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Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

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

Make a lei and bring a touch of the tropical lifestyle into your home!

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

Have your child make a special mobile inspired by the weather outside. Learn about seasons, the environment, and art in 3D.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

In this science fair project, students make their own rain gauge to measure rainfall.

Science fair project that determines whether mass and weight are the same or different.

Help your preschooler craft a homemade wind spinning device--a surefire to make your backyard sparkle, and teach her a bit about weather!

This project will examine the relationship between materials and air resistance.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Show your teen how to make her own beeswax lip balm. It's one of the simplest do-it-yourself activities, and it's fun to make!

Is it a square or a circle? See if you can trick your friends with this zany science project!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

What happens when colored beams of light mix? You might be surprised.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Examine how a battery can be made from everyday materials.

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?

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water