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rotation and revolution
- 1. Name: Shannon McLeod DateSubmitted: August 11, 2014 ID: B.Ed. 3750
- 2. The spinningmotion of an object on its axis
- 3. Tops, Ballerinas, Figureskaters, cyclones, Tornadoes, a merry-go-round, Earth
- 4. The movementof the earth on its axis over a 24 hour period. The speed of rotation 24,855 miles/24 hr or 1,038 miles/hr
- 5. Day andNight. ◦ As the earth rotates on the axis one half faces the sun, this half experiences day while the other half experiences night.
- 6. High andLow tides. This occurs when the earth spins and the sun and the moon pull it. One force is usually stronger than the other.
- 7. Wind speedand Direction Wind on earth comes from different direction (North, South, East and West). Different places would get stronger surge of wind as a result of the earths speed of rotation.
- 8. The movementof an object around another object
- 9. This isthe movement of the earth around the sun. It takes 365 ¼ days (one year) The speed of earth’s revolution is about 18 miles per second. Earth revolves around the sun in a slightly eccentric elliptical orbit or path once a year
- 11. Every second,that you sit in this classroom, the Earth's orbital motion carries you about 18 miles through space.
- 12. Seasonal variations(varying lengths of day and night). Summer, Winter, Autumn and Spring. Solstices and Equinoxes
- 13. The “solstice”is the day of the year when sunlight is furthest north or south of the equator Our summer solstice occurs on June 21st, the first day of summer. Our winter solstice occurs on December 21st, the first day of winter
- 16. The “equinox”occurs twice a year when the sun is directly overhead at the equator On the equinox, the hours of daylight equals the hours of darkness. Seasons in the northern & southern hemispheres are opposite
- 17. Our vernalequinox occurs around March 21st, the first day of spring Our autumnal equinox occurs around September 21st, the first day of fall
- 20. What isthe difference between rotation and revolution? Give me an example of something that revolves, and something that rotates. What type of movement causes night and day? What type of movement causes the change of seasons?
- 21. Rotation occurs whenan object spins around an axis. Revolution occurs when an object spins around another object
- 22.
- 23. The Earth’srotation
- 24. The Earth’srevolution- the angle of the sun, and the length of the day