How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Examine how a battery can be made from everyday materials.

Science fair project that uses iodine vapors to develop latent fingerprints on a non-porous object.

In this fun experiment, we'll find out how color affects heat absorption!

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

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

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

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.

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

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!

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

Learn how different types of soil affect how animal tracks form in this experiment!

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

This experiment will examine and precisely measure the amount of sugar in various sodas.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

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.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.