Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this project students experiment with making music using only glasses of water.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

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

This project determines what category of person is most likely to be ticklish.

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