The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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.

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

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

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 fair project idea shows how a vibrating object transfers energy to whatever it touches.

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

Explore concepts in current and coltage with these Van de Graaff generator experiments.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

This science fair project idea demonstrates sonar mapping of the ocean floor.

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

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

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.

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.

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

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

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Take the plunge into handcrafting with this neat and tidy soap recipe. Here's how to create your own personalized soap.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!