Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

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!

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

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.

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

This activity is a fun way for your first grader to learn about how veggies help your body while being creative with art and drama. Here's how to get started.

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.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

Make "fossils" with your child to hide in the sandbox or at the park or the beach, to help your child explore his archaeological side.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

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

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

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).

Engineers in training can get started with this simple wheel-and-axle construction activity.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

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

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!

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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

Help your child add some flair to the family garden with pencil pinwheels!

Use sticks and stones to create create an outdoor version of tic-tac-toe!

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!