Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Do you think heat can affect a plant's growth rate?

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project idea determines if the color of light affects the growth of plants.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea explores the different properties & interactions of sugar molecules.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Learn whether writing things down really makes things easier to remember.

Plants and light seem to be good buddies, but how far does the friendship really go?

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This science fair project idea investigates whether plants can survive being frozen.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

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

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.