This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

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

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Engineers in training can get started with this simple wheel-and-axle construction activity.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

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.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Find out whether putting something on top of a plant will inhibit its growth.