Water – Identification of Things that Float on Water and Sink in the Water (Primary 2)

BASIC SCIENCE 

BASIC SCIENCE AND TECHNOLOGY 

THIRD 

WEEK 7

PRIMARY 2

THEME – LEARNING ABOUT OUR ENVIRONMENT 

 PREVIOUS LESSON – Air III – Properties of Air and Uses of Air (Primary 2)

TOPIC – WATER 

LEARNING AREA

1. Things that Float on the Water

2. Things that Sink in the Water

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. identify things that float or sink in water.

2. demonstrate how to make objects float or sink in water.

ENTRY BEHAVIOUR

Uses of Water

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of:

1. Balloons

2. Dry wood

3. Meter rule

4. Piece of iron

5. Stone

6. Thread

7. Feathers

8. Cork

9. Picture of people in swimming pools using life jackets (inflated wears) or in river staying on top of calabashes.

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

CONTENT OF THE LESSON  

INTRODUCTORY ACTIVITIES 

Presents a bucket of water and asks to state the uses of water. 

Teacher’s activities – Take note of the pupils on the board and make a remark. Also, asks pupils to state the source of water.

PRACTICAL DEMONSTRATION OF THINGS THAT FLOAT AND SINK IN THE WATER 

Teacher’s/Pupil’s Activities – Gives one of the pupils a stone and another pupil, a piece of wood.

Instructions

1. Drop the stone and piece of wood in the water.

2. What do you observe?

Expected response – the stone sink while the piece of wood float. 

THINGS THAT FLOAT ON WATER 

Make things that float on water.

1. Balloons

2. Dry wood

3. Meter rule

4. Piece of iron

5. Stone

6. Thread

7. Feathers

8. Cork

9. Pencil

10. Biro

 

Note – if the pupils are not sure, asks them to drop the object in the water. 

THINGS THAT SINK IN THE WATER 

Make things that sink in the water.

1. Balloons

2. Dry wood

3. Meter rule

4. Piece of iron

5. Stone

6. Thread

7. Feathers

8. Cork

9. Pencil

10. Biro

 

Note – if the pupils are not sure, asks them to drop the object in the water. 

MAKING THINGS THAT FLOAT ON WATER SINK 

 Hint – Tying a stone to piece of wood will make it sink. 

MAKING THINGS THAT SINK IN WATER FLOAT 

Hint – Putting a stone on a plywood will make it float. 

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. Guides pupils to identify objects that:

• float on water

• sink in water.

Pupil’s Activities – Name things that float on water and sink in the water.

3. Demonstrates to pupils some ways of making objects:

• float in water e.g. stone placed in an inflated balloon, human being swimming with aid of a life jacket or calabash.

• sinking in water (e.g tying a stone to a feather, cork, etc.

4. Initiates and guides class discussion on other ways of making float or sink in water.

Pupil’s Activities – Observe the demonstrations and make things to float in water. Make things to sink water.

 

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 – Meaning (Uses) of Clay Soil (Primary 2)

LESSON EVALUATION 

Pupils to:

1. name 5 things that float on water.

2. name 5 things that sink in water.

3. make things that float on water to sink.

4. make things that sink in water to float.