Crossword Puzzle Science

5. galileo Galilei was an Italian polymath. Galileo is a central figure in the transition from natural philosophy to modern scien
7. the time or date (twice each year) at which the sun crosses the celestial equator, when day and night are of equal length (about September 22 and March 20).
8. of, on, or relating to the earth.
9. a great circle on the celestial sphere representing the sun's apparent path during the year, so called because lunar and solar eclipses can occur only when the moon crosses it.
11. the equinox in autumn, on about September 22 in the northern hemisphere and March 20 in the southern hemisphere.
14. term for equinoctial point.
15. the coldest season of the year, in the northern hemisphere from December to February and in the southern hemisphere from June

1. the equinox in spring, on about March 20 in the northern hemisphere and September 22 in the southern hemisphere.
2. The land surface of the world.
3. of or during the day.
4. either of the two times in the year, the summer solstice and the winter solstice, when the sun reaches its highest or lowest point in the sky at noon, marked by the longest and shortest days.
6. Of or relating to the sky or the heavens: Planets are celestial bodies.
10. an imaginary line drawn around the earth equally distant from both poles, dividing the earth into northern and southern hemispheres and constituting the parallel of latitude 0°
12. the SI unit of force. It is equal to the force that would give a mass of one kilogram an acceleration of one meter per second
13. the warmest season of the year, in the northern hemisphere from June to August and in the southern hemisphere from December