Hold up a ball of clay about the size of a ping pong ball and ask students if they think it will sink or float in water. Place the clay in the water. Do you think that if I use ½-the amount of clay ...

But if you make the clay into an elongated trough, it floats, a bit like a soup bowl. A cargo ship is the shape that works best: long and thin with high sides. You can even load it with more weight.

At times the beef gets ridiculous and gloriously nitpicky. Today on social media Clay Travis took issue with the Buckeye coach's... beard. As he often does, Travis delivers this scattergun salvo ...

Students test the inflated bag as a possible flotation device for a model cell phone made of clay. Students will test smaller amounts of citric acid and baking soda to determine the optimum amounts ...

Each army would have the same earthenware or clay jar with a hole of exactly the same size drilled on the bottom side of the jar. In addition, each army would have a wooden (or cork) float with a rod ...