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.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

For kids who prefer to do homework flopped on a rug, this practical caddy can make all the difference!

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

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

Understanding how to add and subtract integers can be a challenge at first, but once you know how to handle the heat, it's a breeze!

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Give your child a glimpse of how another set of students approach reading by teaching him how the blind use braille.

Examine the connection between temperature and chemiluminescence.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

Do this fun art project to brighten up your home with an easy-to-make stained glass window drawing!

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

How can you get your child started if they're totally stumped? All it takes is a solid plan, man. Here's how to get started.

The perfect activity for a rainy day, or any time your little one moans, "Moooo-oom, there's nothing to do!"

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Does your child need counting help? Here's a simple game that kids can do at home to help them practice counting to two-digit numbers.

This fun craft is perfect to do in the spring, and opens up the opportunity to teach your child about birds.

This yogurt dip can do anything ranch dip can, and more! It's a healthy snack easy for kids to make...and eat.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.