How well can people recall what they have observed. Test your knowledge in this fun 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.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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

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

This science fair project teaches students the differences between fruits and vegetables.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

How do organic materials become soil? This science experiment measures what materials biodegrade.

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

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

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This science fair project idea provides evidence that air is everywhere and takes up space.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.