Download s1reproduction03 - skh chan young secondary school

S.K.H. CHAN YOUNG SECONDARY SCHOOL
S.1 SCIENCE TEACHING PLAN
UNIT 3
TOPIC: CELLS AND HUMAN REPRODUCTION
NUMBER OF LESSONS: 20
LESSON 3-4
TOPIC: 3.1.2 Using a microscope
3.1.3 Structures and functions of plant and animal cells
TEACHING OBJECTIVES
1. To revise the structures and functions of a light microscope
2. To acquire some basic skills of handling a microscope
3.
To identify the similarities and differences between structures of plant and animal
cells
TEACHING SEQUENCE
CLASS ACTIVITY
TIME
FORMAT
TEACHING AIDS
0-5
S: Giving Suggestions
T: Show information
Power-point slide 15
5-10
T: Ask students to
demonstrate how to
use a light microscope
S: Observation
Power-point slide
52-56
Light microscope
10-15
S: Suggestion
T: Giving feedback
Light microscope
15-35
(expt.)
35-40
(checking
of expt
results.)
S: Do experiments and
complete questions
and drawings on txt
1A P.118 & 119
T: Give assistance to
students and check
answers with
students
Power-point slide
57-64
S: Group discussion
T: Giving instruction
Power-point slide
65-66
Worksheet 3.1.3
(MINUTES)
1.
2.
3.
4.
5.
6.
Follow up IT Assignment
on internet search of
interesting information
about cells
Revision of the steps
involved in using a light
microscope
Ask students to guess
what their classmates
have done wrong about
using a light microscope
Experiment 3.2 and 3.3
Students are given
chance to use the
microscope to observe
given specimen
A break
Through observing
photomicrographs of
plant and animal cells,
ask students to discuss
and find out the
similarities (cell
membrane, nucleus and
cytoplasm) between plant
and animal cells
40-45
45-55
CLASS ACTIVITY
TIME
FORMAT
TEACHING AIDS
(MINUTES)
7.
Explanation of the
features and functions
of the following
structures: cell
membrane, nucleus and
cytoplasm
8.
Through observing
pictures of an animal cell
and a photosynthetic
plant cell, ask students
to discuss and find out
their differences (cell
wall, large central
vacuole and chloroplast)
Functions of cell wall and
large central vacuole are
explained.
9. Introduction of
Homework:
Ass 1A P.53 A, P.54 C,
P.71 C
Quiz: Txt 1A P.113-120
Microscope
& functions
structure
55-65
S: Listening and
answering questions
T: Questioning and
explanation
Power-point slide
67-75
65-75
S: Listening and
answering questions
T: Questioning and
explanation
Power-point slide
76-78
75-80
T: Give instruction
S: Drop down details
Power-point slide 79