Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

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

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

Word color association is just a fancy way to talk about the way we connect colors with words.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

This science fair project idea investigates whether air has mass and weight.

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

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

In this project, a basketball containing different psi is dropped to see how well it bounces.