There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

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.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

In this fun activity, your child will create their very own solar oven to bake s'mores!

This science fair project idea examines which type of insulation holds in the most heat.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

Looking for a fun earth science project on continental drifts? Check out this fun science fair project idea to explore how Pangaea may have broken up.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

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

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

Explore the belief in astrology as a predictive system.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Free science fair project idea examining how different types of water affect plant germination and growth.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Science fair project that determines which foods and drinks contain the highest amount of glucose.

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

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.