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.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This biodiversity project examines the biodiversity in your own backyard.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Use the textures found in nature to create your own stationery! This fun, outdoor activity will no doubt inspire your child's creative side.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

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.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

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!

This easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

Who knew that nature could get so crafty? Show your kindergartener how to collect and morph pinecones into a whole team of personalized pinecone people.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

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

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.