Motions of the Earth
Q.1. What are the two kinds of motions Earth has?
Q.2. What is rotation?
Q.3. What is the inclination of the earth’s axis?
Q.4. What is a circle of illumination?
Q.5. How do days and nights occur on earth?
Q.6. What is dusk or twilight?
Q.7. What are the effects of rotation?
Q.8. What is revolution?
Q.9. What is a Leap Year and what is the leap day?
Q.10. Describe the change in seasons?
Q.11. What are the effects of the Revolution?
Q.12. Describe the position of the sun on 21 June?
Q.13. Which position is called summer solstice?
Q.14. Describe the position of the sun on 22 December?
Q.15. Which position is called the winter solstice?
Q.16. Describe the position of the sun on 21 March?
Q.17. Describe the position of the sun on 23 September?
Q.18. When do we face equal day and night in the Northern Hemisphere?
Q.19. When do we face equal day and night in the Southern Hemisphere?
Q.20. Which is the longest day in the Northern Hemisphere?
Q.21. Which is the longest day in the Southern Hemisphere?
Q.22. Which is the shortest day in the Northern Hemisphere?
Q.23. Which is the shortest day in the Southern Hemisphere?
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