Every year at the Passover Seder, the Ten Plagues are mentioned as part of the ritual. Have your kid draw the plagues to help him remember their importance.

Have the children play a more active role in the Seder by helping them prepare paper puppets that represent the ten plagues.

Help your kids map the "global footprint" of your family's grocery cart by investigating how far your food travels before landing on your dinner table.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.