Across
- 1. Consider the question, "what is the effect of mass on acceleration?" What is the independent variable.
- 4. On a cold winter day, the ecliptic will be very ___________
- 6. The arch-shaped (rainbow) path the Sun takes through the sky.
- 9. The ___________ plane is the invisible shelf that all the planets sit on, making them line up?
- 10. Because the Earth is really far away from the Sun, the lines of light are almost perfectly _______________.
- 14. What season is it if the sun's altitude is very low causing its energy to be very indirect and spread out?
- 16. The winter ___________ marks the first day of want and is the shortest day of the year
- 17. During OUR summer solstice, the Sun is 90 degrees above the tropic of _____________
- 18. If the northern hemisphere is pointed TOWARDS the Sun, what season will it be in Centralia
- 19. The tilt of the Earth causes each hemisphere to receive DIFFERENT amounts of direct ____________ at different times of the year!
- 20. These are the two days a year where day and night are the same length
- 22. The force that pulls masses towards one another
- 23. Is there ever a "no shadow" day in Centralia?
- 26. If you drop a cannon ball and a baseball from a tall tower, which one will hit the ground first due to Earth's gravity?
- 27. if the Southern hemisphere is pointed TOWARDS the Sun, what season will it be in Centralia
Down
- 2. Which hemisphere receives more sunlight during fall/spring
- 3. To explain the reasons for seasons, lunar phases and eclipses, you MUST understand that light from the Sun hits Earth in ____________ and parallel lines
- 4. ___________ noon is the time of the day when the sun is at its highest point in the sky
- 5. If the distance between two objects increases, the strength of gravity pulling them together will:
- 7. If the Earth had no _________, we would not have seasons
- 8. The ANGLE of the Sun (or moon!) from the Earth. NOT how far away the Sun is!!!
- 11. What is it called when one object moves in a circular orbit around another
- 12. Which variable is the "effect" that a scientist observes/ measures
- 13. During a hot, summer day, The sun's energy will be very direct and ______________
- 15. The sun always sets in this direction
- 21. If you make a shadow plot and it looks like a straight line, what season could it be?
- 24. If conditions are perfect, the gravity of a planet or star may pull another object into a circular path around itself called an: _________________
- 25. What is it called when one object spins around its own axis?