Week 2: Types of  Screws

Date:.24.09.2011
Learning area: Design and Technology	Class: Foundation class
Teacher: Desire L’olive	No. of students in class: 18
School: M.I.T.D Foundation Training Centre	Time:
Topic: Type of screws	Duration: 50 mins

Aims: 

Students must be aware of the existence of 4 different types of screws, its uses and material it is made of.

Objectives:

At the end of the lesson students should be able to

  1. Name the five different parts of a screw.

  2. Identify the four different types of screw.

  3. Name the three different types of slots.

  4. List advantage among the three types of slots which are provided on the head of screws.

  5. List material from which screws are mad.

Pre-requisite knowledge:

  1. Uses of screw in our environment

  2. Type of screws they have come across.

Teaching aids:

  1. The 4 type of screw.

  2. Screwdriver both flat and posidrive.

  3. Piece of wood and g- clamp

Classroom layout:

The instructions will be delivered to the whole class. Each student will take his own seat with all their required materials and learning tools. There will be rows of seats which will be spaced to facilitate movement of the teacher and the individual questioning of the students.

Methodology:

(a)    Oral questioning and answers

(b)   Visualizing

(c)    Demonstration

(d)   Explanation

(e)    Observation

(f)    Chalk and talk

(g)   Identification

(h)   Handling

Techniques and Activities:

For this lesson, I will use the inductive reasoning to implement my lesson. The students will be allowed to scrutinize, as far as possible, all related areas of the topic.

Activities will include visualizing, touching, writing, research, handling, discussions etc. During the on going of the lesson, oral questioning of individual students will be done to ascertain that learning is taking place. This, on the other hand will promote student participation (learner involvement).  

Implementation

Procedures:

Step 1:

a) introduction  on type of screws.

b) Different part of a screw

 Answer expected: shank, head because some similarities with nail.     (10mins

Step 2:

(a)    Visualizing of pictures, flip charts

(b)   Handling, touching available pieces of screws available in the class.  (5mins)

Step3:

(a) Explanation on different type of screws

(b) Explaining to students that we are more commonly use with countersunk screws than the other type.                                                                                                          (10mins)

Step 4:                                                         

a) Explain the different of slot

b) Advantages among them                                              (5mins)

 Step 5:

a) Material from which screws are made                           (3mins)

 Step 6: 

a) Recapitulation of the lesson                                          (5mins)

Evaluation

  1. Label 3 different parts of a screw ( 6 marks)

  2. Name the four different types of screws ( 8 marks)

  3. Name the two materials fr4om which screws are made of. ( 4 marks)

  4. Give three types of slot found on the head of screws ( 6 marks)