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This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This experiment will examine and precisely measure the amount of sugar in various sodas.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This science fair project idea investigates how different disinfectants work in killing germs.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

In this science fair project, students examine how temperature affects sugar transport within a plant.

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea measures physical dexterity as a function of temperature.

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter