question 13

Assuming you know K1, V1 and K2. How would you solve for V2?

Answer 13

V2 = (K1*V1)/K2

Question 14

What is the lifecycle of a star smaller or similar in size to the sun?

Answer 14

Nebula > Protostar > Main Sequence Star > Red Giant > Shell of gas > White Dwarf

Question 15

What is the lifecycle of a star bigger than the sun?

Answer 15

Nebula > Protostar > Massive Main Sequence Star > red supergiant > supernova > Neutron star OR black hole

Question 16

What nuclear reaction occurs in stars?

Answer 16

Nuclear Fusion

Question 17

What is the doppler effect?

Answer 17

The doppler effect is where a moving object causes waves to be manipulated. e.g, in an ambulance, as it comes closer it will sound more high pitched as the soundwaves are closer together (causing higher frequency) whilst behind it they are more spread out causing lower pitch (due to less frequency)

Question 18

What is red-shift

Answer 18

Its were the black lines in the light spectra are shifted towards red, this means its moving away from us

Question 19

Why is red-shift more common than blue-shift?

Answer 19

Red-shift is more common due to the universe always expanding meaning light is always moving away from us to fill in the gaps in the universe.

Question 20

The 1948 steady state theory suggested what?

Answer 20

That as the universe expands, new matter is created. The universe has always existed.

Question 21

The theory about that the only matter now was that matter was created billions of years ago is what when there was no matter is the?

Answer 21

The 1920’s big bang theory

Question 22

What theory agrees that the universe is expanding?

Answer 22

Big Bang and Steady State

Question 23

What theory states the universe is 13.5 billion years old

Answer 23

Big Bang

Question 24

What theory states that matter is continuously being created

Answer 24

Steady State

Question 25

What theory doesn’t state that all matter was made at the start of the universe?

Answer 25

Steady State

Question 26

What theory suggests that we can observe radiation from all of the sky left over from the beginning of the universe?

Answer 26

Big Bang

Question 27

Why is the Big Bang theory the accepted model for the creation of the universe

Answer 27

As we have discovered Cosmic Background Radiation (CBM) from the Hubble Space Telescope and the slight variations stated in the Big Bang hypothesis even if Steady State supporters said it was from distant galaxies.

Question 28

Explain (using the idea of red-shift) that the Big Bang theory is currently correct.

Answer 28

The big bang theory is currently the correct theory of the creation of the universe as if new matter was being created we would not see red-shift in the large quantities we see it in and blue-shift would also be more prevalent as new matter would move about in the universe.