Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

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

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

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.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Check out this cool science fair project on identifying rocks and minerals for kids.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

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

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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.

In this project, different brands of microwave popcorn are tested and compared.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

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

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

This science fair project idea determines which method of hand cleansing is the most effective.

Science fair project that determines whether mass and weight are the same or different.

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.

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

Discover flight initiation distance as you play around in the park with this fun bird watching project!

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

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

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