This science fair project idea determines what household items are good conductors of electricity.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

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

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Take a dive into the candy jar with this yummy science experiment.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science experiment tests if dog saliva can really help heal wounds.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Find out which kind of bubble wrap fares best when put in impact.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.