Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!

This science fair project idea determines if the color of light affects the growth of plants.

This science fair project idea determines the most effective method of preserving food.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

Make a kindergarten "discovery table" that reinforces both science and writing skills. Here's how:

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

This science fair project idea explores which fruit molds the fastest.

This easy at-home experiment is a great way to "see" science.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This science fair project idea explores the different properties & interactions of sugar molecules.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

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.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.