This section describes the three ways in which heat can be transferred. It also explains what happens to solar radiation that hits Earth’s atmosphere and surface. Reading Strategy Using Prior Knowledge Before you read, write your definition for each term. After you read, write the scientific definition of each term
Name Class Date
Chapter 17 The Atmosphere: Structure and Temperature
Section 17.2 Heating the Atmosphere
This section describes the three ways in which heat can be transferred. It also
explains what happens to solar radiation that hits Earth’s atmosphere and
surface.
Reading Strategy
Using Prior Knowledge Before you read, write your definition for
each term. After you read, write the scientific definition of each term
and compare it to your original definition. For more information on
this Reading Strategy, see the Reading and Study Skills in the Skills
and Reference Handbook at the end of your textbook.
|
Term |
Your Definition |
Scientific Definition |
|
Heat |
|
|
|
Temperature |
|
|
Energy Transfer as Heat
Match each description with its mechanism of energy transfer.
Description
- transfer of heat by mass movement
or circulation within a substance - transfer of heat through matter
by molecular activity - transfer of heat without requiring
a medium to travel through
Mechanism of
Energy Transfer
- radiation
- convection
- conduction
- Circle the letter of the act of light bouncing off an object.
- absorption
- scattering
- reflection
- radiation
Earth Science Guided Reading and Study Workbook ■ 126
Name Class Date
Chapter 17 The Atmosphere: Structure and Temperature
- Complete the chart below.
|
Mechanism of Energy Transfer |
||
|
Mechanism |
Requires direct contact? |
Requires a medium? |
|
Conduction |
yes |
|
|
Convection |
|
|
|
Radiation |
|
|
- Is the following sentence true or false? All objects at any
temperature emit radiant energy. - Hotter objects emit total energy per unit
area than colder objects do. - Is the following sentence true or false? The hotter a radiating
body is, the longer the wavelengths of maximum radiation it will
produce. - Objects that are good absorbers of radiation are also good
of radiation.
What Happens to Solar Radiation?
- List three things that can happen when radiation
strikes an object.
- Circle the letter of the process that produces rays that travel in all
directions. - absorption
- transmission
- reflection
- scattering
- About percent of the solar energy reaching
the outer atmosphere is reflected or scattered back into space. - What is the greenhouse effect?
- Is the following sentence true or false? Another term for the
greenhouse effect is global warming.
Earth Science Guided Reading and Study Workbook ■ 127
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