Unit

Heat and Heat Technology

Local Objective

At the end of this unit, students will be able to...

a.  Describe how temperature relates to kinetic energy.

b.  Compare temperatures on different temperature scales.

c.  Give examples of thermal expansion.

d.  Define heat as thermal energy transferred between objects at different temperatures.

e.  Compare conduction, convection, and radiation.

f.  Use specific heat capacity to calculate heat.

g.  Identify three states of matter.

h.  Explain how heat affects matter during a change of state.

i.  Describe how heat affects matter during a chemical change.

j.  Explain what a calorimeter is used for.

k.  Analyze several kinds of heating systems.

l.  Describe how a heat engine works.

m.  Explain how a refrigerator keeps food cold.

n.  List some effects of heat technology on the environment.

Objective used to evaluate students


Yes

Assessment Activity

1.  The students will be assessed by completing daily independent activities on the objectives of describing how temperature relates to kinetic energy; comparing temperatures on different temperature scales; giving examples of thermal expansion; defining heat as thermal energy transferred between objects at different temperatures; comparing conduction, convection, and radiation; using specific heat capacity to calculate heat; identifying three states of matter; explaining how heat affects matter during a change of state; describing how heat affects matter during a chemical change; explaining what a calorimeter is used for; analyzing several kinds of heating systems; describing how a heat engine works; explaining how a refrigerator keeps food cold; and listing some effects of heat technology on the environment.

2.  At the end of the unit, students will complete a unit evaluation testing mastery of describing how temperature relates to kinetic energy; comparing temperatures on different temperature scales; giving examples of thermal expansion; defining heat as thermal energy transferred between objects at different temperatures; comparing conduction, convection, and radiation; using specific heat capacity to calculate heat; identifying three states of matter; explaining how heat affects matter during a change of state; describing how heat affects matter during a chemical change; explaining what a calorimeter is used for; analyzing several kinds of heating systems; describing how a heat engine works; explaining how a refrigerator keeps food cold; and listing some effects of heat technology on the environment.

Level of Expectation

80%

List of concepts and Evaluation Types


ConceptEvaluation Type
Unit ExamCR
QuestionsCR

Learning Activity

The students will:

1.  Read a section on temperature.  Discuss how temperature relates to kinetic energy, how temperatures compare on different temperature scales, and examples of thermal expansion.

2.  Answer some recall questions from the reading checking for identification of key ideas, using math skills, using critical thinking, and interpreting graphs.

3.  Read a section on "What is Heat?"  Discuss heat as thermal energy transferred between objects at different temperatures; compare conduction, convection, and radiation; and we use specific heat capacity to calculate heat.

4.  Answer some recall questions from the reading checking for identification of key ideas, using math skills, using critical thinking, and interpreting graphs.

5.  Read a section on matter and heat.  Discuss the three states of matter, how heat affects matter during a change of state, how heat affects matter during a chemical change, and what a calorimeter is used for.

6.  Answer some recall questions from the reading checking for identification of key ideas, using math skills, using critical thinking, and interpreting graphs.

7.  Read a section on heat technology.  Discuss the kinds of heating systems, how a heat engine works, how a refrigerator keeps food cold, and the effects of heat technology on the environment.

8.  Answer some recall questions from the reading checking for identification of key ideas, using math skills, using critical thinking, and interpreting graphs.

9.  End the chapter by reviewing their questions.  Take a unit exam over the section "Heat and Heat Technology."  Questions will review the following objectives: describing how temperature relates to kinetic energy, comparing temperatures on different temperature scales, giving examples of thermal expansion, defining heat as thermal energy transferred between objects at different temperatures, comparing conduction, convection, and radiation, using specific heat capacity to calculate heat, identifying three states of matter, explaining how heat affects matter during a change of state, describing how heat affects matter during a chemical change, explaining what a calorimeter is used for, analyzing several kinds of heating systems, describing how a heat engine works, explaining how a refrigerator keeps food cold, and listing some effects of heat technology on the environment.

Instructional Method

The teacher will:

1.  Lecture and discuss temperature.  Include specific topics such as how temperature relates to kinetic energy, how temperatures compare on different temperature scales, and examples of thermal expansion.

