Unit 3 - Space

Question 1

Name three supporting facts that the Big Bang actually happened

Answer 1

1. Background microwave radiation (BMR) 2. Some galaxies are red shifted 3. The whole sky would be bright

Question 2

Name the two types of telescopes and how they work

Answer 2

REFLECTIVE - reflects light off of mirrors into the eyepiece. REFRACTIVE - refracts light down a single tube into the eyepiece

Question 3

How long does it take the earth to revolve around the sun once

Answer 3

365.something days. I hope you got this one right….

Question 4

Mars is to red as Jupiter is to…

Answer 4

Large ;)

Question 5

Name the four terrestrial planets

Answer 5

Mercury Venus Earth Mars

Question 6

Name the four gas giant planets

Answer 6

Jupiter Saturn Uranus Neptune

Question 7

Where is the moon during a solar eclipse?

Answer 7

Between the sun and the earth

Question 8

Where is the moon during a lunar eclipse?

Answer 8

Behind the earth

Question 9

What is one AU called, and how long is one?

Answer 9

Astronomical unit. Its distance is from the centre of the earth to the centre of the sun.

Question 10

List these star colours in order from HOTTEST to COLDEST: White Yellow Red Blue Orange

Answer 10

HOTTEST ———— Blue White Yellow Orange Red ———— COLDEST

Question 11

Fill in the blanks: Stars larger than our sun produce _________ light energy than our sun, while smaller stars produce _______ light.

Answer 11

More Less

Question 12

When a star about 30 times the mass of the sun dies, the resulting core is called a ________ ________.

Answer 12

A black hole

Question 13

Fill in the blanks: A yellow star (Such as out sun) has a surface temp. of _______ degrees C. A red star has a surface temp. of ________ degrees C, and a blue star has a surface temp. of __________ to ________ degrees C.

Answer 13

Yellow star - 6000 degrees C Red star - 3000 degrees C Blue star - 20,000 to 35,000 degrees C

Question 14

What a star about 10 times the mass of the sun dies, the resulting core is called a _________ _________.

Answer 14

A Neutron star

Question 15

When a star the size of our sun dies, the resulting core is called a _______ _______ and is hotter than red or yellow stars.

Answer 15

White Dwarf

Question 16

Where do all stars begin their lives?

Answer 16

Inside a nebula, which is a huge cloud of dusts and gases.

Question 17

How are stars born?

Answer 17

Inside a nebula, the dusts and gases swirl around, form into clumps, and their gravity starts to attract more clumps. When enough clumps have gone together, the temperature rises, and at 10,000,000 degrees C nuclear fusion starts and the star is born.

Question 18

Name the 8 moon phases, starting with a new moon.

Answer 18

New moon Waxing crescent First quarter Waxing gibbous Full moon Waning gibbous Last quarter Waning crescent

Question 19

Which planet is the hottest? Which is the coldest? (Pluto doesn’t count)

Answer 19

Hottest - Venus Coldest - Neptune

Question 20

What moon phase is this?

Answer 20

First Quarter

Question 21

What moon Phase is this?

Answer 21

Third quarter

Question 22

What moon phase is this?

Answer 22

New Moon

Question 23

What moon phase is this?

Answer 23

Waxing gibbous

Question 24

What moon phase is this?

Answer 24

Waning gibbous

Question 25

What moon phase is this?

Answer 25

Full moon /*I hope to god you got this one right*/

Question 26

What moon phase is this?

Answer 26

Waxing crescent

Question 27

What moon phase is this?

Answer 27

Waning crescent