Solve these clues to fill the grid.
- The periodic rise and fall of the sea level under the gravitational pull of the moon
- 3 Across
- A natural body of running water flowing on or under the earth
- 5 Across
- Clear liquid we drink that falls as rain
- 7 Across
- To bring into existence
- 8 Across
- A push or a pull
- 9 Across
- Something that is oriented ___
- 11 Across
- To descend in free fall under the influence of gravity
- 13 Across
- Strength or the ability to control things
- 14 Across
- A body of water surrounded by land
- 1 Down
- Long stream of water flowing to the sea
- 2 Down
- Female parent of an animal especially domestic livestock
- 4 Down
- A car that is powered by ___
- 6 Down
- A place where a river or stream drops over a steep edge.
- 7 Down
- To change location
- 10 Down
- The power to do work or make things move
- 12 Down
- One of a series of ridges that moves across the surface of a liquid
- 15 Down