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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

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

In this project children practice the scientific method while playing with puffy paint.

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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.

In this activity your child will create their very own marble maze!

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Learn whether writing things down really makes things easier to remember.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

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

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.