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

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

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

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

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.

During the Passover Seder, many Jewish families pour a cup of red wine for Elijah. This year, help your child create his own welcoming glass for Elijah.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

In this science fair project, students examine how temperature affects sugar transport within a plant.

This science fair project idea measures physical dexterity as a function of temperature.

Determine which metal has the highest rate of conductivity.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

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

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

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