Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

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!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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

In this activity your child will create their very own marble maze!

Discover whether cold or hot water from the faucet will boil faster on the stove.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Discover whether a metal will expand under hot water.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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!

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

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

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.