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10 Cards in this Set
- Front
- Back
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Direct sunlight |
– sunlight that strikes Earth’s surface at close to a 90° angle. |
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Earth’s axis |
an imaginary line through the center of Earth that connects the North Poleto the South Pole. o Earth rotates about its axis once every 24 hours. o Earth’s axis is tilted at an angle of 23.5 degrees. |
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Equator |
an imaginary horizontal line around the middle of Earth. |
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Northern hemisphere |
the half of Earth north of the equator. |
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North Pole |
the northernmost point on Earth. |
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Indirect sunlight |
– sunlight that strikes Earth’s surface at an acute angle (less than 90 |
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Season |
one of the major divisions of the year, usually based on regular weatherchanges. o In most places, the year is divided into four seasons: winter, spring, summer, and o In tropical regions, average temperatures do not change much during the year. In autumn (fall). Each season is three months long. these regions, it is common to refer to the “rainy season” and the “dry season.” |
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Solstice |
one of two days during the year on which the direct rays of the Sun reach thefarthest from the equator. |
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Southern hemisphere |
the half of Earth south of the equator. |
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South Pole |
– the southernmost point on Earth. |
