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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Create a self-portrait from natural materials in this collage craft activity!

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

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

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

In this activity, your child will be challenged to make a tower using paper cups.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

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.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

This science fair project examines how seeds hitchhike on animals and clothing.

Make a spring collage with your child to get them outside and those creative juices flowing!

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

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

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

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

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

This science fair project idea demonstrates that plants give off water.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This classic children's game demonstrates how sound travels through air vs. through a solid.