Things I know

Question 1

What is a force?

Answer 1

A push or pull which can have an effect on an object’s speed, direction or shape

Question 2

What is a Newton meter?

Answer 2

Instrument used for measuring forces

Question 3

What is another name for a Newton meter?

Answer 3

A Newton balance

Question 4

What is a Newton (N)

Answer 4

Unit of measurement for forces

Question 5

What is a fluid?

Answer 5

A liquid or gas

Question 6

What is an exoplanet?

Answer 6

A planet outside our own solar system

Question 7

What is a planet?

Answer 7

A large space object is hi how is nut large enough to create its own light

Question 8

What is a dwarf planet?

Answer 8

A large space object, however too small to be classified as a planet

Question 9

What is an asteroid?

Answer 9

Object smaller than a dwarf planet

Question 10

What is a meteoroid?

Answer 10

Object smaller than an asteroid

Question 11

What is an Astronomical unit (AU)

Answer 11

Space is so vast, astronomers use AU for distances inside the solar system

Question 12

What is the AU from the Earth to the Sun?

Answer 12

150 million

Question 13

What is a light year?

Answer 13

The distance light travels in a year, 9.5 million billion

Question 14

What is a star?

Answer 14

A small, red dwarf which can make its own light

Question 15

What is a comet?

Answer 15

Small, icy object which displays bright tails when close to a star

Question 16

What do bigger and heavier shapes do?

Answer 16

They fall slower because the create more drag

Question 17

What shape is the Earth?

Answer 17

The Earth is a sphere

Question 18

How does a year happen?

Answer 18

It orbits around the sun every 365.25 days

Question 19

How does a leap year happen?

Answer 19

The extra 1/4 day

Question 20

How many degrees is the Earth’s spin axis

Answer 20

23 degrees

Question 21

How does Summer happen

Answer 21

The Northern Hemisphere is tilted towards the Sun, meaning days are longer because of more direct sunlight

Question 22

How does Winter happen

Answer 22

Northern Hemisphere tilted away from the Sun, days are shorter because sunlight is coming from an angle

Question 23

What imaginary line does the Earth spin round

Answer 23

Axis

Question 24

What does the axis run through

Answer 24

The North to the South Pole

Question 25

Why does the sun and other stars seem to move slowly?

Answer 25

The Earth is rotating

Question 26

What does this mean?

Answer 26

The Sun rises in the East and sets in the West

Question 27

When is the Sun at its highest point?

Answer 27

At Midday

Question 28

When are our shadows the longest?

Answer 28

In the Morning and the Evening

Question 29

How do the different seasons occur?

Answer 29

Caused by the tilt of the Earth on its axis

Question 30

What day is there equal length of day and night

Answer 30

March 21

Question 31

Where does the month come from?

Answer 31

Moon

Question 32

How are planets attracted towards the sun?

Answer 32

By gravity, which is an invisible force

Question 33

Any object that travels this way is called what?

Answer 33

A satellite

Question 34

What direction does the Moon travel?

Answer 34

Anti-clockwise

Question 35

How long does it take for the Moon to complete an orbit?

Answer 35

27.3 days

Question 36

What happens if a satellite is given too much speed?

Answer 36

It will escape into space

Question 37

What happens if a satellite has too little speed?

Answer 37

It will fall back down to Earth

Question 38

What do the changing appearance of the Moon called?

Answer 38

Its phases

Question 39

The complete cycle of 1 new moon to the next takes how many days?

Answer 39

29. 5 days

Question 40

What is the difference between these two times?

Answer 40

Because the Earth is also slowly changing position as it orbits the Sun

Question 41

When is there a half moon?

Answer 41

At 7 and 21 days

Question 42

When is there a full Moon?

Answer 42

At 14 days

Question 43

The Moon has a much tinier what compared to the Earth?

Answer 43

Mass

Question 44

What does this mean?

Answer 44

The pull of gravity is 6x weaker than the Earth’s

Question 45

The bigger the mass of a planet means…

Answer 45

The bigger its gravitational force

Question 46

What are the eight planets?

Answer 46

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

Question 47

The Sun is part of a vast system called what?

Answer 47

The Milky Way Galaxy

Question 48

What shape is it?

Answer 48

It is a spiral disc

Question 49

In light years how thick is it?

Answer 49

1,000

Question 50

In Light years how wide is it?

Answer 50

100,000

Question 51

How far from the centre are we?

Answer 51

20,000,000 light years

Question 52

How many stars does the Galaxy contain?

Answer 52

100-400 billion

Question 53

What is the % of exoplanets that the Kepler Space telescope discover

Answer 53

60%

Question 54

What years did the Kepler discover these exoplanets?

Answer 54

2009-2019

Question 55

What % of the sky did Kepler look at?

Answer 55

0.25% to a distance of 3,000 light years

Question 56

Most stars have what

Answer 56

A habitable zone

Question 57

Are mass and weight the same thing?

Answer 57

No!

Question 58

What is mass measured in?

Answer 58

KG

Question 59

Does mass change if an object is moved?

Answer 59

Nope

Question 60

How is weight measured?

Answer 60

In Newtons

Question 61

Does weight change depending on where an object is?

Answer 61

Yes

Question 62

What type of world is PSRB1257+12a?

Answer 62

A rocky world

Question 63

What % of the Earth’s mass is PSRB1257+12a

Answer 63

2%

Question 64

What fraction is it’s radius?

Answer 64

1/3 of Earth’s

Question 65

How many light years is HR2562b away?

Answer 65

110

Question 66

How much mass is it of Jupiter

Answer 66

30x the mass

Question 67

What % of a larger radius is HR2562b?

Answer 67

10%

Question 68

Where is Mars?

Answer 68

On the cold outer edge of the Sun’s habitable zone

Question 69

What form of water does Mary’s have?

Answer 69

Ice and mud