Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This project compares the strength of one, two, and three-ply toilet paper.

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.

Discover how and which salt melts ice the quickest.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

In this science fair project, young children notice and track changes in trees throughout the year.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

This project examines whether and what associations exist between numbers and letters and colors.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

Fibonacci sequences have been observed throughout nature, like in leaves and flowers. In this project, students find examples of the Fibonacci sequence.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Have your child kick off their summer vacation by making a miniature water slide!

This science fair project idea determines what household items are good conductors of electricity.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

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