This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

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!

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

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.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

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

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!