Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

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.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

This experiment investigates if small changes in your diet can alter your basal body temperature.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Free science fair project idea examining how different types of water affect plant germination and growth.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

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.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

This experiment evaluates whether frequent texters have better finger dexterity compared to people that rarely use text messaging.

Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

How much gas is released into your stomach by your favorite beverages? This project examines which beverages produce the most gas.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.