Build a Better Birdbath
After a birdbath mishap, Ruff wonders if a different column would make it stronger. Which shape would support the most weight?
Materials
Directions
Print the column templates and construct three different shaped columns — a square, a triangle, and a circle.
On a hard surface, stand the three columns on end. Can you predict which shape is the strongest?
Place a book on top of the first column to create a birdbath platform. Now place the same book on the second and third columns. Did any of the columns support the book?
Try placing two or three books on the remaining columns. To keep the weight equal, stack the same books on each column. Which was the strongest? Was your prediction correct?
Remember: Columns are the most stable with a balanced load. Place the books evenly on top of each column.
Literacy
Math
Science