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

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

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

This project researches whether the type of land use affects the water quality of Queenstown Creek.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

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.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.

In this project students experiment with making music using only glasses of water.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

This science fair project idea determines if family members can recognize one another using only the sense of smell.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

This simple activity is not only fun, it's also a useful way to organize children's closets — and offer kids some autonomy to boot.

With this activity, not only will you be experimenting with giving accurate information, you'll also teach your child how to write good scientific procedures.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

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!

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Can you think of a way of cleaning dirty water using the sun? In this activity, you will be making a "solar still" that is able to do just that!

Children use their design thinking skills and powers of observation to create and construct a bird nest.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.