Sky Science #2 Flashcards

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0
Q

Fact about the Troposhere

A

Were weather happens

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1
Q

What are the layers of the atmosphere?

A
Troposphere 
Stratosphere 
Mesosphere 
Ionosphere*
Exosphere*
*Part of the Thermosphere
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2
Q

Fact about the Stratosphere

A

It contains the ozone layer

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3
Q

Fact about the Mesosphere

A

Protects us from meteors

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4
Q

Fact about the Thermosphere

A

Hottest layer, contains fewest air molecules

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5
Q

Fact about Ionosphere

A

Northern Lights are caused by electrically charged ions

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6
Q

Fact about Exosphere

A

Where satellites orbit

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7
Q

Why are we the only known planet to support life?

A

We are the perfect distance from the sun
We have an atmosphere to protect us
We have breathable air

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8
Q

What does Emit mean?

A

To give off light

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9
Q

What does reflect mean?

A

To reflect light

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10
Q

What emits?

A

Stars

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11
Q

What reflects?

A

Planets

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12
Q

Why shouldn’t you look at the sun with your naked eye?

A

Looking at the sun with your naked eye could lead to blindness

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13
Q

What are two safe ways to view the sun?

A

Solar glasses

Pinhole camera

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14
Q

Why does the sun appear to be moving across the sky?

A

Because we rotate every 24 hours.

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15
Q

What causes day and night.

A

Day and night are caused by the Earth rotating on its axis.

16
Q

What is the difference between direct rays and indirect rays from the sun? What causes the rays to become slanted?

A

Direct rays are warmer then indirect rays

They are caused because of the tilt of the axis

17
Q

What are two reasons that Earth experiences four different seasons each year?

A

Direct rays and indirect rays

Tilt of axis and revolution around the sun

18
Q

When do the spring and fall equinoxes occur

When do the summer and winter solstices occur

A

Equinoxes: Sept. 21 (Fall) March 21 (Spring)
Solstices: Dec. 21 (Winter) June 21 (Summer)

19
Q

How do seasons compare in the northern and southern hemisphere?

A

The seasons are always the opposite in the different hemisphere.
Winter in North = Summer in South