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physics term 3 year 7 > L1 > Flashcards

L1 Flashcards

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1
Q

In our solar system, how many planets do we have?

A

8.

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2
Q

In our solar system, how many stars do we have?

A

1, the sun.

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3
Q

What two groups are the 8 planets split into?

A

The terrestrial planets and the Jovian planets.

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4
Q

What are the terrestrial planets like?

A

They are the smaller planets and they are (mainly) made of rock. They are also more dense than the Jovian planets as they are made of rock.

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5
Q

What are the Jovian planets like?

A

They are the bigger planets and they are (mainly) made of gas, hydrogen and helium. They are also less dense than the terrestrial planets because they are made of gas.

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6
Q

What are the names of our planets? (In order).

A

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

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7
Q

What separates the terrestrial planets and the Jovian planets?

A

The asteroid belt.

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8
Q

What surrounds our solar system?

A

The Kuiper belt.

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9
Q

What is outside of our solar system?

A

Our galaxy, the Milky Way.

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10
Q

Can you describe Mercury’s relationship in size and where it is located in our solar system?

A

This is the smallest planet in our solar system and it is also the closest to the sun. It has a diameter of 5 million meters and it is 45 billion meters away from the sun.

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11
Q

Can you describe Venus’ relationship in size and where it is located in our solar system?

A

This is the third smallest planet in our solar system and it is also the second closest to the sun. It has a diameter of 12 million meters and it is 108 billion meters away from the sun.

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12
Q

Can you describe Earth’s relationship in size and where it is located in our solar system?

A

This is the fourth smallest planet in our solar system (it is also the planet we live in) and it is also the third closest to the sun. It has a diameter of 12 million meters and it is 152 billion meters away from the sun.

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13
Q

Can you describe Mars’ relationship in size and where it is located in our solar system?

A

This is the second smallest planet in our solar system and it is also the fourth closest to the sun. It has a diameter of 7 million meters and it is 228 billion meters away from the sun.

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14
Q

Can you describe Jupiter’s relationship in size and where it is located in our solar system?

A

This is the biggest planet in our solar system and it is also the fourth furthest away from the sun. It has a diameter of 140 million meters and it is 778 billion meters away from the sun.

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15
Q

Can you describe Saturn’s relationship in size and where it is located in our solar system?

A

This is the second biggest planet in our solar system and it is also the third furthest away from the sun. It has a diameter of 116 million meters and it is 1434 billion meters away from the sun.

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16
Q

Can you describe Urnaus’ relationship in size and where it is located in our solar system?

A

This is the third biggest planet in our solar system and it is also the second furthest away from the sun. It has a diameter of 51 million meters and it is 2871 billion meters away from the sun.

17
Q

Can you describe Neptune’s relationship in size and where it is located in our solar system?

A

This is the fourth biggest planet in our solar system and it is also the furthest away from the sun. It has a diameter of 49 million meters and it is 4495 billion meters away from the sun.

18
Q

What do you need to make a good scientific graph?

A

Correct type of graph drawn, X axis labelled correctly, Y axis labelled correctly, Units correct, Axes scaled correctly, Data plotted correctly, Graph at least 50% of the paper, Descriptive title given.

19
Q

In physics, what do we use to compare the size of objects?

A

Symbols.

20
Q

What does ‘>’ mean?

A

Greater than.

21
Q

What does ‘»’ mean?

A

Much greater than (at least 10 times bigger).

22
Q

What does ‘<’ mean?

A

Less than.

23
Q

What does ‘«’ mean?

A

Much less than (at least 10 times smaller).

24
Q

Mass wise, how many times can the Earth fit into the sun?

A

333,000.

25
Q

Diameter wise, how many times can the Earth fit into the sun?

A

109.

26
Q

Mass wise, how many times can the moon fit into the Earth?

A

81.

27
Q

Diameter wise, how many times can the moon fit into the Earth?

A

3.7.

28
Q

Diameter wise, what is the distance between the Earth and the sun?

A

11,772 Earths.

29
Q

Diameter wise, what is the distance between the Earth and the moon?

A

30 Earths.

30
Q

Using symbols how can we compare the sizes and distances for the sun, moon and Earth?

A

The moon < Earth &laquo_space;The distance from the Earth to the moon < The sun &laquo_space;The distance from Earth to the sun.

physics term 3 year 7 (6 decks)

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