JSS3 FIRST TERM BASIC SCIENCE LESSON PLAN / SCHEME OF WORK

Lesson Notes / Scheme of work

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JSS3 FIRST TERM BASIC SCIENCE LESSON PLAN / SCHEME OF WORK

WEEK ONE

DRUG AND SUBSTANCES

CONTENT

  • Definition
  • Health Effects of Drug Abuse on Youth
  • Strategies on How to Live an Healthy Drug Free Life
  • Roles of National Drug Control Agency (NDCA)

 

CONTENT

DRUG AND SUBSTANCE ABUSE

Drug abuse is the excessive use or continuous use of drugs without regard for accepted medical practice. When a drug is used to incite pleasure or escape reality, especially without the doctor’s prescription, is said to be abused.

 

Substances can also be abused when they are taken beyond acceptable limits. Excess intake of alcohol, cigarette, Marijuana and Indian helm are all example of substance abuse.

 

HEALTH EFFECTS OF DRUG ABUSE ON YOUTH

Drug and substance abuse has some immediate effects like lightheadedness, stomach upset, skin rashes, injection abscesses and so on but there are also more chronic effects like:

  1. There is a ‘crash’ after the ‘high’ of taking drugs. There is usually fatigue, depression, anxiety and dependence after the drug effect has worn off.
  2. Drug abusers easily lose focus.
  3. Drug abuse increases the rate of accident because most drugs affect the motor nerves that controls movement of body parts.
  4. The aftereffect of some drugs create illusion and hallucinations which terrifies the victim.
  5. Unsterilised needles are often used by abusers. This exposes them to a high risk of contacting dangerous disease.
  6. Drug overdose often place its victims in coma or a vegetable state unless taken care off.
  7. Victim of drug abuse are often violent and found to be psychological unhealthy.

EVALUATION

  1. What is drug abuse?
  2. What are the health effects of drug abuse?

 

STRATEGIES ON HOW TO LIVE AN HEALTHY DRUG FREE LIFE

  1. Always use drugs according to doctor’s prescription.
  2. Inculcate positive social interactions and healthy lifestyle.
  3. Always reject any invitation to take drugs or substances that are unfamiliar or that are likely to be abuse. Say NO to drug and substance abuse.
  4. Avoid going to indecent places (e.g clubs, bar, anti social gatherings) where drug abuse is likely to occur.

 

ROLES AND ACTIVITIES NATIONAL DRUG CONTROL AGENCY (NDCA)

The Drug control Agencies in Nigeria include:

  1. NAFDAC (National Agency for Food and Drug Administration and Control)
  2. NDLEA (National Drug Law Enforcement Agency)

 

The functions of these agencies are as follows:

  1. They control the manufacturing of drugs.
  2. They monitor sales and distribution of drugs.
  3. They refill prescriptions.
  4. They care for drug dependent victims.
  5. They control of environment conducive to drug abuse development.
  6. They research on the method of rehabilitation of drug addict.
  7. They educate the general public on the need to avoid drug abuse.

 

EVALUATION

  1. State four strategies that can help one to live a drug free life
  2. State two drug control agencies in Nigeria and their functions

 

GENERAL EVALUATION

  1. Mention four commonly abused substances and their method of use.
  2. State four ways to control drug abuse.
  3. State five effect of drug abuse on youth.
  4. What is drainage?
  5. List five types of abstinence

 

READING ASSIGNMENT

Basic Science Made Easy for JSS Three by F.I. Kehinde et al. Chapter 4. Pages 12-13

 

WEEKEND ASSIGNMENT

  1. The excessive use of drugs without prescription is called drug ___ abuse  B. misuse  C. overdose  D. use
  2. Which of the following is an effect of drug abuse on youths. Increased focus  B. Wealth  C. Depression  D. Happiness
  3. An agency that controls the production and distribution of drugs in Nigeria is EFCC  B. NDLEA  C. DSS
  4. Which of the following is an example of a commonly abused substance? Water  B. Opium  C. Paracetamol  D. Juice
  5. Which of the following places is substance abuse more likely? Club  B. Church  C. Conference  D. At home

 

THEORY

  1. What is drug abuse?
  2. State five ways in which drug abuse can be reduced among teenagers.

 

 

WEEK TWO

FLOODING

CONTENT

  • Causes of Flooding.
  • Factors that Affects Flooding.
  • Consequences of Flooding.
  • How to Control Flooding.

 

INTRODUCTION

Flood is a disastrous overflow of water from a lake or other body of water due to excessive rainfall or other input of water.

 

When there is heavy rain, so much water flows in=to the rivers that they come over the tops  of their banks and flood the land. This can be useful in many places as the flood carries a lot of silt into the flooded area thereby making that area very good for agriculture. However, if the floods are deep i.e., much, they can be harmful as they can destroy villages, etc.

 

Controlling floods will involve taking risks. Since floods are natural.

 

CAUSES OF FLOODING

  1. Heavy rain.
  2. Long periods of rain.
  3. Very wet saturated soil.
  4. Compacted or dry soil.
  5. Overflowing rivers.
  6. Lack of drainage system.
  7. Blocked drainages.

