Across
- 3. A real or imaginary straight line going through the center of an object that is spinning, or a line that divides a symmetrical shape into two equal halves.
- 4. Measures the distance north or south of the equator.
- 5. The planet on which we live on.
- 6. The star around which the planets revolve.
- 8. Sunlight that either passes through a medium—a window shade or the leaves of a tree
- 9. Sits more or less directly above Earth's north pole along our planet's rotational axis.
- 11. The verb orbit is the act of revolving around another object, usually on a circular or elliptical course.
- 12. The shortest day of the year.
- 14. Sunlight in which the path of light from the sun to the plant is a straight line.
- 15. The measure of hotness or coldness expressed in terms of any of several scales, including Fahrenheit and Celsius.
- 17. The half of the earth that lies south of the equator.
- 19. The northernmost point on the Earth, lying antipodally to the South Pole.
- 20. A fundamental change in political organization.
Down
- 1. When the sun appears the lowest in the sky, our days are shorter, and therefore our temperatures are colder.
- 2. When the northern hemisphere is tilted towards the sun.
- 7. An event in which a planet's subsolar point passes through its Equator.
- 10. The section of the Earth that is north of the Equator.
- 13. The South Pole is the southernmost point on Earth.
- 16. The action or process of rotating on or as if on an axis or center.
- 18. An equator is an imaginary line around the middle of a planet or other celestial body.
