Baseball
We're Reed and Nick and baseball is our game! We've heard our coach use the term "sweet spot" when we're at bat. That's when player hits the ball at just the right spot on the bat-and whoosh!-the ball goes really, really far. Since we each use different kinds of bats, we wondered: is the sweet spot on an aluminum bat the same as the sweet spot on a wood bat?
How would you investigate this question?
Controlling variables in a human performance investigations is tricky. There are a lot of other variables to pay attention to, as well. Select the one or two variables you are most interested in, find ways to vary them, and try to keep everything else constant. Describe your investigation in your notebook and discuss it with your teacher, or go to Baseball to learn what Reed and Nick discovered.