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

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

This science fair project idea tests the efficiency of short term memory.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

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

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This science fair project teaches students about wilting and browning of salad greens.

This science fair project idea determines effective strategies to help students stay awake and attentive.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Here's a simple science activity that will help your child better understand how wells bring us water.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.