Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

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

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

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.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This science fair project idea explores the fastest average speed a human can talk.

This science fair project idea provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.

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

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.