Ch. 5 - Thermal Energy, Heat, and Temperature Online Exploration
. -Heat Transfer interactive
Introduction: Heat always travels from a ______ object to a ______ object.
1. Conduction
a. Conduction is the transfer of ____ between substances that are in ______ with each other.
b. The better the ________, the more quickly ____ will transfer from the higher _________ to the _____ temperature.
c. Three examples of good conductors are: _____, _______, and ________.
What are these used for in the kitchen?
d. A poor conductor is a good _________.
What are these used for in the kitchen?
a. Conduction is the transfer of ____ between substances that are in ______ with each other.
b. The better the ________, the more quickly ____ will transfer from the higher _________ to the _____ temperature.
c. Three examples of good conductors are: _____, _______, and ________.
What are these used for in the kitchen?
d. A poor conductor is a good _________.
What are these used for in the kitchen?
a. What substances make good conductors?
b. What substances make bad conductors (good insulators)?
c. What is conduction?
d. The better the conductor the more _______ heat will transfer.
e. In conduction, do the substances need to be touching each other? Explain.
2. Convection
a. Draw a picture of a convection current. Label the red and blue arrows.
b. What is convection?
c. What are some other examples of convection?
d. Convection is the primary method that heat transfers in _______ and _____.
e. Which is denser, cold air or warm air? Explain.
3. Radiation
a. What effect does the sun's radiation have on the temperature of the house?
b. What are some other examples of radiation heat transfer?
c. Radiation can travel through empty space. True or False?
1. Can you “beat the heat”? How far can you go? Your goal is to make it to Level 10; when you do, show me that you've completed your task.
1. Read the information on Thermodynamics.
http://www.physics4kids.com/files/thermo_intro.html
http://www.physics4kids.com/files/thermo_intro.html
a. Heat and Thermal Energy: When heat is increased in a system, what else is increased?
b. Heat of Atoms: Heat is transferred on a molecular level. Explain.
c. Heat Movement: What causes heat to move from one system to another?
D. Read about conduction, convection, and radiation.
http://www.physics4kids.com/files/thermo_transfer.html
E. Now, take the online quiz on Thermodynamics; write the answers in your notebook.
http://www.physics4kids.com/extras/quiz_heat_intro/index.htmlF. http://www.mansfieldct.org/schools/mms/staff/hand/atomsheat.htm
- 1. Compare/Contrast the molecules of solids at different temperatures and the molecules of liquids at different temperatures.
- 2. The Kinetic theory of matter states: All matter is made up of ______ and ________ that are constantly ______.
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