This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This science fair project idea explores whether talking to a plant will help it grow.

In this project, a mnemonic is used to test how it increases memory.

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

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

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.

Learn whether writing things down really makes things easier to remember.

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

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

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

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

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

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

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.