Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

Discover how and which salt melts ice the quickest.

This science fair project idea explores whether white light can be separated into different colors.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

In this fun activity, your child will create their very own solar oven to bake s'mores!

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

This science research project challenges students to think of more effective lobster farming methods.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

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

The goal of this project is to create an exciting topographical map out of dough.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.