Basic Science and Technology - Junior Secondary 2 - Crude oil and petrochemicals

Crude oil and petrochemicals

TERM: 3RD TERM

WEEK: 11

CLASS: Junior Secondary School 2

AGE: 13 years

DURATION: 40 minutes each for 2 periods

DATE:

SUBJECT: Basic Science

TOPIC: Crude oil and petrochemicals II

SPECIFIC OBJECTIVES: At the end of the lesson, the learners should be able to

  1. ) State the uses of crude oil and petrochemicals
  2. ) Enumerate the importance of crude oil and petrochemicals

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, story-telling, videos from source

INSTRUCTIONAL MATERIALS: Recommended Basic Science textbooks for Junior Secondary School 2

INSTRUCTIONAL PROCEDURES: PERIOD 1-2:

PRESENTATION

TEACHER’S ACTIVITY

PUPIL’S ACTIVITY

STEP 1

Review

The teacher revises the previous lesson.

Learners pay attention

STEP 2

Introduction

He states the uses of crude oil and petrochemicals

Learners pay attention and participate

STEP 3

Explanation

He enumerates the importance of crude oil and petrochemicals

Learners pay attention and participate

STEP 4

NOTE TAKING

The teacher writes a short note on the board for the learners to copy

The learners copy the note from the board

 

NOTE

CRUDE OIL AND PETROCHEMICALS

Uses of Crude Oil and Petrochemicals:

  • Crude Oil:
    • Fuel Production: Crude oil is refined into fuels such as gasoline, diesel, kerosene, and jet fuel, which are used in transportation, heating, and electricity generation.
    • Lubricants: Crude oil is processed to produce oils and greases used in machines and engines.
    • Asphalt: It is used in road construction and waterproofing.
    • Feedstock for Petrochemical Industry: Crude oil provides the raw materials for petrochemical products such as plastics, fertilizers, and synthetic fibers.
  • Petrochemicals:
    • Plastics: Petrochemicals such as ethylene and propylene are used to make plastic products, including packaging, containers, and consumer goods.
    • Fertilizers: Nitrogen, phosphorus, and potassium-based fertilizers are derived from petrochemicals to enhance agricultural productivity.
    • Synthetic Fibers: Materials such as nylon, polyester, and acrylic are produced from petrochemicals for use in textiles and clothing.
    • Pharmaceuticals: Petrochemicals are used to create medicines and medical products, including painkillers, antibiotics, and antiseptics.
    • Detergents and Cleaning Agents: Many cleaning products are manufactured using petrochemicals such as surfactants.

 

Importance of Crude Oil and Petrochemicals:

  • Economic Growth: Both crude oil and petrochemicals are central to global economies, with crude oil being a major source of energy, and petrochemicals contributing to industries such as manufacturing, agriculture, and healthcare.
  • Energy Supply: Crude oil is a critical energy source, powering vehicles, industries, and homes. It is essential for global transportation and energy sectors.
  • Industrial Development: Petrochemicals are the backbone of numerous industries, from automotive to electronics, enhancing production processes and leading to innovation in materials and technology.
  • Agricultural Productivity: Fertilizers made from petrochemicals help improve crop yields and support global food production, ensuring food security.
  • Consumer Goods and Daily Life: Petrochemicals are present in many everyday items, including clothing, packaging, electronics, and household products, making them indispensable to modern life.

 

EVALUATION:

  1. What are the primary uses of crude oil in modern industries?
  2. How are petrochemicals important in the production of everyday consumer goods?
  3. Explain the process of refining crude oil and how it results in different products.
  4. Discuss the role of petrochemicals in the agricultural sector, particularly in the production of fertilizers.
  5. What are the economic and environmental implications of crude oil extraction and petrochemical production?

CLASSWORK: As in evaluation

CONCLUSION: The teacher marks their books and commends them positively