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 project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

This science fair project idea examines the reason boats are shaped and engineered.

Take a dive into the candy jar with this yummy science experiment.

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

Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

Design and build a balloon rocket from an existing design. Think of the ways in which existing designs can be improved, new practical applications

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Determine how good we are at direct and indirect observation.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Science fair project that explores the phenomenon of Non-Newtonian fluids by exerting force on different materials.

This science fair project idea provides evidence that air is everywhere and takes up space.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

This science experiment has students test whether a snail moves faster on concrete or dirt.

Science fair project that illustrates the properties of black holes in space.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

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

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?