1. Physics A First Course
Matter and Energy
Chapter 7

2. Matter and Energy Temperature, Energy, and Matter
7.1 The Nature of Matter
7.2 Temperature and the Phases of Matter
7.3 What is Heat?
7.4 Heat Transfer

3. Chapter 7.1 Objectives and Vocabulary
Describe the nature of matter at the atomic level.
Explain how Brownian motion supports the theory that matter is made of tiny, invisible particles.
Distinguish between elements, compounds, and mixtures.
element
atom
compound
molecule
mixture

5. 7B Investigation: Energy and Phase Changes
Key Question:
How much energy is involved when matter changes phase?
*Students read text section 7.2 AFTER Investigation 7B

6. 7B Investigation Topics
Measure mass.
Measure temperature.
Mix materials of different temperatures.
Calculate energy.
Calculate temperature changes.

7. Chapter 7.2 Objectives and Vocabulary
Convert between temperature scales.
explain the relationship between temperature and the movement of particles in a system.
Describe the relationship between temperature and states of matter.
Fahrenheit scale
Celsius scale
thermometer
solid
liquid
gas
intermolecular forces
evaporation
absolute zero
Kelvin
plasma

9. 7A Investigation: Temperature and Heat
Key Question:
How much energy is involved when matter changes phase?
*Students read text section 7.3
AFTER Investigation 7A

10. 7A Investigation Topics
Measure mass.
Measure temperature.
Mix materials of different temperatures.
Calculate energy.
Calculate temperature changes.

11. Chapter 7.3 Objectives and Vocabulary
Explain the difference between temperature and thermal energy.
Define heat.
Calculate the heat required to raise the temperature of a material.
thermal energy
heat
calories
specific heat

14. Chapter 7.4 Objectives and Vocabulary
heat conduction
thermal conductor
thermal insulator
convection
thermal radiation
Explain the three methods of heat transfer and name examples of each.
Give examples of thermal conductors and thermal insulators.
Describe the direction of heat transfer between two objects.

15. 7.4 Heat Transfer