Earth Science

6. The typical temperature and weather variations in a general geographic area.
7. A period of increasing illumination of the Moon’s surface.
8. The cyclical change in Earth’s temperature and climate due to the tilt of Earth’s axis.
13. Tides achieving higher high tides and lower low tides.
14. The increase in temperatures due to greenhouse gases in the Earth’s atmosphere.
17. The period when the length of daylight and night time hours are equal.
20. The attractive force between two celestial bodies.
21. Tides achieving higher low tides and lower high tides.
22. Sun, Moon and Earth alignment, when the Moon shadow blocks the Sun
23. The motion of a planet as it travels around the Sun.
24. Imaginary line joining the North and South poles.

1. The darkest inner section of a shadow.
2. The angle of 23.50 the Earth’s axis makes from the vertical
3. The act of creating new offspring for the continuation of a species.
4. The lighter outer shadow formed from overlapping light sources.
5. The spinning of a planet (or moon) on its axis.
9. Imaginary line dividing the Earth into 2 hemispheres.
10. The period when daylight hours are longest and night time hours are shortest.
11. Sun, Earth and Moon alignment, when the Earth’s shadow blocks the Moo
12. A period of decreasing illumination of the Moon’s surface.
13. The early onset of spring resulting in shorter periods of winter.
15. A period of reduced energy consumption and rest to avoid cold temperatures.
16. The act of moving to a new location to seek out food supplies or avoid poor weather.
18. The rise and fall of Earth’s waters due to gravitational attraction of the Sun and Moon.
19. The day to day changes in temperature, rainfall and humidity, etc.