This science fair project idea examines liquids of different densities.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

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.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

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.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

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 science fair project idea explores the egg's thin membrane.

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

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

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.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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.