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In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This biodiversity project examines the biodiversity in your own backyard.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

Create a bee garden to help shelter bees in your area.

Your preschooler is familiar with the colors in their crayon box, but can they find these colors in the world? Take them on a scavenger hunt to find out!

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

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.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

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

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

This science fair project idea examines whether boys and girls differ in reflexes.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this science fair project, students create their own miniature salt flats at home.

Find out which kind of bubble wrap fares best when put in impact.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Learn how different types of soil affect how animal tracks form in this experiment!

In this experiment we will be determining whether birds prefer certain colors of seed.

In this fun experiment, we'll find out how color affects heat absorption!

Make sourdough bread...and learn some colonial history and modern science in the process!

In this science fair project, students make their own rain gauge to measure rainfall.

In this project students experiment with making music using only glasses of water.

This science fair project idea examines which type of insulation holds in the most heat.

In this project children practice the scientific method while playing with puffy paint.

Give your science savvy kindergarten a lesson in plant science with this fun carnation experiment.

In this experiment you will replicate the mummification process by making a hot dog mummy.

In this design challenge, your child will make a bottle rocket using typical household items.