Book #3 and #4 Flashcards
What is one fact about the Troposphere:
- Weather is formed here.
What is one fact about the Stratosphere:
- Ozone layer
2. Jet stream
What is one fact about the Mesosphere:
- Protection of meteors
2. Coldest layer
What is one fact about the Thermosphere:
- Hottest layer
2. Least amount of air mollucus
What is one fact about the Ionosphere:
- Electrically charged ion
2. Northern lights form
What is one fact about the Exosphere:
- Satellites orbit here
What is 3 reasons why our planet Earth is the only planet in the solar system that we know supports life?
- Liquid water
- Breathable atmosphere
- Right distance from the sun (temperature)
What does Emit mean:
- Gives of/ creates light
Example: Sun and Stars
What does Reflect mean:
- Light bounces off
Example: Moon, Planets, Comets, Meteors
Why is it harmful to look at the sun with your naked eye?
1.UV rays can cause permanent damage to your eyes
What are 2 safe methods for viewing the sun?
- Pinhole camera
2. Welders mask
What positions do the Earth, the moon and the sun have to be in for a partial eclipse?
Earth Moon Sun
Why does the sun appear to move across the sky each day?
- Earths rotation
What cause day and night?
- The rotation of the Earth
What is the Difference between “direct” and “indirect” from the sun?
- Direct rays are stronger
2. Indirect rays are cooler