Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

Making your own glass cleaner is easy, effective and inexpensive!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

How powerful is the reaction between baking soda and vinegar? Find out here!

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science fair project teaches students the differences between fruits and vegetables.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

In this science fair project, students create their own miniature salt flats at home.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

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

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This project examines whether playing music during class helps students learn or if it distracts students from learning.