STUDY GUIDE FOR SUN QUIZ
STUDY GUIDE FOR EARTH QUIZ
➢ Be able to label the four layers of the Earth.
Size
• About 4 times the diameter of the moon (8,000 miles across)
• Much smaller than the sun
Position
• 3rd planet from the sun; one of the four rocky inner planets
• One of eight total planets that revolve around the sun and comprise the solar system
• About 150 million kilometers from the sun
Unique Properties
• Axial Tilt: As the Earth revolves around the sun, the axial tilt of Earth causes the seasons
• Ability to support life because of its water and oxygen
Motion
• Rotation: Earth spinning on its axis: 1 rotation = 24 hours
• Revolution: Earth orbiting around the sun; 1 revolution = 365 days
Structure
• Geologically active and the surface is constantly changing
• Has a lot of water and oxygen to support life; about 70% of the earth is covered with water
• Has a protective atmosphere that blocks out most of the sun’s harmful rays
• 4 Layers: Crust, Mantle, Outer Core, Inner Core
STUDY GUIDE FOR EARTH QUIZ
➢ Be able to label the four layers of the Earth.
Size
• About 4 times the diameter of the moon (8,000 miles across)
• Much smaller than the sun
Position
• 3rd planet from the sun; one of the four rocky inner planets
• One of eight total planets that revolve around the sun and comprise the solar system
• About 150 million kilometers from the sun
Unique Properties
• Axial Tilt: As the Earth revolves around the sun, the axial tilt of Earth causes the seasons
• Ability to support life because of its water and oxygen
Motion
• Rotation: Earth spinning on its axis: 1 rotation = 24 hours
• Revolution: Earth orbiting around the sun; 1 revolution = 365 days
Structure
• Geologically active and the surface is constantly changing
• Has a lot of water and oxygen to support life; about 70% of the earth is covered with water
• Has a protective atmosphere that blocks out most of the sun’s harmful rays
• 4 Layers: Crust, Mantle, Outer Core, Inner Core
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