Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

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

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

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

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

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.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

I scream, you scream, we all scream for homemade spearmint ice cream!

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

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!

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

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

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Help your child build her very own science laboratory at home for experiments and science projects. This is a quick, easy, and fun educational tool!