Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

This science fair project idea explores the different properties of matter.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Science fair project that uses iodine vapors to develop latent fingerprints on a non-porous object.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This science fair project idea demonstrates the process of land erosion.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

This science fair project collects information on the Internet about yourself and others.