A.Materials
- Emory rods
- Recycling bucket
- Go to the beach and find the high water mark.
- Then use the emery rods and set them straight having one at the high water mark and the other pointing to the water.
- Line up the rod pointing to the water with the horizon, and use your eye to line up the top of the rod with the horizon.
- Make an imaginary line from the rod to the emory rod at the high water mark and see what number the imaginary line hits.
- Keep doing this till you get to the water.
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