Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

This science fair project collects information on the Internet about yourself and others.

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.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

Check out this cool science fair project on identifying rocks and minerals for kids.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

Learn more about consumer preferences, product availability and pricing. Search ebay listings typing keywords of your choice. Interpret statistical analysis

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Find out if most people can distinguish the difference between tones on different instruments.

Will male or female hair grow faster? Find out in this science fair project idea!

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.