 

EVALUATION

  1. What is flood?
  2. State four causes of flooding.

 

FACTORS THAT DETERMINE OR AFFECT FLOODING

  1. The amount of water that runs off the wind.
  2. The amount of rainfall.
  3. The temperature.
  4. The type and condition of the soil.
  5. The amount and type of vegetation.

 

CONSEQUENCES OF FLOODING

  1. Loss of lives and valuable properties.
  2. Destruction of crops.
  3. Loss of livestock.
  4. Widespread of waterborne diseases.
  5. Disruption of business activities.

 

HOW TO CONTROL FLOODING

  1. By building dams
  2. By building very high walls along the rivers banks to prevent it from overflowing its banks.
  3. By widening the rivers.
  4. By building reservoirs to hold more water during flooding.
  5. Streams may be diverted so that they do not flow into a particular river and result to flooding.
  6. Irrigation

 

EVALUATION

  1. State four consequences of flooding.
  2. State four factors that leads to flooding.
  3. State fours way to control or manage flooding.

 

SOIL EROSION

Soil erosion is the wearing away and loss of soil from an area. Soil erosion is the washing away of soil by heavy rain or wind resulting in formation of gulley and landslides and leaving behind barren rocks and slits on which plants can no longer grow. Soil erosion poses serious to agriculture as it wash away the nutrient from the topsoil.

 

TYPES OF EROSION

Based on the cause of erosion, we have:

 

Water erosion: This is the erosion caused as a result of heavy rainfall or flood which wash away the soil on slopes. Constant flow of water create gullies over a long time. When rain falls on sloppy ground the water runs off thereby washing away a large portion soil and also breaking down rocks in a process called weathering.

Wind erosion: This the erosion caused by fast moving wind which exposes the top soil and carry them away. Wind erosion can be controlled by planting trees along the wind path. These trees serve as windbreaker

 

HUMAN ACTIVITIES THAT CAUSE EROSION

Burning of bush: The deliberate or accidental burning of bush destroys the soil structure and exposes it to erosion and high temperature.

 

Farming: The cutting of trees and clearing of farmlands exposes the soil to erosion

 

Building of house and industries: The clearing of land before the building of houses promote erosion.

 

Growth of town: Development of town leads to the exposure of the soil surfaces which can easily be washed away.

 

Construction of roads: The construction of new road leads to the breaking of soil structure which make it easy for soil to be washed away.

 

EFFECTS OF EROSION

  1. It reduces soil fertility.
  2. It damages road and soil surfaces.
  3. It destroys farmland and farm produce.
  4. It may lead to lose of buildings.
  5. It leads to loss of lives through accident and building collapse.

 

CONTROL OF EROSION

  1. Indiscriminate burning of bushes should be stopped.
  2. Plant of trees and cover crops.
  3. The practice of mulching in which cut grass residue are spread over the soil surface under a growing crop which retains moisture, reduces weeds and prevent exposure of the soil surface thereby reducing soil erosion.
  4. Construction of terraces on sloppy land.

 

METHODS OF PREVENTING SOIL EROSION

  1. Wind erosion can be prevented by planting cover crops, grasses and belt of trees which serves as wind breakers.
  2. Water erosion and flooding can be prevented through proper canals and drainage channels to lead water away in to rivers.
  3. Gully erosion can be stopped by small dams with stones and sticks along the gullies in order to capture soil that is being washed away.
  4. Terrace should be build to prevent erosion. Terraces are barriers constructed along contours of the land which hinders the rapid flow of water down the slopes.

 

GENERAL EVALUATION

  1. What is flood?
  2. What are the activities of man that contributes to flooding?
  3. What is power?
  4. What is puberty?
  5. Explain what you understand by “teetotalism”
  6. What is pregnancy?

 

READING ASSIGNMENT

Basic Science Made Easy for JSS Three by F.I. Kehinde et al. Chapter 5. Pages 15-16

 

WEEKEND ASSIGNMENT

  1. The overflowing of rivers as a result of continuous rainfall leads to
  2. erosion B. deforestation C. flooding  D. drought
  3. Which of the following will help to control flooding? Overgrazing
  4. Deforestation C. Damming of rivers D. Dumping of refuse
  5. Which of the following does not contribute to flooding?
  6. Blocked drainages B. Overflowing rivers C. Adequate drainage system
  7. Loss of lives
  8. Which of the following is a consequence of flooding? Growth and development   B. Increased fertility  C. Destruction of livestock  D. Provision of food
  9. Flood is a ___ occurrence. natural  B. Man-made  C. Phenomenal
  10. Economical

 

THEORY

  1. List five things you can do to prevent flooding in your immediatel environment.
  2. What are the environmental and economic impacts of flooding?
  3. Mention five ways to prevent erosion?

 

 

WEEK THREE

DESERTIFICATION AND DEFORESTATION

CONTENT

  • Definition of Deforestation
  • Causes of Deforestation
  • Effects of Deforestation
  • Control of Deforestation

 

DEFINITION

Deforestation is the continuous removal of trees without replacing or replanting them. Deforestation is also the permanent destruction of forest in order to make land available for other uses.

