In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

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.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

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.

Travel back to the Jurassic age with this creative dinosaur activity that would make a great addition to any wall or fridge.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

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!

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.

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!

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

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

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.

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

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

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!

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!