Chapter 21: Temperature, Heat, and Expansion

TEMPERATURE

Converting Between Temperature Scales
You read that the temperature in Paris is 20 degrees Celsius. What is this value in degrees Fahrenheit? This page from USA TODAY will show you how to convert between Celsius and Fahrenheit.

Thermometers and Thermostats
How does a thermometer work? How does a thermostat regulate temperature? Find out the answers to these and other questions in this page from Louis A. Bloomfield's online book How Things Work.

Temperature and Absolute Zero
Why do some things feel hot and others feel cold? What is absolute zero? Find out in this lesson from the Physics 2000 site maintained by the University of Colorado at Boulder.

About Temperature
What is temperature? What is a thermometer? What is heat? Find out the answers to these fundamental questions in this tutorial written by Beverly Lynds from Project Skymath. The source of this material is the Unidata Web sites and the University Corporation for Atmospheric Research (UCAR).

HEAT

Is Heat Energy?
Is there such a thing as heat energy? Read the response to this question written by Chris Capobianco of the University of Arizona, Tuscon for the MAD Scientist Network.

Wood Stoves
What is heat? What actually flows from a hot body to a cold body? Find out the answers to these and other questions in this page from Louis A. Bloomfield's online book How Things Work.

MEASUREMENT OF HEAT

Calories Burned Calculator
Ready to start your diet? This calorie calculator calculates the amount of calories you burn through physical exercise.

Oh Nuts! Calories Count
How many calories does a peanut have? Find out by burning one. Warning! This lab activity should be done with parent/teacher supervision.

Unit 3: Learning Links
Chapter 21, Chapter 22, Chapter 23, Chapter 24