Cyclic processes and their effeciency, Carnot cycle Lesson plan

Long-term plan unit:

Fundamentals of thermodynamics

School:

Date:

Teacher Name:

Grade: 10

Number present:

Absent:

Topic:

Cyclic processes and their efficiency, Carnot cycle

Learning objectives that are achieved at this lesson (Subject Program reference)

·         to describe Carnot cycle for an ideal heat engine;

·         to apply the formula of the heat engine efficiency in problem solving;

Lesson objectives

Students will be able to:

·         understand and describe principles of work of heat engines;

·         state the factors affecting efficiency or heat loss;

·     recall and apply  ;

·         describe the Carnot cycle;

Assessment criteria

Learners can:

·         describe principles of work of heat engines;

·         discuss ways on how to increase efficiency;

·         state the factors affecting efficiency or heat loss;

·     apply   to solve problems;

·         describe the Carnot cycle

Language objectives

Learners can:

- describe orally and in writing a relationship between two variables

- put technical terms into context  and define the terms:

Values instilled at the lesson

Safety, Consideration to others, Co-operation, Opportunity for Life-Long Learning, Academic Integrity and Transparency, Respect for Self and Others

Cross-curricular links

·         Mathematics: Inverse and Direct Relationship Graphs and Equations

·         Chemistry: Kinetic Molecular Theory, Gas laws, Isoprocesses

·         English: Stating/explaning results from the demonstration

ICT skills

Internet link simulation for heat engine

http://www.animatedengines.com/otto.html

Planned stages of the lesson

Planned activities at the lesson

Resources

(2 min)

·         Recall of topic, learning objectives, assessment criteria

Slides 1-3

Middle

(10 min)

(25 min)

Analyzing Information (10 min) (Individual)

·         Please look at the PV diagram on the board

·         This is the Carnot Cycle

·         Please analyze each step by completing the worksheet 

·         After 10 minutes, we will discuss and check your answers

Differentiated Problem Solving (Pairs)

•         We will now solve problems on efficiency

•         There are 3 levels of questions: elementary, intermediate and advanced

•         Please choose the appropriate level of questions for yourself and solve it.

·         You may check your answers from the mark scheme on the teacher’s desk in the front of the classroom.

Word document “The Carnot cycle”

Slides 4-5

Word document “Problem solving”

Slides 6-7

(3 min)

Reflection

Students write on sticky notes how they feel about this topic and what they can do to improve their performance.

Homework (Revision problems)

Sticky notes

Slide 8

Word document “Homework”

Differentiation

·         Differentiated problems -  students answer questions of their choice using the differentiated problem

·         The activities are differentiated:

1. use of demonstration for visual learners

2. use of drawing for spatial learners

3. use of research for analytical learners

Assessment – how are you planning to check students’ learning?

(1)   High-order thinking skills (HOTS) questions from the demonstration – students hypothesize, observe and explain the demonstration

(2)   Matching/Estimating – students use critical thinking in analysing information to match items correctly 

(3)   Research skills- students research about the factors affecting efficiency

(4)   Differentiated problem – students answer questions of their choice using the differentiated problem

Health and safety regulations

Use test tube holder when holding hot test tube

Point the mouth of the test tube away from the people

Reflection

Use the space below to reflect on your lesson. Answer the most relevant questions from the box on the left about your lesson.