The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

This science fair project idea demonstrates how our fingers prune when in water.

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

This experiment will explore whether fractals really repeat themselves infinitely.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This science fair project idea explores whether certain physical and mental traits run in the family.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

This experiment explores the most common colors that appear among a sample of crossbred guppies.