Materials

- balance
- modeling clay
- tiles
- tub
- water

Procedures

- Find the mass of the clay.
- Shape the clay into a boat.
- Put as many tiles as you can without sink the boat.
- Find the mass of the tiles.
- Calculate the ratio of tiles and boat.

Analysis

1. Will the boat carry more or less tiles in salt water? Explain. ???

2. Explain aerodynamics in terms of surf, turbulent, buoyancy, and weight. ???