Astronomy

Question 1

What is the solar system

Answer 1

It consists of the sun, the 8 planets and their moons and billions of smaller celestial objects and all orbit the sun

Question 2

Order of the solar system

Answer 2

1. Mercury
2. Venus
3. Earth
4. Mars
5. Jupiter
6. Saturn
7. Uranus
8. Neptune

Question 3

Biggest planet in the solar system

Answer 3

Jupiter

Question 4

Smallest planet

Answer 4

Mercury

Question 5

What are gas giants

Answer 5

They are far away from the sun, large in size, composed mostly of hydrogen and helium and are called the outer planet of the solar system

Question 6

What are Terrestrial planets

Answer 6

Close to the sun, small in size, made up of a solid surfaces, composed of rock and iron and are the inner planets of the solar system

Question 7

What is the sun?

Answer 7

is a star composed of hot gases that radiates large amount of energy

Question 8

What does the word “LUMINOUS” mean ?

Answer 8

producing light

Question 9

The sun layers and their characteristics

Answer 9

Core: the hottest part of the sun and is where all energy is generated through nuclear
Radiative zone: surrounding the core it’s where the sun’s energy gets transported through radiation
Photosphere: glowing ball light is the photosphere
Chromosphere: the innner atmosphere

Question 10

What is the distance between the Earth and the Sun in km?

Answer 10

One Au = 150million km

Question 11

What is the moon?

Answer 11

A natural satilite

Question 12

What is the distance between the Earth and the moon in km?

Answer 12

384,000km

Question 13

Phases of the moon – names, shading

Answer 13

First quarter, waxing crescent, new moon, waning crescent, third quarter, waning gibbous, full moon, waxing gibbous

Question 14

Why do we see different phases of the moon from the surface of the Earth?

Answer 14

The moon is lit up by reflecting the sun’s light and that side does always face the earth

Question 15

Moon and the tides – why do we have high and low tides?

Answer 15

due to the moon’s gravitanational pull it pulls the earth’s

Question 16

What does the word “non-luminous” mean?

Answer 16

Not emitting or producing it’s own light

Question 17

What is the lunar eclipse

Answer 17

When the Earth lines up directly between the Sun and the Moon , it blocks the Sun’s light from reaching the Moon

Question 18

what is the solar eclipse

Answer 18

It’s where the moon blocks out the sun from reaching the earth

Question 19

How are solar and lunar eclipse different?

Answer 19

Different celestial objects blocks the sun and moon

Question 20

What is the order of the celestial objects in each of them (as per the worksheet from class - all 5)

Question 21

What is the Big Bang theory

Answer 21

it state that 14 billion years ago the universe was a single point and was extremely hot

Question 22

WHAT IS LIGHT POLLUTION AND HOW DOES IT AFFECT US?

Answer 22

Light pollution is when excessive or inappropriate use of outdoor artificial it affects confuse our body’s internal clock the helps day and night activities and affects

Question 23

HELIOCENTRIC/GEOCENTRIC MODEL What is the location of the Sun/Earth?

Question 24

HELIOCENTRIC/GEOCENTRIC MODEL
What are they?

Answer 24

That everything is rotates around the sun

Question 25

what is orbital period

Answer 25

The time is take for the earth to orbit

Question 26

How long does it take the Earth to orbit the sun?

Answer 26

365 days and 6 hours

Question 27

What is revolution?

Answer 27

the period of time it take for the earth to go around the sun

Question 28

How is revolution different from rotation?

Answer 28

refers to an object’s spinning motion about its own axis revolution refers the object’s orbital motion around another object.

Question 29

What are the consequences of revolution

Answer 29

Cause the seasons to change

Question 30

What are the consequences of rotation?

Answer 30

Cause day and night cycle