2.  Guide students during the answering of recall questions.

3.  Lecture and discuss "What is Heat?"  Include specific topics such as thermal energy transferred between objects at different temperatures; compare conduction, convection, and radiation; and we use specific heat capacity to calculate heat.

4.  Guide students during the answering of recall questions.

5.  Lecture and discuss matter and heat.  Include specific topics such as the three states of matter, how heat affects matter during a change of state, how heat affects matter during a chemical change, and what a calorimeter is used for.

6.  Guide students during the answering of recall questions.

7.  Lecture and discuss heat technology.  Include specific topics such as the kinds of heating systems, how a heat engine works, how a refrigerator keeps food cold, and the effects of heat technology on the environment.

8.  Guide students during the answering of recall questions.

 

Content Standards

MA 1, SC 7, SC 8, SC 1

Process Standards

2.7, 3.8, 4.1, 2.3, 4.3, 4.7, 3.7, 3.6, 3.5, 3.4, 3.3, 3.2, 3.1

Equity/Workplace Readiness


MSIP CodeMSIP Indicator
TTechnology

Resources

Holt Science & Technology "Forces, Motion, and Energy"(M)

Correction Exercise

Assignment Corrections

Tutoring/Peer Coaching

Enrichment Exercise

Chapter 6 Enrichment Pages

Special Needs

Assignment Modifications

Alternative Testing

Tutoring/Peer Coaching

GLEs v1.0


GLE CodeDisciplineStrandBig IdeaConceptGrade Level/CourseGLE
SC/1ME/2/A/07/eScienceProperties and Principles of Matter and EnergyEnergy has a source, can be transferred, and can be transformed into various forms but is conserved between and within systemsForms of energy have a source, a means of transfer (work and heat), and a receiverGrade 7Scope and Sequence  Forms of Energy: Heat Describe how heat is transferred by conduction, convection, and radiation, and classify examples of each
SC/1ME/2/A/07/dScienceProperties and Principles of Matter and EnergyEnergy has a source, can be transferred, and can be transformed into various forms but is conserved between and within systemsForms of energy have a source, a means of transfer (work and heat), and a receiverGrade 7Scope and Sequence  Forms of Energy: Heat Recognize the type of materials that transfer energy by conduction, convection, and/or radiation
SC/1ME/2/A/07/cScienceProperties and Principles of Matter and EnergyEnergy has a source, can be transferred, and can be transformed into various forms but is conserved between and within systemsForms of energy have a source, a means of transfer (work and heat), and a receiverGrade 7Scope and Sequence  Forms of Energy: Heat Recognize thermal energy is transferred as heat from warmer objects to cooler objects until both reach the same temperature (equilibrium)
SC/1ME/2/A/07/bScienceProperties and Principles of Matter and EnergyEnergy has a source, can be transferred, and can be transformed into various forms but is conserved between and within systemsForms of energy have a source, a means of transfer (work and heat), and a receiverGrade 7Scope and Sequence  Forms of Energy: Heat Use the kinetic molecular model to explain changes in the temperature of a material
SC/7IN/1/B/07/bScienceScientific InquiryScience understanding is developed through the use of science process skills, scientific knowledge, scientific investigation, reasoning, and critical thinkingScientific inquiry relies upon gathering evidence from qualitative and quantitative observationsGrade 7Scope and Sequence - All Units Determine the appropriate tools and techniques to collect data
SC/7IN/1/B/07/aScienceScientific InquiryScience understanding is developed through the use of science process skills, scientific knowledge, scientific investigation, reasoning, and critical thinkingScientific inquiry relies upon gathering evidence from qualitative and quantitative observationsGrade 7Scope and Sequence - All Units Make qualitative observations using the five senses
SC/7IN/1/C/07/aScienceScientific InquiryScience understanding is developed through the use of science process skills, scientific knowledge, scientific investigation, reasoning, and critical thinkingEvidence is used to formulate explanationsGrade 7Scope and Sequence - All Units Use quantitative and qualitative data as support for reasonable explanations (conclusions)
