Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

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.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

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

Slip some science into storm watching with a homemade rain gauge!

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

Is your child a young ornithologist in the making?

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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

Create a self-portrait from natural materials in this collage craft activity!

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

This science fair project idea compares biodiversity between drops of water.

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

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!

In this fun activity, your child will create their very own solar oven to bake s'mores!