# Heat Conduction

• What is the difference between thermal conductance and thermal resistivity?
• Why are metals good conductors of heat and electricity?
• Which metal conducts the greatest amount of heat? Why?
• What are some pros and cons for the use of aluminum, copper, and stainless steel for cookware?

Metals are used in many of our everyday objects. Take a look around your house and notice how many objects are made out of or contain metal. The kitchen is full of different metals: aluminum foil, stainless steel sinks, silver spoons, and copper pans. Pots and pans used for cooking are good examples of the properties of metal. At room temperature metals are solid and sturdy with a high melting point so they can withstand high temperatures without melting. When metals are heated up to their melting points they become malleable, or shapeable. Pots and pans come in many shapes and sizes but have one purpose, to transfer heat from the stove to the contents inside. Metals have been used to manufacture cookware because of their ability to conduct heat. Since metals are also good conductors of electricity they are widely used in the production of electrical appliances. In this experiment students will learn how different metals conduct heat.

• Aluminum, copper, & stainless steel cookware – all the same volume, i.e. 4 qt. saucepan
• Water
• Empty 2L bottles (2)
• Measuring cup
• Thermometer
• Timer
• Cooking range or hotplate
1. Fill the 2L bottles with tap water. Set aside for 2 hours at room temperature.
2. Measure 3 cups of water from a 2L bottle and pour into the first saucepan.
3. Measure the water temperature with the thermometer. Leave the thermometer in the pan.
4. Place the saucepan on a cool stovetop, set heat to medium and start the timer.
5. When the temperature of the water reaches 120°F stop the timer and record the time.
6. Repeat steps 2-5. Always use the water from the 2L bottles. Allow the stove to completely cool before each trial. For each metal perform at least 2 trials.
 Trial 1 Trial 2 Metal Initial H2O Temperature Time to 120°F Initial H2O Temperature Time to 120°F Aluminum Copper Stainless Steel

Terms/Concepts:Conductivity; Thermal conductance; Thermal resistivity; Heat transfer; Properties of metal – aluminum, stainless steel, copper

Disclaimer and Safety Precautions

Education.com provides the Science Fair Project Ideas for informational purposes only. Education.com does not make any guarantee or representation regarding the Science Fair Project Ideas and is not responsible or liable for any loss or damage, directly or indirectly, caused by your use of such information. By accessing the Science Fair Project Ideas, you waive and renounce any claims against Education.com that arise thereof. In addition, your access to Education.com's website and Science Fair Project Ideas is covered by Education.com's Privacy Policy and site Terms of Use, which include limitations on Education.com's liability.

Warning is hereby given that not all Project Ideas are appropriate for all individuals or in all circumstances. Implementation of any Science Project Idea should be undertaken only in appropriate settings and with appropriate parental or other supervision. Reading and following the safety precautions of all materials used in a project is the sole responsibility of each individual. For further information, consult your state's handbook of Science Safety.

### Add to collection

Create new collection

0

### New Collection>

0Items

What could we do to improve Education.com?

Please note: Use the Contact Us link at the bottom of our website for account-specific questions or issues.

What would make you love Education.com?