SC/8ST/1/C/06-08/aScienceImpact of Science, Technology and Human ActivityThe nature of technology can advance, and is advanced by, science as it seeks to apply scientific knowledge in ways that meet human needsTechnological solutions to problems often have drawbacks as well as benefitsGrade 6-8Scope and Sequence - All Units Describe how technological solutions to problems (e.g., storm water runoff, fiber optics, windmills, efficient car design, electronic trains without conductors, sonar, robotics, Hubble telescope) can have both benefits and drawbacks (e.g., design constraints, unintended consequences, risks) (Assess Locally)
SC/8ST/3/B/06-08/aScienceImpact of Science, Technology and Human ActivityScience and technology affect, and are affected by, societySocial, political, economic, ethical and environmental factors strongly influence, and are influenced by, the direction of progress of science and technologyGrade 6-8Scope and Sequence - All Units Describe ways in which science and society influence one another (e.g., scientific knowledge and the procedures used by scientists influence the way many individuals in society think about themselves, others, and the environment; societal challenges often inspire questions for scientific research; social priorities often influence research priorities through the availability of funding for research)
SC/1ME/2/A/07/aScienceProperties and Principles of Matter and EnergyEnergy has a source, can be transferred, and can be transformed into various forms but is conserved between and within systemsForms of energy have a source, a means of transfer (work and heat), and a receiverGrade 7Scope and Sequence  Forms of Energy: Heat Recognize thermal energy as the random motion (kinetic energy) of molecules or atoms within a substance
SC/1ME/2/A/07/gScienceProperties and Principles of Matter and EnergyEnergy has a source, can be transferred, and can be transformed into various forms but is conserved between and within systemsForms of energy have a source, a means of transfer (work and heat), and a receiverGrade 7Scope and Sequence  Forms of Energy: Heat Predict the differences in temperature over time on different colored (black and white) objects placed under the same heat source
SC/1ME/2/A/07/fScienceProperties and Principles of Matter and EnergyEnergy has a source, can be transferred, and can be transformed into various forms but is conserved between and within systemsForms of energy have a source, a means of transfer (work and heat), and a receiverGrade 7Scope and Sequence  Forms of Energy: Heat Classify common materials (e.g., wood, foam, plastic, glass, aluminum foil, soil, air, water) as conductors or insulators of thermal energy
SC/1ME/2/F/07/bScienceProperties and Principles of Matter and EnergyEnergy has a source, can be transferred, and can be transformed into various forms but is conserved between and within systemsEnergy can change from one form to another within systems, but the total amount remains the sameGrade 7Scope and Sequence  Energy Transformations Recognize that, during an energy transformation, heat is often transferred from one object (system) to another because of a difference in temperature
SC/1ME/2/F/07/aScienceProperties and Principles of Matter and EnergyEnergy has a source, can be transferred, and can be transformed into various forms but is conserved between and within systemsEnergy can change from one form to another within systems, but the total amount remains the sameGrade 7Scope and Sequence  Energy Transformations Identify the different energy transformations that occur between different systems (e.g., chemical energy in battery converted to electricity in circuit converted to light and heat from a bulb)
SC/7IN/1/B/07/cScienceScientific InquiryScience understanding is developed through the use of science process skills, scientific knowledge, scientific investigation, reasoning, and critical thinkingScientific inquiry relies upon gathering evidence from qualitative and quantitative observationsGrade 7Scope and Sequence - All Units Use a variety of tools and equipment to gather data (e.g., microscopes, thermometers, analog and digital meters, computers, spring scales, balances, metric rulers, graduated cylinders, stopwatches)

Objective Notes/Essential Questions


DateNote/Question
6/18/2007 11:37:36 AMWhat do substances do when they are cooled?      What to scales to scientists use?      What happens to temperature as kinetic energy decreases?      What is heat?      When does convection occur?      What is radiation?      What happens to the energy of ice when it changes to a liquid?      What happens to the energy of a liquid when it evaporates?      What happens to the energy of evaporation when it condenses to a liquid?      What happens to the energy of a liquid when it boils?      What happens to the temperature of a room when you leave the refrigerator door open?      How does refrigeration work?      How does a radiator heat the room?