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LESSON PLAN

I. SCHOOL : SMPK TM - BPK PENABURSUBJECT : Physics

GRADE/TERM : 8/1

ALLOCATED TIME : 3 sessions

II. STANDARD OF COMPETENCE:5. To understand the role of work, force and energy in everydays life.

III. BASIC COMPETENCY:5.1. To identify various types of forces, perform summation of forces and describe the

effect of forces applied on an object.

IV. INDICATORS:Indicators PKBN2K Characteristics

Value Indicator

1. Define Force.2. Perform an experiment related to

the concept of force.

3. Investigate the changes applied byforces.

4. Draw the summation of forcesand the net force of one-directional as well as oppositional

linear forces.

5. Explain the meaning of resultantof forces.

6. Explain the meaning of frictionalforce.

7. Perform an experiment onfrictional force.

8. Investigate the factors that affectfrictional force.

9. Give example of the advantagesand disadvantages of frictional

forces in everydays life.10.Explain the meaning of weight of

an object.

11.Measure the weight of an objectusing spring balance.

12.Draw graph of weight againstmass.

13.Investigate the relationshipbetween mass and weight.

14.Distinguish the differencebetween the mass and the weightof an object.

Faithfulness Perform assigned

tasks accurately

V. LEARNING OBJECTIVES:Following classroom activities, students will be able to do the following:

1. Define Force.

This is a sample of Physics Yr.VIII RPP translated for RSBI Curriculum. It is intended to be used as tool

to help fellow science teachers compare the formats of new RPP.

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2. Perform an experiment related to the concept of force.3. Investigate the changes applied by forces.4. Draw the summation of forces and the net force of one-directional as well as

oppositional linear forces.

5. Explain the meaning of resultant of forces.6. Explain the meaning of frictional force.7. Perform an experiment on frictional force.8. Investigate the factors that affect frictional force.9. Give example of the advantages and disadvantages of frictional forces in everydays

life.

10.Explain the meaning of weight of an object.11.Measure the weight of an object using spring balance.12.Draw graph of weight against mass.13.Investigate the relationship between mass and weight.14.Distinguish the difference between the mass and the weight of an object.

VI. LEARNING MATERIALS:A. Definition of ForceB. Forces and interaction of forcesC. Summation of forces:

- Linear forces- Non-linear forces- Parallelogram method- Triangle method- Polygon method

D. Weight and gravitational forcesE. Frictional forces:

- Static frictional forces- Kinetic frictional forces

F. Newtons Law:- Newtons I Law- Newtons II Law- Newtons III Law

G. Application of Newtons I, II, and III LawVII. TIME ALLOCATION: 6 x 45 minutes

VIII. LEARNING METHODS: Discussion, Classroom instruction (informational), ExperimentIX. LEARNING ACTIVITY STEPS:

SESSION I:

Indicators PKBN2K Characteristics

Value Indicator

1. Define Force.2. Perform an experiment related to

the concept of force.

3. Investigate the changes applied byforces.

4. Draw the summation of forcesand the net force of one-

Faithfulness Perform assigned

tasks accurately

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directional as well as oppositional

linear forces.

5. Explain the meaning of resultantof forces.

A.

Introduction (10 minutes)Apperception and Motivation

- Teacher asks the students how they are doing in the class so far.

- Teacher inquires the whole class by asking Do forces have direction?

B. Core Activities (100 minutes)B.1. Exploration

- Students are assigned into small groups.

- Students are asked to investigate to determine that forces have direction by

conducting an experiment of pushing and pulling a table.

B.2. Elaboration- Students are to make conclusion out of the above experiment.

C. Closing (25 minutes)C.1. Confirmation

- Teacher leads students through discussion to discover that all forces have a

direction in which they act in, either positive or negative.

- Teacher assigns problems as exercise.

SESSION II:

Indicators PKBN2K Characteristics

Value Indicator

1. Explain the meaning of frictionalforce.

2. Perform an experiment onfrictional force.

3. Investigate the factors that affectfrictional force.

4. Give example of the advantagesand disadvantages of frictionalforces in everydays life.

Boldness Open to new

things/experiences

A. Introduction (10 minutes)Apperception and Motivation

- Teacher asks the students how they are doing in the class so far.

- Teacher inquires the whole class by asking Teacher asks the class Why is it

harder to push a table on a rough surface compare to pushing the table on

smoother surface?

B. Core Activities (100 minutes)B.1. Exploration

- Students are assigned to small groups.

- Students are asked to investigate the influence of surface of a plane when

frictional force is applied on it by conducting an experiment on different

type of plane surfaces with varying degree of roughness.

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- Students are to discuss the advantages and disadvantages of frictional forces

in everyday life.

B.2. Elaboration

- Students are to make conclusion out of the above experiment.

C. Closing (25 minutes)C.1. Confirmation

- Teacher leads students through discussion to discover the influence of

different type of contact surfaces when frictional force is acting on these

surfaces, and the advantages and disadvantages of frictional forces in

everyday life.

- Teacher assigns problems as exercise.

SESSION III:

IndicatorsPKBN2K Characteristics

Value Indicator

1. Explain the meaning of weight ofan object.

2. Measure the weight of an objectusing spring balance.

3. Draw graph of weight againstmass.

4. Investigate the relationshipbetween mass and weight.

5. Distinguish the differencebetween the mass and the weightof an object.

Honesty Communicate and

behave in

appropriate

manners.

A. Introduction (10 minutes)Apperception and Motivation

- Teacher asks the students how they are doing in the class so far.

- Teacher inquires the whole class by asking Teacher asks the class What is

weight?

B. Core Activities (100 minutes)B.1. Exploration

- Students are assigned to small groups.

- Students are asked to investigate to determine if weight is the same as mass.

B.2. Elaboration

- Students are asked to make conclusion out of the above experiment.

C. Closing (25 minutes)C.1. Confirmation

- Teacher leads students through discussion to discover that weight and mass

are not the same quantities.- Teacher assigns problems as exercise.

X. ASSESSMENT:A. Application: Written and verbal tests, lab report, observation, quizzes, daily

tests

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B. Technical Approach: Assessment resulting in below minimal standard of competencewill be followed by tiered remedial test.

C. Instrument: Portfolios, study guides, questions, appreciation, essay tests.D. Sample problems:

Problems Answers Score

1.Give the definition of Force! Force is push or pull 22. Give description of the effect

caused by forces!

Moving object comes to a stop;

stationary object starts moving;

moving object changes direction.

3

3. State the type of frictional

forces!

Static friction and kinetic friction. 1

4. Explain the difference

between weight and mass!

Mass: always has the same value,

has no direction, scalar quantity.

Weight: value changes, has

direction, vector quantity.

4

GRADE =SCORING RESULT

MAXIMUM SCOREX 100

XI. LEARNING RESOURCES AND MEDIUM:

a. Learning resources:- Sains IX. Jakarta. Tim Guru Fisika. Intan Pariwara. 2009. pp. 3 26.

- Reference books, bulletin/articles on Forces, science quizzes.

b. Learning medium :- discussion, lecture, experiments, slide presentations

Acknowledged by, Jakarta, 20th

July 2011

Principal, SMPK TM BPK Penabur Subject Teacher

__________ __________