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

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

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.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Introduce your child to science with something they see everyday--their shadow!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea determines which method of hand cleansing is the most effective.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

This science fair project teaches students about wilting and browning of salad greens.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.