Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

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.

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

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

In this science fair project, students use the streak test to tell minerals apart from each other.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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

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

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

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

It's easy to plant your own in-home container garden! This planter contains pizza-themed herbs and is a perfect early gardening activity for kindergarteners.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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

This science fair project teaches students the differences between fruits and vegetables.

Use pepper and soap to discover some fun facts about the properties of water.

Make edible amber fossils with your second grader to explore the fascinating world of science!

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Using a toy race car kids create a visual model of the Doppler Effect.