Solar Insolation

2. Either of the two days each year when the Sun reaches its highest or lowest point in the sky at noon (longest and shortest days of the year).
8. The spinning of Earth on its axis (takes 24 hours and causes day and night).
9. Lines that measure how far north or south a location is from the equator.
11. The time of day when the Sun is highest in the sky for a specific location.
13. The point in the sky directly above your head at 90.
15. How strong or concentrated something is (like how powerful sunlight feels in one spot).

1. The four parts of the year caused by Earth’s tilt and movement around the Sun.
3. Either of the two days each year when day and night are about equal in length everywhere on Earth.
4. The amount of sunlight energy that reaches a specific area on Earth’s surface.
5. The length of time something lasts (like how many hours of daylight there are).
6. The measure of how tilted or slanted something is (like the angle at which sunlight hits Earth).
7. An imaginary line around the middle of Earth that divides it into the Northern and Southern Hemispheres.
10. How something appears to look or move, even if it isn’t actually doing that (like the Sun appearing to move across the sky).
12. The height of an object in the sky, measured from the horizon (how high the Sun is).
14. The movement of Earth as it travels around the Sun (takes one year).