Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

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.

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

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

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.

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.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

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

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Help your child build her very own science laboratory at home for experiments and science projects. This is a quick, easy, and fun educational tool!

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.