In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

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!

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

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.

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Give your budding young observers a chance to discover simple machines at use in their own home.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

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

This science fair project investigates why the number of visible stars changes from place to place.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.