Across
- 3. the movement of deep, cold, and nutrient-rich water to the surface.
- 6. the short-term state of the atmosphere.
Down
- 1. a collection of stars, dust, and gas bound together by gravity.
- 2. the movement of air caused by differences in air pressure.
- 4. an event in which the shadow of one celestial body falls on another.
- 5. a periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium.
- 7. the periodic rise and fall of the water level in the oceans and other large bodies of water.