Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

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

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

In this science fair project, students make their own rain gauge to measure rainfall.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

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

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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

Is it a square or a circle? See if you can trick your friends with this zany science project!

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

In this activity, your child will be challenged to make a tower using paper cups.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

This science fair project idea studies how talking on a cell phone affect driving?

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.