Class: Primary Three
Term: First Term
Subject: Basic science and Technology
Curriculum Theme: Basic Science
Previous Lesson: Measurement of Mass
Topic: Instruments for Measuring Mass, Length, Breadth, and Height
Content/Learning Area: Instruments for Measuring Mass, Instruments for Measuring Length, Instruments for Measuring breadth, Instruments for Measuring Height
Time Allocation: 40 minutes

Performance Objectives

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

Cognitive Domain:

– List the instruments for measuring mass, length, breadth, and height.
– Identify and mention various instruments for measuring mass, length, breadth, and height.

Affective Domain:

– Show interest in learning about measuring instruments.

Psychomotor Domain:

– Measure the mass, length, breadth, and height of objects around them.

Social Domain:

– Work cooperatively with peers during practical activities.

Reference Materials

9 – Years basic Education Curriculum
Abuja Educational resource Centre Scheme of Work
NAPPS National Unified Scheme of Work
Online Data
Relevant Textbooks

Instructional Materials

To deliver this lesson, the teacher will employ the help of the following materials:

Mass balance
Weighing scale
Spring balance
Ruler
measuring tape
Vernier caliper
Spirit level
Various objects for measuring
Whiteboard or chart
Markers

Rationale for the Lesson

understanding measurement is basic to many aspects of science and everyday life. This lesson provides a foundation for future learning in science and mathematics, enabling pupils to accurately measure and quantify the world around them.

Prerequisite/Previous Knowledge

Pupils have some basic understanding of objects around them.

Lesson Content

What are Instruments for Measuring Mass?

mass is the measure of how much matter is in an object. The following are instruments used to measure mass:

Mass Balance: A mass balance compares an object’s mass to known standard masses to determine its mass.
Weighing Scale: A weighing scale measures an object’s weight using a spring or lever system.
Spring Balance: A spring balance measures an object’s weight by measuring the force of gravity on it using a spring.
Electronic Balance: An electronic balance uses electronic sensors to measure the force exerted by an object, providing a digital display of the mass.
Triple Beam Balance: A triple beam balance uses a system of beams and riders to compare the mass of an object to known weights.

What are Instruments for Measuring Length?

Length is the measurement of distance from one point to another. These include:

Ruler: A ruler is a straight tool with markings for measuring length.
Measuring Tape: A measuring tape is a flexible tool for measuring length, breadth, and height.
Yardstick: A yardstick is a longer ruler, typically one yard (36 inches) in length, used for measuring longer distances.
Laser Distance Meter: A laser distance meter uses a laser beam to accurately measure distances,often used in construction and surveying.
Odometer: An odometer is a device used to measure the distance traveled by a vehicle.

What are Instruments for Measuring breadth?

Breadth refers to the width of an object. The following are instruments used to measure breadth:

Vernier Caliper: A vernier caliper precisely measures inside and outside dimensions.
Measuring Tape: A measuring tape can also measure breadth due to its adaptability.
Micrometer Screw Gauge: A micrometer screw gauge is used for precise measurement of small thicknesses or diameters.
Digital Caliper: A digital caliper provides a digital display of measurements, offering high precision and ease of reading.
inside Caliper: An inside caliper is used to measure the internal dimensions of an object.

What are Instruments for Measuring Height?

Height is the measurement from the base to the top of an object. These include:

Measuring Tape: A measuring tape is a versatile tool for measuring height.
Spirit Level: A spirit level helps determine if a surface is horizontal or vertical, aiding in height measurement.
Height Gauge: A height gauge is used in manufacturing and inspection to measure the height of workpieces.
Stadiometer: A stadiometer is a medical instrument used for measuring a person’s height.
Altimeter: An altimeter is used to measure altitude, which is the height above a fixed reference point, often sea level.

Teaching Methods

To deliver this lesson,‌ ⁤the teacher will⁤ adopt⁤ the following methods: Exhibition, Practical activity, Question and answer.

Instructional Procedures

To deliver this lesson, the teacher will adopt the following steps:

Step 1: Introduction

Time: 5 minutes
Teaching Skill: Set Induction
Teacher’s Activity: Review previous lesson and introduce the topic of measuring mass, length, breadth, and height. Ask pupils what they already know about measurement.
Pupils’ Activity: Respond to teacher’s questions and share their prior knowledge.

step 2: Explanation of Key Concepts

Time: 10 minutes
Teaching Skill: Explanation
Teacher’s Activity: Explain the concepts of mass, length, breadth, and height, and the importance of accurate measurement. Show examples of each.
Pupils’ Activity: Listen attentively and ask clarifying questions.

Step 3: Presentation/Guided practice

Time: 10 minutes
Teaching Skill: Demonstration
Teacher’s Activity: Demonstrate how to use different measuring instruments (mass balance, weighing scale, ruler, measuring tape, vernier caliper, spirit level). Guide pupils in measuring objects.Pupils’ Activity: observe the demonstration and participate in guided practice.

Step 4: autonomous Practice

Time: 10 minutes
Teaching Skill: monitoring
Teacher’s Activity: Supervise pupils as they independently measure various objects using the instruments.
Pupils’ Activity: Measure objects and record their measurements.

Step 5: Note-Taking

Time: 2 minutes
Teaching Skill: Note-taking
Teacher’s Activity: Guide pupils in taking notes on the different measuring instruments and their uses.Pupils’ Activity: Take notes on the lesson.

Step 6: Evaluation/Review

Time: 3 minutes
teaching Skill: Questioning
Teacher’s Activity: Ask evaluation questions to assess pupils’ understanding.
Pupils’ Activity: Answer the evaluation questions.

Step 7: Conclusion

Time: 5 minutes
Teaching Skill: Summarizing
Teacher’s Activity: Summarize the key concepts learned and assign homework where pupils will measure different objects at home and record their findings.
Pupils’ activity: Listen to the summary and note the homework assignment.

Lesson Keywords

Mass – The amount of matter in an object.
Length – The measurement of distance from end to end.
Breadth – The width of an object.
Height – The measurement from base to top.
Instrument – A tool used for a specific purpose.
Measurement – The process of determining size, quantity, or degree.

Lesson Evaluation

To evaluate the learning, the teacher asks pupils to:

What instrument measures mass?
What instrument measures length?
How do you measure an object’s breadth?
Why is using the correct measuring instrument critically important?
Name two instruments used for measuring height.

Assignment/Homework

Measure the length and breadth of your textbook using a ruler.
Find three objects at home and measure their height using a measuring tape.
List the instruments you would use to measure the mass of different items in your kitchen.

Differentiation

For slower learners: Provide one-on-one assistance and use simpler measuring instruments.
for advanced learners: Introduce more complex measuring instruments and tasks.
For visual/auditory/kinesthetic learners: Use visual aids, verbal explanations, and hands-on activities to cater to different learning styles.

Note for Teachers

Ensure that pupils have access to the measuring instruments and provide clear demonstrations. Encourage pupils to ask questions and provide assistance as needed. Emphasize the importance of accurate measurement in everyday life.