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Science 07

Wonders of the Sky

TermDefinition
sun spots dark spots on the outer surface of the sun
number of miles the sun is from the earth 93,000,000
Photosphere the surface layer of the sun that we see
core very center of the sun
corona vapor blanket around the sun that is visible only during a total eclipse
many ancient people thought the sun was a... god
photosynthesis process where the sun helps plants produce food
Phrases of the Moon -new moon -crescent -first quarter -gibbous -full moon -gibbous -third quarter -crescent
Saturn -has seven rings -has at least 60 moons
Mars the "red planet"
Neptune -has a royal blue atmosphere with very strong winds -has a moon named Triton
Mercury closest planet to the sun
Earth -the brightest planet -Earth's "twin planet"
Uranus -planet tipped over to one side -discovered by Sir William Herschel
Jupiter -the largest planet -planet with Great Red Spot
What does cooled air do to take up less space? contracts
What makes up 78% of air? nitrogen
air pressure the total weight of air on an object
Troposphere the layer of the atmosphere closest to the earth and where weather occurs
ozone layer the invisible shield of gas that protects the earth
meteoroids pieces of space debris that hurtle through our atmosphere
ions atoms that have lost electrons
Aurora Borealis -another name for northern lights -seen in the Northern Hemisphere
location of the north magnetic pole North Pole
Chromosphere the atmosphere of the sun
solar eclipse when the moon is on the same level as the sun and it blocks out the sun's light
lunar eclipse when the moon travels through the earth's shadow
source of the moon's light the sun
description of a gibbous moon bulging
air pressure at sea level about 15 pounds per square inch
Mesosphere layer of atmosphere that helps protect the earth from meteoroids
Exosphere topmost layer of the atmosphere
description of two upper layers of atmosphere with very few air molecules rarefied
magnetic field a field surrounding the earth that protects the earth from harmful space particles
airglow a phenomenon that occurs in the lower regions of the thermosphere
aurora light display near the poles caused by collisions of particles from the solar wind with molecules of air
Created by: PRO Teacher dsaff