This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Create groups of volunteers based on frequency of playing video games. Compare driving records. Analyze data, interpret findings.

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

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This science fair project idea discovers the effect of (high) heat on animal cells.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

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

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

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

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

In this art project, budding entomologists will create a larger than life, moveable puppet version of a praying mantis.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Here's how you and your teen can stage your own formal debateâbeyond arguing why chores are unethical! Formal debates improve teens' critical thinking skills.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

The objective of this experiment is to evaluate the effects of acid rain on plants.

This science fair project idea identifies and understands adaptations in birds.