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Science > Year 8 > Flashcards

Year 8 Flashcards

1
Q

What are the 8 planets in the correct order

A

Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune

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2
Q

What is the difference between a natural satellite and an artificial satellite

A

Examples of natural satellites are the Earth and the moon. The earth rotates around the sun and the moon rotates around the earth.A man made satellite is a machine that is launched into space and orbits around a body in soace

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3
Q

What is the earths only satelite

A

Moon

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4
Q

What keeps a satellite in orbit

A

Gravity

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5
Q

What are some of the main uses of artificial satellites

A

Satellite television
Phone calls
Weather forecasting
Tracking storm and pollution

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6
Q

Identify some of the major constellations in the night sky

A

The big dipper/Ursa major ‘the great bear’

The Little Dipper/Ursa minor ‘The minor bear’

Orion ‘the hunter’

Taurus ‘the bull’

Gemini, the twins

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7
Q

Units of length

A

M
Mm
Km
Cm

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8
Q

Units of time

A

Mins
Hrs
Secs

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9
Q

Units of mass

A

Grams
Kg

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10
Q

Units of temp

A

Degrees celciu

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11
Q

Units of volume

A

Ml
Mm 3
L
M 3

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12
Q

What measurement is a ruler

A

Distance

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13
Q

I’m what season is the 18 of march

A

Spring

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14
Q

What is a blue moon

A

A blue moon is a phenomenon whereby the moon appears blueish owing to smoke or dust particles in the atmosphere

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15
Q

True or false

In winter, the sun spends less time in the sky than summer

A

True

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16
Q

True or false

In summer, the suns rays are concentrated onto a bigger one

A

False

17
Q

What are the two different paths a star can take

A

If it is huge then it will turn into a massive star then a red supergiant then a supernova, it can either turn into a black hole or a neutron star

If it is a smaller star then it will start as an average star then after around 10 billion years turn into a red giant, next a planetary nebula, lastly a white dwarf

Science (3 decks)

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