For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

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.

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

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

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

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

Discover whether cold or hot water from the faucet will boil faster on the stove.

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 fair project idea determines which method of hand cleansing is the most effective.

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

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

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

This science fair project idea compares biodiversity between drops of water.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

This science fair project idea determines what household items are good conductors of electricity.

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 science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.