This science fair project idea produces sounds by creating vibrations using different objects.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

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

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

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

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

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!

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science fair project idea experiments with spinning color wheels and optical illusions.

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

This science project allows students to study the psychology of happiness.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

This science fair project idea provides evidence that air is everywhere and takes up space.

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 projects, students will grow out the bacteria that collect on air conditioner filters.