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Science Form 1 > Earth And Space > Flashcards

Earth And Space Flashcards

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1
Q

Describe how the earth moves

A

It orbits the sun and spins on its axis

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2
Q

what way does the earth spin on its axis

A

Anti-clockwise

When viewed from above the North Pole

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3
Q

How long does it take for the earth to orbit the sun

A

1 year

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4
Q

How long does it take for the earth to spin 360 degrees on its axis

A

24 hours/ 1day

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5
Q

Where does the sun rise first
Australia
America

A

Australia

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6
Q

What can you use to model the earth as it orbits the sun

A

A polystyrene ball
A pin
A small light bulb

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7
Q

If one half of the earth is experiencing day what is the other half experiencing

A

Night

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8
Q

Which way is the North Pole facing in summer

A

Towards the sun

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9
Q

Which way is the North Pole facing in winter

A

Away from the sun

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10
Q

What are the two phases of the moons cycle

A

Waning and waxing

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11
Q

How many times can the moon orbit the earth in one year

A

12 times

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12
Q

How long is a lunar month

A

28 days

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13
Q

Why is there a lack of progress in space travel

A 
Too expensive
Not enough fuel
Danger possibly not returning 
Very hostile environment 
Very long journey times
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14
Q

What is Easter Sunday

A

First Sunday after the first full moon after the spring equinox

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15
Q

When was the Hubble space telescope launched

A

1990

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16
Q

When was the first telescope invented

A

1609

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17
Q

Who invented the telescope

A

Galileo galilee

The Italian inventor

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18
Q

Which lens is used as the objective lens

Stronger or weaker

A

Weaker

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19
Q

What are the pioneer plaques

A

They are gold anodised aluminium plaques placed onboard two spacecrafts

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20
Q

On what space crafts were the pioneer plaques launched on

A

Pioneer 10 and pioneer 11

21
Q

When was the pioneer 10 launched

A

1972

22
Q

When was pioneer 11 launched

A

1973

23
Q

What does the radial pattern on the left of the plaques show

A

The pattern shows the distance of different pulsars from the sun

24
Q

What does the picture of the man and woman show

A

This shows what humans look like

25
Q

At the bottom of the plaques there is a schematic diagram of a solar system
What will this tell other life forms

A

This lets them find our planet when they enter the solar system

26
Q

What does a body need to qualify as a planet

A

It must orbit around the sun
It must be large enough to take on a nearly round shape
It must have cleared its orbit of all other objects

27
Q

Planets in order from the sun

A 
Mercury 
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
28
Q

What is the sun

A

It is a star

29
Q

What is Jupiter

A

A gas giant and the biggest planet in our solar system

30
Q

What is mercury

A

Mercury is the smallest

31
Q

What is Venus

A

Venus is the hottest planet

32
Q

What is earth

A

It is the planet we live on

33
Q

What is mars

A

The red planet

34
Q

What is Saturn

A

A planet with large visible Icy rings and a gas giant

35
Q

What is Uranus

A

A gas giant

36
Q

What is Neptune

A

It is a gas giant and the furthest planet from the sun

37
Q

How many planets are there

A

Eight planets

38
Q

What orbits between mars and Jupiter

A

The asteroid belt

39
Q

Where is the sun

A

In the centre of our solar system

40
Q

What is a mnemonic to remember the planets in order from the sun

A 
My 
Very
Eager 
Mother
Just
Served
Us
Nachos
41
Q

What are the planets sizes in relation to earth

A 
Mercury - 0.38
Venus - 0.95
Earth - 1
Mars - 0.53
Jupiter - 11
Saturn - 9.4
Uranus - 4.1
Neptune - 3.1
42
Q

What are the planets distance from the sun on millions of km

A 
Mercury - 58
Venus - 108
Earth - 150
Mars - 228
Jupiter - 778
Saturn - 1427
Uranus - 2870
Neptune - 4497
43
Q

What is the planets surface temperatures in degrees Celsius

A 
Mercury- 450
Venus - 500
Earth - 20
Mars - -40
Jupiter - -150
Saturn - -160
Uranus - -220
Neptune - -230
44
Q

What is the planets length of a year

A 
Mercury is 88 Earth days
Venus is 225 Earth days 
Earth is 365 Earth days
Mars is 687 Earth days
Jupiter is 11.9 Earth years
Saturn is 29.5 Earth years
Uranus is 84 Earth years
Neptune is 165 Earth years
45
Q

What did we use for our rocket timing practical

A

A timer
A rocket
A launcher

46
Q

What did we do in our rocket timing practical

A 
We launched the rocket
Timed how long it stayed in the air
Recorded our time
Repeated this 6 times 
Calculated average 
Calculated class average
47
Q

What is our galaxy made of

A

Our galaxy is made up of millions of stars rocks and dust

48
Q

What is the universe made of

A

Billions of galaxies

Science Form 1 (6 decks)

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