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

This simple experiment serves as an introduction to the greenhouse effect.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

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 study the photosynthesis process and demonstrate the important role that leaves play in the process.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

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!

Teach your child how butter is created by shaking up cream the old-fashioned way.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

In this activity your child will create their very own marble maze!

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.