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Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Construct and experiment with a periscope using reflected light rays to gather an image.

The purpose of this science fair project is to build a basic radio.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

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

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Do different types of oil mix or stack? Find out in this science fair project idea!

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.