This science fair project idea investigates the hardness property of minerals.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project idea outlines the principles and techniques behind paper batteries.

In this project, several food items are tested to determine whether they contain starch.

This project examines whether and what associations exist between numbers and letters and colors.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

This science fair project idea explores the fastest average speed a human can talk.

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Explore the belief in astrology as a predictive system.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Here's a pressed leaf card project that puts science and writing together for your second grader.

This science fair project idea lets you build your own wind tunnel and tests different models of paper airplane.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

Show your preschooler how to construct this very special planter for Mom. It makes a great pick-me-up, and it's easy for kids to make in a flash!

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.