In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

Can cells be frozen? This science fair project provides information to answer this question.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Use a dichotomous key to identify plants or animals.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

This science fair project investigates what type of cookie sheet bakes the best cookies.

Explore the wattage of microwaves in relevance to cooking time.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

In this fun experiment, we'll find out how color affects heat absorption!

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

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

In this science fair project, students test how objects float and sink in liquids of different densities.

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

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves