# Demonstrating Air in Space – Air Occupies Space and Exert Pressure Primary 1 (Basic 1) Term 2 Week 3 Basic Science and Technology

### BASIC SCIENCE

SECOND TERM

WEEK 3

PRIMARY 2

THEME – LIVING AND NON LIVING THINGS

PREVIOUS LESSON – Air Exists (Existence of Air) Primary 1 (Basic 1)

### TOPIC – AIR OCCUPIES SPACE

LEARNING AREA

1. Introductory Activities

2. Air Occupies Space

3. Lesson Evaluation and Weekly Assessment (Test)

### PERFORMANCE OBJECTIVES

By the end of the lesson, the pupils should have attained the following objectives (cognitive, affective and psychomotor) and should be able to –

1. demonstrate that air occupies space using balloons.

2. discover that air exert pressure.

### ENTRY BEHAVIOUR

The pupils know that every is everywhere.

### INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of,

1. balloons and balls, and

2. glass cup, water and cardboard.

### METHOD OF TEACHING

Choose a suitable and appropriate methods for the lessons.

Note – Irrespective of choosing methods of teaching, always introduce an activities that will arouse pupil’s interest or lead them to the lessons.

### REFERENCE MATERIALS

1. Scheme of Work

2. 9 – Years Basic Education Curriculum

3. Course Book

4. All Relevant Material

5. Online Information

### LESSON 1 – INTRODUCTORY ACTIVITIES (AIR OCCUPIES SPACE)

GROUP 1 – BALLOONS AND BALLS

TEACHER’S INSTRUCTIONS

Give the girls balloons and balls to the boys. Ask them,

A. what is the content of the balloons and balls?

B. release the air inside the balloons and the balls, discuss the difference.

Pupil’s expected responses – The balloon and the ball contain AIR.

Teacher’s remark – Air occupies space. The balloon and the ball expand with air while reduce without air.

GROUP 2 – BOTTLE AND WATER

TEACHER’S INSTRUCTIONS

Get an empty bottle with a bowl of water and guide the pupils on the following instructions –

1. Put the a small bottle upside down into a bowl of water. What do you notice?

2. Gently turn the mouse of the bottle towards the water surface. What do you notice?

Pupil’s expected responses –

1. Water cannot fill the bottle.

2. There is bubbles as the water is filling the bottles.

QUESTIONS

A. explain why water cannot enter inside the bottle.

B. Is the bottle empty?

A. Water cannot enter inside the bottle because there is air inside the bottle.

B. No, the bottle is not empty.

Teacher’s remark – Air occupies space.

### LESSON 2 – AIR EXERT PRESSURE

GROUP 3 – GLASS CUP, WATER AND CARDBOARD PAPER

TEACHER’S INSTRUCTIONS

1. Take a glass filled with water up to its brim and place a cardboard on top of it.

2. Press the palm of your one hand on top of post card and then invert the filled glass upside down.

3. Now gently remove your hand from the cardboard to release it.

4. What do you observe?

Expected responses – It is observed that cardboard does not fall from the glass preventing the water come out.

Teacher’s remark – Air exert pressure.

### PRESENTATION

To deliver the lesson, the teacher adopts the following steps:

1. To introduce the lesson, the teacher revises the previous lesson. Based on this, he/she asks the pupils some questions;

2. Teacher organizes the pupils in groups depending on the size of the class.

3. Teacher gives each of the group materials and written instructions.

Pupil’s Activities – The groups identify each material and understand the instructions given to them.

4. Teacher guides each group as they carry out their group’s activities.

Pupil’s Activities – The groups pay attention to the teacher’s instructions and guidance.

5. Teacher call out each group representative for groups presentation.

Pupil’s Activities – The group’s representative makes a presentation and observation based on their group activities.

6. Teacher uses the group’s activities and presentation to introduce the lesson and give a remark.

Pupil’s Activities – The groups pay attention to the lesson introduction based on their group’s activities.

7. Teacher summarizes the lesson on the board by using appropriate lesson evaluation.

Pupil’s Activities – The groups participate actively in the lesson summary by responding to most of the questions and copy as instructed.

### CONCLUSION

To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson.

### NEXT LESSON

Soil as Part of Our Surrounding | Meaning and Uses of Soil Primary 1 (Basic 1) Term 2 Week 4 Basis Science and Technology

### LESSON EVALUATION

Teacher asks pupils to demonstrate how,

1. air occupies space.

2. air exert pressure.