Sky Science #2 Flashcards
Fact about the Troposhere
Were weather happens
What are the layers of the atmosphere?
Troposphere Stratosphere Mesosphere Ionosphere* Exosphere* *Part of the Thermosphere
Fact about the Stratosphere
It contains the ozone layer
Fact about the Mesosphere
Protects us from meteors
Fact about the Thermosphere
Hottest layer, contains fewest air molecules
Fact about Ionosphere
Northern Lights are caused by electrically charged ions
Fact about Exosphere
Where satellites orbit
Why are we the only known planet to support life?
We are the perfect distance from the sun
We have an atmosphere to protect us
We have breathable air
What does Emit mean?
To give off light
What does reflect mean?
To reflect light
What emits?
Stars
What reflects?
Planets
Why shouldn’t you look at the sun with your naked eye?
Looking at the sun with your naked eye could lead to blindness
What are two safe ways to view the sun?
Solar glasses
Pinhole camera
Why does the sun appear to be moving across the sky?
Because we rotate every 24 hours.
What causes day and night.
Day and night are caused by the Earth rotating on its axis.
What is the difference between direct rays and indirect rays from the sun? What causes the rays to become slanted?
Direct rays are warmer then indirect rays
They are caused because of the tilt of the axis
What are two reasons that Earth experiences four different seasons each year?
Direct rays and indirect rays
Tilt of axis and revolution around the sun
When do the spring and fall equinoxes occur
When do the summer and winter solstices occur
Equinoxes: Sept. 21 (Fall) March 21 (Spring)
Solstices: Dec. 21 (Winter) June 21 (Summer)
How do seasons compare in the northern and southern hemisphere?
The seasons are always the opposite in the different hemisphere.
Winter in North = Summer in South
