Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Help your child make a beautiful homemade sandcastle that will last!

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Make edible amber fossils with your second grader to explore the fascinating world of science!

Construct and experiment with a periscope using reflected light rays to gather an image.

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

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

In this science fair project, students make their own rain gauge to measure rainfall.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!