How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

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

Check out this cool science fair project on identifying rocks and minerals for kids.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

This science fair project idea investigates how color affects temperature.

This science fair project will help students learn about non-vascular plants, such as mosses.

The project investigates which soft drink is worse for your teeth by observing the affect of soft drink on limestone.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.