Lesson Plan 2.1 Definition Element,compound

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LESSON PLAN Unit

: SMP Negeri 1 Cilacap

Grade / Term

: VII / 1st semester

Subject

: SCIENCE – PHYSICS

Chapter

: 2.1. To descibe the meaning of element and compound

Time

: 2 X 40 minutes

Standardized Competence 2. To understand element, compound and mixture Basic competence 2.1 To describe the meaning of element and compound Indicator 1.

To describe the meaning of element and compound

2.

To describe the rule of element symbol

3.

To differ element group and compound group

4.

To write the name and element symbol

5.

To determine the name of compound and simple chemistry formula

Time Allocation : 3 periods (@ 40 minutes)

A. Objectives Students can be able to: 1. To describe the meaning of element and compound 2. To describe the rule of element symbol 3. To differ element group and compound group Lesson plan 2.2 definition of element,compound,and mixture properties, 1st semester JUNIOR HIGH SCHOOL 1 CILACAP

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4. To write the name and element symbol 5. To determine the name of compound and simple chemistry formula B. Subject Material : Understanding the element and compound

C. Learning Approach and Method 1. Approach : Cooperative Learning 2. Method

: Discuss and Presentation

D. Learning Phases Phases Opening ( 10 Minutes)

Activities a. Introduction Teacher ask students about element and compound from their literature b. Motivation Can you write the symbol of Aluminum c. Prerequisite Students understand about atom

Main ( 80 minutes)

Closing ( 30 minutes)

a. Students work in group of 8 – 10 b. Students discuss the meaning of element and compound c. Teacher ask students to observe some materials around them, and then students make group them d. Students write the name of element and their symbol e. Students determine the name of compound and simple chemistry formula

a. Students make summary about element and compound b. Students do the post test for checking their understanding c. Teacher gives some home work

E. Learning Sources 1. Student Books 2. References 3. Internet 4. Environment Lesson plan 2.2 definition of element,compound,and mixture properties, 1st semester JUNIOR HIGH SCHOOL 1 CILACAP

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F. 1. 2. 3.

Assessment Technique : Written and performance test Instrument Form : Multiple Choice, Essay, Performance test Example of instrument: Essay: 1. Describe of element and compound! (Score 2)

2. Write symbol of gold, iron, almunium, silver and copper (Score 2) Performance test: 3. Teacher give some materials, then student devide into 2 groups: element and compound. (Score 4) Multiple choice: 4. The formula of Natrium chlorida is .... ( Score 2) a. NaCl

c. NACL

b. NaK

d. NAK

Solution: 1. Element is substance that cannot be broken down into simpler substance by ordinary chemical methods. Compound is a substance containing two or more elements joined together by chemical bonds. 2. Au, Fe, Al, Ag, Cu. 3. From experiment Final Mark = Score Achieved Instruments. Mention standard measurement tool of length, mass, time! 3.Homework. Exercise 1.a, Page. 5, Student Worksheet Acknowledged by,

Cilacap, 15th July 2009

Headmaster SMP N 1 CILACAP

Teacher

Drs Sunardi, MM.Pd NIP. 19580806198103013

Heri Suhud Kustoyo,S.Pd NIP. 198004292008011009

Lesson plan 2.2 definition of element,compound,and mixture properties, 1st semester JUNIOR HIGH SCHOOL 1 CILACAP