Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Determine whether the application of Febreeze will lower the bacterial count.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Topped with roasted pumpkin, prosciutto, herbs, and feta, these pita pizzas are a healthy, seasonal alternative to your classic pie.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

This project explores whether music affects the growth and health of plants.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Science fair project that creates fog using bottles of hot and cold water.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

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.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Examine the connection between temperature and chemiluminescence.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.