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Science year 2 > Earth and Beyond > Flashcards

Earth and Beyond Flashcards

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Biology 101 flashcards
1
Q

What is a galaxy?

A

A large group of stars.

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2
Q

What is a planet?

A

A large round object in space that moves around a star.

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3
Q

What planet do we live on?

A

Earth

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4
Q

How many planets are in the solar system?

A

8 planets

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5
Q

What is a star?

A

An object in space with its own light.

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6
Q

What is the sun?

A

A large bright object in the sky that gives us light. It is our nearest star. It is at the center of the solar system.

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7
Q

What is the universe?

A

All the known and unknown worlds and galaxies in space.

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8
Q

What is the milky way?

A

A small galaxy in which our sun, the earth and our moon are part of.

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9
Q

What is the solar system?

A

A group of planets which earth is part of, moons, comets and asteroids spinning around our sun.

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10
Q

What are orbits?

A

Large circular paths that the planets travel in around the sun.

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11
Q

Which is the largest planet in our solar system?

A

Jupiter

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12
Q

Name the planets in order from the one closest to the sun.

A

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

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13
Q

Which planet is farthest from the sun?

A

Neptune

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14
Q

How many hours does it take for the earth to spin on its own axis?

A

24 hours (1 day)

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15
Q

Does the sun move?

A

No

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16
Q

In which season is the sun highest at 12 noon?

A

In summer

17
Q

What shape is the sun, the earth and the moon?

A

Spherical (like a ball)

18
Q

How long does it take the earth to orbit around the sun?

A

365 days (1 year)

19
Q

How fast does the Earth spin?

A

1000 km per hour

20
Q

Before clocks were invented, how could one tell the time?

A

Using a sundial

21
Q

What is an eclipse?

A

When the sun, the moon and the Earth are in a straight line.

22
Q

What is a lunar eclipse?

A

The Earth is in between the sun and the moon and the earth casts a shadow on the moon.

23
Q

What is a solar eclipse?

A

The moon is between the sun and the earth and the moon casts a shadow on the earth.

24
Q

What is day?

A

At any time half the Earth faces the sun.

25
Q

What is night?

A

When the other half of the Earth is facing away from the sun. It receives no light.

26
Q

Who was the first clown in space?

A

Canadian Circus owner Guy Laliberte

27
Q

How long does it take for the moon to to orbit the Earth?

A

28 days

28
Q

When is there a new moon?

A

When the darker side of the moon is facing the Earth.

29
Q

When is there a half moon?

A

When we can see part of the sunlit side of the moon.

30
Q

When is there a full moon?

A

When we can see all of the sunlit side of the moon.

Science year 2 (11 decks)

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