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Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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

In this science fair project, students create their own miniature salt flats at home.

In this science fair project, students investigate how different colors influence appetite.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.

Describe the lives of commercially raised chickens. Contact local chicken farmers for information and advice. Write a detailed report about farming techniques.

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

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

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

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

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

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

This project researches whether the type of land use affects the water quality of Queenstown Creek.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

Science fair project that determines which foods and drinks contain the highest amount of glucose.

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.