In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Detail the chemical properties, nutritional value, medicinal effects of garlic, Write a detailed report, prepare recipes.

Determine whether the relationship between a personâs armspan and height are genetic.

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

The objective of this experiment is to conduct a ganzfeld experiment and determine if extrasensory perception (ESP) can be observed.

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

Explore the belief in astrology as a predictive system.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

Learn about the growing app design field by designing a new or improved app for smartphones.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.