This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

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.

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!

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

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

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

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.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Your child can use Styrofoam, green paint and toothpicks to create her own cactus plant sculpture.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Here's a pressed leaf card project that puts science and writing together for your second grader.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

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