Download 5.2--FUNSHEET--Heat Temp SHC 6.1 6.2 specific heat capacity

Topic # 1.6
GPS: 7c
Name: ______________________
Heat, Temperature, and
Energy Transfer Funsheet
Directions: After reading all of Chapter 6 in your textbook, fill in the blanks below.
Date: ___/____/____ Per: ___
SPS7. Students will relate transformations and flow of energy
within a system. b. Investigate molecular motion as it relates
to thermal energy changes in terms of conduction, convection,
and radiation. c. Determine the heat capacity of a substance
using mass, specific heat, and temperature.
Section 1: Temperature and Heat
Section 2: Transferring Thermal Energy
A. ____________________—related to the average kinetic
A. ___________________—transfer of thermal energy through
B.
energy of an object’s atoms or molecules
matter by direct contact of particles
_______________________—the sum of the kinetic and
1.
Kinetic energy is transferred as particles ____________.
potential energy of all the atoms in an object
2.
_______________, particularly metals, are good heat
1.
Thermal energy __________________ as temperature
increases.
2.
C.
conductors.
B.
The transfer of energy by the motion of heated particles in a
At constant temperature, thermal energy increases if
fluid is called ___________________.
_____________ increases.
1.
Thermal energy that flows from something at a higher
Convection _________________ transfer heat from
warmer to cooler parts of a fluid.
temperature to something at a lower temperature is called
2.
_____________.
Convection currents create _____________________
and ________________ over different regions of Earth.
D. ______________________—amount of heat needed to raise C.
E.
___________________—energy transfer by electromagnetic
the temperature of 1 kg of a material by 1 degree C.
waves
Changes in thermal energy can be calculated as thermal
1.
energy (q) = specific heat (cp) × _______ (m)
× change in temperature (ΔT).
1.
PS
q = cp∙m∙ΔT
Some radiation is _________________ and some is
__________________ when it strikes a material.
2.
When heat flows into an object and its temperature
Heat transfer by radiation is ________________ in a gas
than in a liquid or solid.
rises, the change in temperature is _________________. D. Most living things control the flow of heat by using special
2.
When heat flows out of an
object and its temperature
features such as fur, __________________, or scales.
E.
___________________—material that does not let heat flow
decreases, the change in
through it easily
temperature is
1.
_______________.
3.
A ____________________
Gases such as _______________ usually make better
insulators than liquids or solids.
2.
A __________________ layer in a thermos is a good
is used to measure specific
insulator because it contains almost no matter to allow
heat.
conduction or convection to occur.
Directions: In each of the following statements, a term has been scrambled. Unscramble the term and write it on the line provided.
___________________________ 1.
If particles move more llsowy the object’s temperature falls.
___________________________ 2.
Conduction can take place in solids, liquids, and sages.
___________________________ 3.
Thermal energy includes both kinetic and ttnepoail energy.
___________________________ 4.
Any material that can flow is lufdi.
___________________________ 5.
Any material that allows heat to pass through it easily is a roconcutd.
___________________________ 6.
Materials with a high specific heat can absorb heat without a large hngcae in temperature.
___________________________ 7.
Radiation is the transfer of energy in the form of vaews.
___________________________ 8.
When an object increases in temperature it naigs thermal energy.
___________________________ 9.
Many conductors, such as silver and copper, are lemtas.
___________________________ 10. Energy that travels by radiation is often called darinta greeny.
___________________________ 11. Insulators, such as wood and air, are poor conductors of thea.
___________________________ 12. The transfer of thermal energy by convection and conduction both require atterm.
13. Explain the differences between conduction, convection, and radiation. Use the information in your 6.2 notes to help you.
___________________________________________________________________________________________________________
___________________________________________________________________________________________________________
___________________________________________________________________________________________________________
___________________________________________________________________________________________________________
___________________________________________________________________________________________________________
___________________________________________________________________________________________________________
___________________________________________________________________________________________________________
Directions: Determine whether the italicized term makes each statement true or false. If the statement is true, write true in the
blank. If the statement is false, write in the blank the term that makes the statement true. #14-25 are from section 6.1, #26-37 are
from section 6.2.
___________________________ 14.
Particles that make up matter are in constant motion.
___________________________ 15.
The faster particles move the less kinetic energy they have.
___________________________ 16.
Temperature is the measure of the average kinetic energy of the particles in an object.
___________________________ 17.
When temperature increases, the kinetic energy of the particles decreases.
___________________________ 18.
The thermal energy of an object is the total energy of the particles in a material.
___________________________ 19.
A 5-kg chunk of aluminum and a 5-kg block of silver that are at the same temperature have
the same thermal energy.
___________________________ 20.
Heat flows from a higher temperature to a lower temperature.
___________________________ 21.
Heat is measured in newtons.
___________________________ 22.
Different materials need the same amounts of heat to have similar changes in temperatures.
___________________________ 23.
The amount of energy it takes to raise the temperature of 1 kg of a material 1 kelvin is the
specific heat of the material.
___________________________ 24.
Water has a relatively low specific heat.
___________________________ 25.
Materials with a high specific heat can absorb a lot of energy and show little change in temp.
___________________________ 26.
Materials that are poor conductors are poor insulators.
___________________________ 27.
The transfer of energy through matter by direct contact of its particles is convection.
___________________________ 28.
The transfer of energy in the form of invisible waves is conduction.
___________________________ 29.
Solids usually conduct heat better than liquids and gases.
___________________________ 30.
The R-value of insulation indicates its resistance to heat flow.
___________________________ 31.
Air is a poor heat conductor.
___________________________ 32.
Wind and ocean currents are examples of conduction currents.
___________________________ 33.
Energy is usually transferred in fluids by radiation.
___________________________ 34.
As water is heated, it expands, becomes less dense, and rises.
___________________________ 35.
Dark-colored materials absorb less radiant energy than light-colored materials.
___________________________ 36.
Only radiant energy that is reflected is changed to thermal energy.
___________________________ 37.
The higher the R-value of insulation the less resistant it is to heat flow.
SPS7. Students will relate transformations
and flow of energy within a system. b.
Investigate molecular motion as it relates to
thermal energy changes in terms of
conduction, convection, and radiation. c.
Determine the heat capacity of a substance
using mass, specific heat, and temperature.
Directions: Circle the object in each pair that will take in more heat. In the blank, explain why that object will take in more heat.
38. a silver spoon or a wooden log ______________________________________________________________________________
39. a white shirt or a red shirt__________________________________________________________________________________
40. foil in the sunlight or a sidewalk in the sunlight _________________________________________________________________
41. single-pane window or double-pane window ___________________________________________________________________
42. a plastic spoon or a metal spoon ____________________________________________________________________________
43. Which of the following best describes temperature?
A.
B.
C.
D.
heat absorbed or released in a chemical or physical change
a measure of the average kinetic energy of the particles in a
sample of matter
heat energy
energy of change
44. Which of the following best describes heat?
A. the energy transferred between samples of matter because of
a difference in their temperatures
B. a measure of the average kinetic energy of the particles in a
sample of matter
C. the energy stored in a sample of matter