In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

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

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Construct and experiment with a periscope using reflected light rays to gather an image.

In this experiment a spectrometer is used to analyze the light emitted by burning ion solutions.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

Science fair project that builds a magnetometer and demonstrate its uses.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

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

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

This science fair project idea uses the process of chemical weathering to change a mineral.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

This project involves the programming and development of a 3D Rubik's Cube application using C++.

Science fair project that uses distillation to convert salt water into fresh water.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

In this design challenge, your child will make a bottle rocket using typical household items.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

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