How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science project investigates the influence of different genres of movies on appetite.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

The objective of this experiment is to evaluate the effects of acid rain on plants.

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

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

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

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.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Explore the neural and mental mechanisms at play in mental imagery.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

The objective of this science project is to investigate patterns in fingerprints among family members.

Examine the connection between temperature and chemiluminescence.

This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Demonstrate how tracks are formed by pressing your hand into a cornmeal mixture, then reverse the process and make prints of the track.

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

This project explores what happens to a rubber band when it is heated and cooled.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This experiment evaluates if people of a specific gender or age more likely have an elevated number of taste buds, allowing them to taste what others cannot.

This project will explore whether music influences physical endurance.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.