This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This science fair project idea provides evidence that air is everywhere and takes up space.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

This project examines what types of objects burn and which burn faster and cleaner.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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

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

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

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

This science fair project examines how seeds hitchhike on animals and clothing.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.