This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Construct and experiment with a periscope using reflected light rays to gather an image.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

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

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

In this project, waves of vibrations are experimented with using water in glasses.

The project investigates how friction affects motion by using different surface textures.

In this design challenge, your child will make a bottle rocket using typical household items.

In this design challenge, your child will create a parachute for a small toy using typical household items.

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

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

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

In this science fair project you will make a model of a cell membrane using very simple material.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

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.

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

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

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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