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Unit Two
Question | Answer |
---|---|
What is the Solar System? | A sun and all the bodies that revolve around it |
What is a Planet? | A large body that does not generate it’s own light |
What is a Dwarf Planet? | A smaller clasifycation of planet |
What former planet was recientlly reclasifyed as a dwarf planet? | Pluto |
What is another name for our moon? | satellite |
What is earth's position in the solar system | 3rd of 8 planets form the Sun |
How many miles does it take for the Earth to orbit around the sun? | 93 million miles |
What is the Earth's path around the sun called? | elliptical |
How far is the moon from earth? | 240,000 miles |
What fraction of the earth's size is the moon? | 1/4 |
How many days does it take for the moon to orbit the earth? | 29.5 days |
What is Solar Energy? | refers to the fact that most of the earth’s energy comes from the sun in the form of light and heat |
What is rotation? | the “spinning” of the earth on it’s axis |
What is Revolution? | the movement of the Earth around the sun every 365 ¼ days |
What does tilt mean? | Refers to the fact that the Earth’s axis is not straight up and down but is “tilted” 23 ½ degrees |
What is the Tropic Region? | regions of low latitude (or near the equator) that receive a lot of solar energy all year |
What are the Polar Regions? | areal of high latitude (near the north and south poles) that receive little sunlight |
What is the Solstice? | the two days when the earth’s tilt is at it’s greatest angle toward or away form the sun |
What is the Equinox? | Earths poles are not pointed at the sun but are exactly 90 degrees in relation to the sun |