Synthetic & Naturally Occurring Drugs

Subject : 

Basic Science and Technology

Term :

First Term


Week 2

Class :

Primary 6/ Basic 6


Previous lesson : 

The pupils have previous knowledge of Basic Science and Technology in their previous classes

Topic :

Synthetic & Naturally Occurring Drugs

Specific Behavioural objectives :

At the end of the lesson, the pupils should be able to

  • say the meaning of synthetic
  • mention examples of synthetic drugs
  • explain the meaning of naturally occurring drugs
  • list examples of naturally occurring drugs


Instructional Materials :

  • Wall charts
  • Pictures
  • Related Online Video
  • Flash Cards

Methods of Teaching :

  • Class Discussion
  • Group Discussion
  • Asking Questions
  • Explanation
  • Role Modelling
  • Role Delegation


Reference Materials :

  • Scheme of Work
  • Online Information
  • Textbooks
  • Workbooks
  • 9 Year Basic Education Curriculum
  • Workbooks


Content  Development :

Meaning of Drugs

Good health is very important because without  it we shall not be able to do a lot of things.


At times we may not be able to do all our daily activities because of lack of strength. Or maybe we are just sick .


When we are sick or indisposed , we need some drugs and medication in order to get back on our feet and be  fit again  .


So what is the meaning of drug ?


Drug is any substance  that is taken into the body by swallowing , drinking , chewing or injection in order to restore the normal functioning of the body . Drug is also taken into the body to sustain and maintain good health.

A drug is a substance that affects the action of the body.’ Drugs can be used as
medicine (i.e. to treat or prevent diseases)

or as a stimulant (i.e. to make the
body more active).

Some of our food crops which are used for food are also
drugs to our body.

It is therefore necessary to take them moderately.

If these

food drugs are taken in large amounts they may become harmful to our



Types Of Drugs 

There are two broad major classification of drugs based on their composition or content . These categories are

  1. Synthetic drugs     and

2. Naturally occurring drugs


Synthetic Drugs : These are drugs that are manufactured by adding various chemical together in the laboratories . Synthetic drugs are produced by human in the lab . A person who is trained to prepare and dispense drugs and medicine
is celled a Pharmacist.

Examples of synthetic drugs are:







Suitcod seas cod liver oil



Naturally Occurring Drugs : These are drugs that are existing in their natural forms as they have been created by God. these drugs are not made by man . They are called natural products.
These are substances from nature, e.g. vegetables, kola nut, coffee, tea,
tobacco, fruits (such as lemon, lime), garlic, salt, pure honey

Drugs that are in solid form are called tablets.

Drugs in liquid form are called syrup.



The topic is presented step by step


Step 1:

The class teacher revises the previous topics


Step 2.

He introduces the new topic


Step 3:

The class teacher allows the pupils to give their own examples and he corrects them when the needs arise




The class teacher wraps up or conclude the lesson by giving out short note to summarize the topic that he or she has just taught.

The class teacher also goes round to make sure that the notes are well copied or well written by the pupils.

He or she does the necessary corrections when and where  the needs arise.



1. What is a drug?
2. Explain the difference between naturally-occurring drugs and synthetic
3. Give four examples of naturally-occurring drugs in Nigeria.
4. I can buy any drugs I like directly from a chemist’s shop – true or false?
5. Is food a drug? Give reasons for your answer.




Prepare for the next lesson by reading about Drug use and abuse