This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

This science fair project idea explores substances that cause a bubble to last longer.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project teaches students to classify different shapes of leaves.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This science fair project idea investigates the hardness property of minerals.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

This science fair project idea explores the egg's thin membrane.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project teaches students about wilting and browning of salad greens.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Learn all about balance and motion as your child designs a corn maze!

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.