Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Make sourdough bread...and learn some colonial history and modern science in the process!