Reasons For The Seasons Flashcards

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1
Q

What causes seasons?

A

The tilt of the Earth tips different parts of the planet away or towards the Sun.

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2
Q

What does the Earth revolve around?

A

The Sun

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3
Q

How long does it take for Earth to complete an orbit?

A

365.25 days

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4
Q

What direction is the Earths axis tilted?

A

23.5 degrees

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5
Q

Winter Solstice

A

The shortest day of the year, less amount of sun, sun is lower.

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6
Q

Autumnal and Vernal Equinox

A

Day and night are the same time length.

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7
Q

Summer Solstice

A

Sun is highest in the sky, more sunlight, longest day of the year.

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8
Q

Equinox

A

Equal night

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9
Q

If Earths orbit takes 365.25 days, what happens to the 0.25?

A

Every four years, it makes another day. We add that day to February, and call it a leap year.

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10
Q

How many hours does it take for Earth to rotate?

A

24 hours

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11
Q

What’s the average distance between the Sun and the Earth?

A

149 600 000 km

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12
Q

Aphelion

A

When the Earth is farthest from the Sun

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13
Q

Perihelion

A

When the Earth is closest to the Sun

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14
Q

Solar eclipse

A

When the Moon is between the Sun and a part of Earth

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15
Q

Why shouldn’t you look at the sun directly?

A

Because looking at the sun could trigger the back vein in your eye and make you blind

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16
Q

Shadow

A

When the rays of a sun or a light source are blocked by an opaque object

17
Q

List some things shadows can do!

A

Create entertainment, provide shade, early clocks

18
Q

What happens to shadows when the rises and sets?

A

The shadow when the sun rises grows shorter, and when the sun sets, the shadows grow longer.

19
Q

Sundial

A

A timepiece that helped people in the early days to tell the time

20
Q

Direct sun rays

A

Shines a smaller area around you.

21
Q

Slanted rays

A

Shines a larger area around you.

22
Q

What are the order of the planets?

A

M, V, E, Mars, J, S