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.

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

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

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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!

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

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

This surprisingly good glue recipe comes from common kitchen items.

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

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

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

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

Introduce your child to science with something they see everyday--their shadow!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

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

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

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

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

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