Help your child learn about animal classification with this fun and delicious activity.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This simple experiment serves as an introduction to the greenhouse effect.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Challenge your learner to design and build a city of their own in this creative engineering activity.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

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!

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.