In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this science fair project, young children notice and track changes in trees throughout the year.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Science fair project that examines condensation and the conditions needed in order for dew to form.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project idea investigates if fats add to the flavor of food.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

This science fair project will help students learn about non-vascular plants, such as mosses.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.