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

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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.

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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

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

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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.

Cleaning can be a chore, but not with this sudsy experiment!

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

This science fair project teaches students about wilting and browning of salad greens.