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

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Use pepper and soap to discover some fun facts about the properties of water.

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

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

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

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

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!