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 explores how far the âdanger zoneâ is from different types of caution signs.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

This project will examine the relationship between materials and air resistance.

Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

This science fair project will help students learn about non-vascular plants, such as mosses.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

This experiment determines the distribution of darts around a bulls eye to simulate the probability of an electron's location in its own cloud of electrons.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

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!

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

Introduce your child to science with something they see everyday--their shadow!

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.