This science fair project idea identifies trees using a dichotomous key.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

This science fair project idea determines which method of hand cleansing is the most effective.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

In this project, a magnet is used to collect iron from breakfast cereals.

In this science project, the center of gravity is explored.

In this project, waves of vibrations are experimented with using water in glasses.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science fair project idea investigates whether air has mass and weight.

Find out whether matte or shiny nail polish lasts longer.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project idea produces varying pitches of sound.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea explores the different properties of matter.

This science fair project idea determines if family members can recognize one another using only the sense of smell.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

The purpose of this science fair project is to build a basic radio.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.