In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

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

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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!

This science fair project idea explores how water and ice can change the form of rocks.

The objective of this sociologically-inclined experiment is to evaluate whether kids' toy preferences are hardwired or develop as they grow.

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

In this science fair project, high school students will try to determine the mathematical patterns in JS Bach's two movement preludes and fugues.

This science fair project idea explores whether certain physical and mental traits run in the family.

This experiment will explore how manipulating a graph of historical information might reveal new information about data.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

Multiple-choice test questions can be confusing. Here's a toolbox of tricks and strategies to help your teen become a multiple-choice master.

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.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

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

Research information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

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

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

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.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.