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What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

This science fair project idea demonstrates that plants give off water.

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

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

This science fair project idea experiments with spinning color wheels and optical illusions.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Teach your child about healthy foods and how to make a meal that is good for them with this fun activity that you both can do together.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

This basketball project explores the best way to make the perfect shot every time.