This classic children's game demonstrates how sound travels through air vs. through a solid.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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.

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

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

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

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

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

This science fair project idea studies how talking on a cell phone affect driving?

The purpose of this science fair project is to build a basic radio.

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

Here's an investigative activity in which your child will discover real-world names and uses for sugar and find out how it is hidden in many different foods.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

This kids' activity is fun to perform and impressive to watch. Plus, it's a great example of Newton's First Law of Motion at work.

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

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

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 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.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

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

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.