This science project allows students to study the psychology of happiness.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

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

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

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.