First Term Lesson Note for Week Nine
Class : Primary Four
Subject : Basic Science
Topic : Weather Instruments and their functions.
Duration : 40 Minutes
Period : Single Period
Learning Objectives : By the end of the lesson learners will be able to :
i. Describe the term Weather Instruments
ii. Identify the different types of weather instruments
iii. State the functions of weather
Instructional Material : Chart showing the weather instruments.
Reference Materials :
- Lagos State Unified schemes of work for Upper Primary, (Primary 4 – 6).
- Stan Basic Science and Technology for Primary Schools, Book 4.
- Online Resources
Content :
Weather Instrument and their functions.
The following are weather instruments :
1. Thermometer – it is used to measure the temperature of a person or place.
2. Barometer – it is used to measure the pressure of the atmosphere.
3. Anemometer – it is used to measure the speed of the wind.
4. Rain gauge – it is used to measure the quantity or amount of rainfall.
5. Hygrometer – it is used to measure water vapor in the air (relative humidity).
6. Clock – it is used to show time.
7. Photometer – used to measure Light intensity.
Weather Symbols
Meteorologist make use of these symbols when recording and forecasting weather.
The following are some of the symbols used to observe the condition of weather.
i. Sunny
ii. Rainy
iii. Cold
iv. Cloudy
v. Lightning
vi. Hot
GLOBAL WARMING
Global warming is an increase in the average temperature of the earth’s atmosphere that leads to the change of climate. This is caused by the release of harmful gases like carbon dioxide (co2), chlorofluorocarbons (CFCs) into the atmosphere.
The effect of global warming
- Rising sea level
- Increase in temperature
- Excessive flood.
PROCEDURE
Step 1 : The Teacher revises the previous lesson (CHANGES IN NON – LIVING THINGS).
Step 2 : The Teacher introduces the lesson through question and answer (OUR WEATHER).
Step 3 : The Teacher explains the lessons with the aid of a weather chart showing instruments for measuring weather.
Step 4 : The Teacher then describe some weather symbols. He then writes the note on the board.
LESSON EVALUATION
Teacher ask the learners to:
1. Define weather.
2. Identify three factors affecting weather.
3. Mention three weather instruments
4. Identify and write three simple weather symbols.
CONCLUSION: The teacher summarizes the lesson for a better understanding.
Assignment :
1. Draw any three weather instruments.
2. State the function of each of the weather instruments drawn above.