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

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

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

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

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Brighten up your home with this fun activity! Make a summer sun print and teach your child the art of easy print making.

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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

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