Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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

This science fair project idea explores the different properties & interactions of sugar molecules.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

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

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

This science fair project idea investigates how color affects temperature.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

In this fun experiment, we'll find out how color affects heat absorption!

This science fair project idea investigates whether plants can survive being frozen.

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

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

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

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

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

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

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.