Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.

This science fair project teaches students about wilting and browning of salad greens.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

Here's a science activity to help your child investigate how seeds are designed to travel.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

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

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

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

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.