In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

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

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science fair project idea investigates whether plants can survive being frozen.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

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

In this experiment we will be determining whether birds prefer certain colors of seed.

Find out whether putting something on top of a plant will inhibit its growth.

This science fair project idea examines liquids of different densities.

This science fair project idea explores the different properties & interactions of sugar molecules.

This science fair project idea explores whether talking to a plant will help it grow.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

In this project students experiment with making music using only glasses of water.