Test whether plants can grow without sunlight and water.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Help your child celebrate the summer and the sun by making a sandy seascape.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

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

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

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

This science fair project idea demonstrates that plants give off water.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Do different types of oil mix or stack? Find out in this science fair project idea!

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

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

This project examines whether people's taste perception is influenced by what they see.

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 determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

In this project children practice the scientific method while playing with puffy paint.

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

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

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

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.