Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

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

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

Science fair project that determines the correlation between wind direction and subsequent weather patterns.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

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

This science fair project idea determines which flower lasts the longest.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

This project explores differences in people's reactions to images in color and images in black and white.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.