Basic Science Guides for JSS 1 You and Energy – Energy, Force and Renewable and Non Renewable Energy 

 

TOPIC AREA – Energy, Force and Renewable and Non Renewable Energy 

 

BASIC SCIENCE 

THEME – YOU AND ENERGY 

TOPIC 1 – ENERGY 

 

INSTRUCTIONAL MATERIALS

1. Samples of coal

2. Crude oil

3. Gas

4. Chart of the sun

5. Battery

6. Torch light

7. Turning fork

8. Chart showing a moving car, cooking food, electrical heater, torch light, etc.

 

LEARNING OBJECTIVES

By the end of the lesson, students should be able to:

1. explain the meaning of energy.

 

2. state and describe the sources of energy.

3. name forms of energy.

4. explain how energy is transferred from one form to another.

5. state the uses of energy.

 

CONTENTS OF THE LESSON

FOCUS LESSONS  

1. Meaning of Energy

2. Sources of Energy

3. Forms of Energy

4. Transfer of Energy

5. Uses of Energy

 

LESSON PRESENTATION

TEACHER’S ACTIVITIES

The teacher:

1. initiates discussion.

 

2. leads students to mention sources of energy.

3. provides some materials for activities to illustrate forms of energy

4. uses the activities in (3) to illustrate transfer.

5. Provides charts on uses of energy ford.

 

STUDENT’S ACTIVITIES

The students,

1. participate in discussion

2. mention sources of energy.

3. carry out activities on energy.

4. describe the actions as indicated on the chart.

 

LESSON EVALUATION

Teacher asks students to,

 

1. explain the meaning of energy.

2. state three sources of energy and describe two of them.

3. state four forms of energy.

4. explain the energy transfer in the following: kicking a ball, striking a match, heating water.

5. state four uses of energy.

 

BASIC SCIENCE 

THEME – YOU AND ENERGY 

TOPIC 2 – FORCE 

 

INSTRUCTIONAL MATERIALS

1. Fixed door paper, spring, rubber

2. Charts showing contact and non-contact forces

3. Objects of known mass, meter-rule Newton-meter

4. Knife edge and slotted weights

5. Toy car, cardboard paper, rough surface.

 

LEARNING OBJECTIVES

By the end of the lesson, students should be able to:

 

1. explain the concept of force.

2. identify contact and non-contact forces.

3. differentiate between magnetic and gravitational forces.

4. measure and calculate gravitational force when mass and height are provided.

5. demonstrate balance and unbalanced forces.

6. explain friction, its uses, advantages and disadvantages.

 

CONTENTS OF THE LESSON

FOCUS LESSONS  

1. Concept of force.

2. Types of forces:

– contact and non-contact forces

– magnetic and gravitational forces.

3. Calculation of gravitational force.

4. Balanced and unbalanced forces.

5. Friction: uses, advantages and disadvantages.

Note for the lesson – Meaning and Types of Force

 

LESSON PRESENTATION

TEACHER’S ACTIVITIES

The teacher,

 

1. guides students to push and pull, squeeze, bend and stretch objects.

2. provides chart showing contact and non-contact forces.

3. guides students to calculate gravitational force using the formula GF = mgh.

4. guides students to set up balanced and unbalanced forces.

5. provides materials and direct illustration of frictional forces.

6. initiates and leads discussion on advantages and disadvantages of friction.

 

STUDENT’S ACTIVITIES

The students,

1. carry out activities as directed by teacher e.g. push and pull.

2. identify contact and non-contact forces.

3. carry out activity and calculate GF.

4. practice setting up balanced and unbalanced forces.

5. illustrate frictional force between objects, noting advantages and disadvantages of friction.

 

LESSON EVALUATION

Teacher asks students to,

 

1. explain the concept of force.

2. name two contact and two non-contact forces.

3. state the differences between magnetic and gravitational forces.

4. describe how to determine the gravitational force of an object at a given height. Use GF=mgh for calculation.

5. describe how to set up a balanced force.

6. explain the meaning of friction and state two uses and disadvantages of friction.

 

BASIC SCIENCE 

THEME – YOU AND ENERGY 

TOPIC 3 – RENEWABLE AND NON RENEWABLE ENERGY 

 

INSTRUCTIONAL MATERIALS

1. Charts showing renewable and non-renewable energy.

2. Charts or pictures of renewable solar plates, windmill, hydroelectric source.

3. Samples of non-renewable energy (coal, crude oil, wood, gas).

4. Chart on bunkering, felling of trees, electronic equipment repair.

 

LEARNING OBJECTIVES

By the end of the lesson, students should be able to:

 

1. explain the meanings of renewable and non-renewable energy.

2. give examples of renewable and non-renewable energy.

3. state the implications of misuse of non-renewable energy.

4. describe how energy generation affects quality of life.

 

CONTENTS OF THE LESSON

FOCUS LESSONS 

1. Renewable and non-renewable energy:

• meaning

• examples

• use and misuse.

2. Energy and society

 

LESSON PRESENTATION

TEACHER’S ACTIVITIES

The Teacher,

1. initiates and leads discussion on renewable and non-renewable energy.

 

2. leads the discussion to identify renewable and non-renewable energy.

3. leads discussion on conservation of crude oil, felling of most trees in the forest, overloading the hydroelectric power stations etc.

 

 STUDENT’S ACTIVITIES

The students,

1. participate in the discussion.

2. identify renewable and non-renewable energy.

3. participate in the discussion and note the main ideas.

 

LESSON EVALUATION

Teacher asks students to,

1. explain the meanings of renewable and non-renewable energy.

2. give 3 examples each of renewable and non-renewable energy.

 

3. state one effect of the wrong use of non-renewable energy.

4. state three reasons for careful use of coal or petroleum products.

5. state three ways through which lack of energy supply affects societal development.