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Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

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

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

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

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

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.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

This science fair project idea determines which flower lasts the longest.

From Canada's flag, to the Toronto Maple Leafs, to classic maple syrup cookies, the maple tree is very much a part of Canadian heritage.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

This project examines the concentration of dissolved oxygen in water, with and without oil.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Do you think heat can affect a plant's growth rate?

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

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

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

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.