 

CAUSES OF DEFORESTATION

  1. Removal of trees to make land available for the construction of roads, building of houses and industries, recreational centres and so on.
  2. Indiscriminate logging by poachers for industrial purposes like the production of paper, furnitures, sculptures etc.
  3. Felling of trees to make wood available for domestic purposes like cooking.
  4. Burning of forest for hunting and farming.
  5. Natural causes like forest fire during thunderstorm or landslides can also lead to loss of forest trees.

 

 

EVALUATION

  1. What is deforestation?
  2. State five causes of deforestation.

 

EFFECTS OF DEFORESTATION

  1. Deforestation leads to the loss of of wildlife and biodiversity. This means that wild animals in the forest like monkeys, gorillas etc, will gradual die off.
  2. Deforestation contributes to climatic change and increase in global warming.
  3. Deforestation lead to the lost of habitat of so many species of animals especially birds.
  4. Deforestation lead to decrease in atmospheric oxygen and increase in CO2. This means that plants and animals are in danger because there will less oxygen to breathe in.
  5. Deforestation leads to flooding and erosion.
  6. Deforestation may lead to starvation and homeless. This is because there will be no food or wood to build shelter.
  7. Deforestation may lead to economic loss if forest raw materials are no longer available for industry to use or export.

 

WAYS TO CONTROL DEFORESTATION

  1. Afforestation: This is the planting of trees in places where they are not planted before. Afforestation helps to bring forest condition to places where they do not exist before. An example of afforestation is the “Plant A Tree” initiative.
  2. Reforestation: This is the replanting of trees to replace those trees that have been removed from the forest.
  3. Government should make laws against indiscriminate poaching and logging.
  4. Government should make laws against bush burning.
  5. The use of forest guards to keep trespassers away from the forest.

 

EVALUATION

  1. State four effect of deforestation.
  2. State four ways to control deforestation.

 

IMPORTANCE OF FOREST

  1. The forest provides raw materials like timber, latex, and medicinal extracts etc, to industries.
  2. Trees of the forest help in purifying the atmosphere by removing excess CO2 from the atmosphere for photosynthesis.
  3. The forest is the home of many animals which provides hides and skin for us to make clothes, bags, shoes and so on.
  4. The availability of forest provides employment for a lot of people.
  5. The presence of trees slows down erosion and desert encroachment.

 

EVALUATION

What are the importance of forest to man.

 

CONTENT

  • Definition of Desertification
  • Causes of Desertification
  • Control of Desertification

 

DESERTIFICATION

A desert is a large area of land with little or no rainfall where very few plants grow. Desertification is the process of making a non desert area a desert. It is the spread of desert to places where they previously do not exist. In Nigeria, about 50% to 75% of the northeast and northwestern states are deserts. State like Bauchi, Bornu, Gombe, Taraba, Jigawa, Kano, Katsina, Kebbi, Sokoto, Yobe and Zamfara all have deserts. Like most environmental hazards, desertification is majorly influenced by climatic change and human activities.

 

LIST OF SOME DESERTS IN AFRICA

  1. Sahara desert is the largest hot desert found in North Africa.
  2. Namid desert found in Southern Africa.
  3. Kalahari desert also found in Southern Africa.

 

CAUSES OF DESERTIFICATION

  1. Frequent bush burning.
  2. Water impoundment.
  3. Increased salinity.
  4. Climatic change.

 

EVALUATION

  1. What is a desert?
  2. What is desertification?
  3. Mention four causes of desertification.

 

CONTROL OF DESERTIFICATION

  1. Planting of leguminous crops to restore soil fertility.
  2. Digging of artificial grooves to retain rainfall and trap wind blown seed.
  3. Planting of trees and cover crops.
  4. Public awareness on the need to prevent desertification.
  5. Use of proper farming method can help prevent desertification.

 

EVALUATION

Mention four ways to control desertification.

 

GENERAL EVALUATION

  1. What is deforestation?
  2. List three major deserts in the world and their location.
  3. List five ways to control erosion.
  4. What is a skeleton?
  5. List the planets in our solar system according to their distance from the sun.

READING ASSIGNMENT

Basic Science Made Easy for JSS Three by F.I. Kehinde et al. Chapter 4. Page 12

 

WEEKEND ASSIGNMENT

  1. One of the method of control of the deforestation include bush burning  B. Logging  C. Afforestation  D. Clean weeding
  2. The largest desert in the world is found in Australia  B. South Asia
  3. North Africa D. Western Europe
  4. One of the following is not a method of controlling desertification.
  5. Overgrazing B. Afforestation C. Planting of cover crops  D. Public awareness
  6. One importance of forest trees is that they Purify the atmosphere
  7. cause soil erosion C. destroy the ozone layer D. lead to loss of biodiversity
  8. The planting of trees where they do not previous exist is called
  9. Deforestation B. Desertification C. Afforestation  D. Reforestation

 

THEORY

  1. What are the benefits of forest to man?
  2. Explain how increased salinity can cause desertification.

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