The Earth and Beyond Flashcards

1
Q

What is our nearest star?

A

The sun

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2
Q

How many planets are in our solar system?

A

8

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3
Q

What covers most of the earth?

A

Water

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4
Q

What do we call the pieces of dry land between the oceans?

A

Continents

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5
Q

What do we call the layer of air around the earth?

A

The atmosphere

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6
Q

What does the atmosphere protect us from?

A

Dangerous rays from the sun

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7
Q

What is the name of the only planet that has plants and animals?

A

Earth

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8
Q

What is often referred to as the “Blue Planet”?

A

Earth

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9
Q

What do we call the imaginary line around which the Earth spins?

A

The Earth’s axis

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10
Q

How many planets are between the Earth and the sun?

A

Two - Mercury and Venus

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11
Q

What do we call the spinning of the Earth?

A

Rotation

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12
Q

How long does one rotation of the Earth take?

A

24 hours

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13
Q

In which two ways does the Earth move?

A

Rotates around its axis and revolves around the sun

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14
Q

How long does it take the Earth to revolve around the sun?

A

365 days

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15
Q

What do we call the imaginary line that divides the Earth into Northern and Southern halves?

A

The Equator

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16
Q

What do call the part of the Earth to the north of the equator?

A

The Northern Hemisphere

17
Q

What shape is the Earth?

A

Spherical

18
Q

What is different about the rock at the centre of the Earth?

A

It is hot and molten

19
Q

What do we call areas of land surrounded by water?

A

Islands

20
Q

What do we call the surroundings in which a creature lives?

A

Its habitat

21
Q

Name some features of the Earth

A

Land with mountains and valleys, water in dams, lakes, rivers and oceans.

22
Q

What do we call the path of a planet around the sun?

A

Its orbit

23
Q

Name the planets in our solar system, in increasing order of distance from the sun.

A

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

24
Q

What are differences between stars and planets?

A

Stars are burning gas, while planets are rock or cold gas. Stars give off their own light, while planets reflect light. Stars twinkle, while the light of planets is steady

25
Q

How many times bigger than the Earth is the sun?

A

110 times

26
Q

Describe the surface of the moon?

A

Rocky with craters. No water or gas.

27
Q

What does the moon revolve around?

A

The Earth

28
Q

Name some phases of the moon.

A

new moon, crescent moon, half moon, gibbous moon, full moon

29
Q

What do we call the dents on the moon?

A

Craters

30
Q

What do we call the changing pattern of sunlight on the moon?

A

Phases of the moon

31
Q

What is a lake?

A

A large area of water that has land all around it

32
Q

What starts the energy chain?

A

Light from the sun

33
Q

Why is the sun’s heat important to the water cycle?

A

It causes water to evaporate

34
Q

How often do the phases of the moon repeat?

A

29 1/2 days