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Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

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

Explore the effect of wind speed on the burning rate of a candle.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Help your child plant a "tea garden": a garden made of herbs for making teas.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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

In this science fair project, students investigate how different colors influence appetite.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

In this middle school activity, your child will learn how to press plants and create her very own herbarium, or plant library! Here's how:

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

Describe the lives of commercially raised chickens. Contact local chicken farmers for information and advice. Write a detailed report about farming techniques.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

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

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

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.