This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.

In this project, the affects of vitamin E are observed on a rose petal.

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

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

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.

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

This science fair project idea determines the most effective method of preserving food.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea examines liquids of different densities.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

The project determines which laundry detergent is best for cleaning clothes.

Construct and experiment with a periscope using reflected light rays to gather an image.

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

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.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

This science fair project idea researches the effects of acid rain on plant growth.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

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

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

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.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.