First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Follow in the footsteps of movie character legends as you walk your little one through the steps of becoming a junior archaeologist.

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

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

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

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Hunt for natureâs treasure, the many different products made by trees!

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

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 science fair project idea experiments with spinning color wheels and optical illusions.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project allows students to study the psychology of happiness.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.