Bell Ringer Drawing 1 Drawing 2 1 In

Bell. Ringer Drawing 1 Drawing 2 1. In drawing 1, which bowl would feel warm to your hands? Which bowl would feel cool? 2. In drawing 2, which bowl would feel warm to your hands? Which bowl would feel cool? 3. A person from Seattle tells his friend from Florida that the weather in Seattle is somewhat warm. When the friend arrives for a visit, he finds that he is uncomfortably cool wearing the shorts he packed. What would be a more effective way for the person from Seattle to explain the weather?

I. Temperature and Energy A. Review – What is Kinetic Energy? Energy of a moving object QUESTION: All matter is made up of…. ? Atoms 1. Atoms are in constant motion. 2. More kinetic energy = more motion.

3. More motion = higher temperatures. Therefore… Temperature is a measure of the average ______of kinetic energy the atoms that make up something.

II. Measuring Temperature A. As a rule, objects _______ as expand increases their temperature ________. The substance in a typical thermometer is mercury OR alcohol. As the mercury gains kinetic energy, it moves faster causing the molecules to spread out (the mercury expands).

III. Converting Temperatures

Example Problems: 1. If it is 95°F outside, what is the temperature in Celsius? 35°C

Example Problems: 2. What is the temperature in Fahrenheit if it is 12°C? 53. 6°F

Example Problems: 3. What is the temperature in Kelvin if it is 48°C? 321 K

Class work: Pg. 424 Practice: 1 – 4 Define Chapter 13 Vocabulary Terms. Both Assignments go in notebook