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Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

In this project, you will observe and record changes in sunspots over two weeks.

This basketball project explores the best way to make the perfect shot every time.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Multiple-choice test questions can be confusing. Here's a toolbox of tricks and strategies to help your teen become a multiple-choice master.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

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.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

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

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

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

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

This experiment tests which gender is better at catching how a magician performs his tricks.

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!