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

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

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

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

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

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

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

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

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

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

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.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Have your child kick off their summer vacation by making a miniature water slide!

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.