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The next time you are planning a Mexican-inspired menu, let your child contribute with a batch of this guacamole! Here's how.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Kids will get a kick out of shopping for discounted "kicks" with this creative math game that focuses on percentages.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

Discover which fabrics shrink the most in the wash and why.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

Children will learn about food waste and conservation, create a poster that lets others know about the importance of food conservation, and make a plan to waste less food and consume with mindfulness.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

This project is about after-images and what possibly affects them.

This science fair project idea will be examining oxidation and acid rain

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

This science fair project idea explores the fastest average speed a human can talk.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

This cause and effect activity brings the fun of card games and comprehension practice together in an innovative way!

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This science fair experiment examines the relationship between gender, age, and smiling.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.