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

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!

Making your own glass cleaner is easy, effective and inexpensive!

This science fair project idea explores whether talking to a plant will help it grow.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

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

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

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

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Teach your child how butter is created by shaking up cream the old-fashioned way.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

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

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

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!

Learn with makes water molecules work with this fun and easy science activity!

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.

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

An home science experiment for older students that teaches about the science behind heat.

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.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!