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

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This project investigates the affect of storage temperature on microwave popcorn.

This science fair project idea explores the egg's thin membrane.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This project determines what category of person is most likely to be ticklish.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

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

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

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

This science fair project idea explores how length affects the weight a bridge can hold.

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

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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 optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project investigates why the number of visible stars changes from place to place.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea investigates the difference in reaction times between boys and girls.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

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

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.