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

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

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

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science research project challenges students to think of more effective lobster farming methods.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

This science fair project idea produces varying pitches of sound.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Help your child plant a "tea garden": a garden made of herbs for making teas.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

Science fair project that determines whether mass and weight are the same or different.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!