Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Young scientists develop a hypothesis, conduct an experiment, and then revise their hypothesis to find out which common household liquids dissolve candy corn.

Most often, a collage is 2-dimensional, but instead of using paper as a base, this project uses an inexpensive pumpkin from the craft store.