Students’ age range: 12-14

Topic: Storage Devices

 

Description: ENGAGEMENT
The teacher will write a set of questions on the whiteboard. The students will be told that they should listen to the scenario and try to catch the answers to the questions on the whiteboard. For e.g. Identify the two categories of storage
Identify the two types of storage.
Primary storage consists of two types of memory chips. What are they?
EXPLORATION
The students will be asked to give their responses to the questions given at the beginning of the lesson. These will be recorded on the whiteboard. The teacher will inform them if their answers are correct.
EXPLANATION
The students along with the teacher’s assistance will define primary storage. A further analysis of primary storage will be done. The teacher and the students will examine together to the two memory chips into which primary storage is divided. The difference between the two will be examined. The teacher will also emphasize the point that RAM on ‘volatile’. The students will say the word aloud and spell it for emphasis. They will be required to use context clues to determine the meaning of the word.
ELABORATION
The students and teacher will examine the ROM chip. The variations of ROM will also be examined. Differences between RAM and ROM will be highlighted. A definition of secondary storage will be ascertained and examples of secondary storage devices will be identified. Using the fish bowl technique the students will discuss the importance of secondary storage devices. A small group will discuss the importance while the other students will listen and join in the discussion by patting a member of the small group on his/her shoulder. The teacher will monitor the discussion to ensure that the students stay on the topic.