Thermal Energy Transfers
Lesson 2
Thermal Energy Transfers
Scan Lesson 2. Read the lesson titles and bold words. Look at the pictures. Identify three facts you discovered about thermal energy transfers. Record your facts in your Science Journal.
Identify 3 ways thermal energy is transferred.
How is thermal energy transferred? I found this on page
.
1. 2. 3. Characterize radiation.
Radiation I found this on page
. Radiation
can happen through • •
transfer of:
•
by:
•
Describe conduction.
Conduction .
Conduction
can happen in •
I found this on page
.
transfer of:
•
by:
•
Contrast the conduction and specific heat of thermal conductors and thermal insulators.
Thermal Conductor Ease of conduction Relative specific heat Reason
50
Thermal Energy
Thermal Insulator
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
I found this on page
Lesson 2 | Thermal Energy Transfers (continued)
Classify characteristics of thermal expansion and thermal
Thermal Expansion and Contraction
contraction.
Thermal Expansion
Thermal Contraction
I found this on page
.
Definition:
Definition:
I found this on page
.
Effect in a hot air balloon:
Effect in a hot air balloon:
Convection I found this on page
Characterize convection. . occurs in
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Convection
transfer of: by:
I found this on page
.
Explain atmospheric convection currents. warmer, less dense air heats becomes
and
cooler, denser air becomes
and
Analyze It
Explain how all three processes that transfer thermal energy occur as you heat soup on a stove.
Thermal Energy
51
Thermal Energy Transfers
Scan Lesson 2. Read the lesson titles and bold words. Look at the pictures. Identify three facts you discovered about thermal energy transfers. Record your facts in your Science Journal.
Identify 3 ways thermal energy is transferred.
How is thermal energy transferred? I found this on page
.
1. 2. 3. Characterize radiation.
Radiation I found this on page
. Radiation
can happen through • •
transfer of:
•
by:
•
Describe conduction.
Conduction .
Conduction
can happen in •
I found this on page
.
transfer of:
•
by:
•
Contrast the conduction and specific heat of thermal conductors and thermal insulators.
Thermal Conductor Ease of conduction Relative specific heat Reason
50
Thermal Energy
Thermal Insulator
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
I found this on page
Lesson 2 | Thermal Energy Transfers (continued)
Classify characteristics of thermal expansion and thermal
Thermal Expansion and Contraction
contraction.
Thermal Expansion
Thermal Contraction
I found this on page
.
Definition:
Definition:
I found this on page
.
Effect in a hot air balloon:
Effect in a hot air balloon:
Convection I found this on page
Characterize convection. . occurs in
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Convection
transfer of: by:
I found this on page
.
Explain atmospheric convection currents. warmer, less dense air heats becomes
and
cooler, denser air becomes
and
Analyze It
Explain how all three processes that transfer thermal energy occur as you heat soup on a stove.
Thermal Energy
51
