K.U.W NURSERY 2 THIRD TERM LESSON NOTE

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K.U.W NURSERY 2 THIRD TERM LESSON NOTE 

KNOWLEDGE AND UNDERSTANDING THE WORLD

                                   (K.U.W.)

TOPIC: THE SCIENCE OF CLOUD

In the lesson on water cycle, the children briefly learnt about clouds. But it was not so detailed.  This lesson will explain in detail to the children the things they need to know about clouds for their age. 

LESSON 1: MEANING OF CLOUDS

Have you ever looked at clouds? Clouds are fun to watch and think about. But, what are they, really? We see clouds nearly everyday. They float in the sky above us and block out the Sun. Sometimes clouds are white and puffy. Sometimes they are gray and cover the entire sky. Different kinds of clouds can mean different kinds of weather.

 Clouds are water drops in the air. They are very tiny water drops that float in the air.

These water drops are Ice crystals if it is cold. So, clouds can be white or gray in colour. When the tiny drops of water in the air gather, they form clouds.

 K.U.W NURSERY 2 THIRD TERM LESSON NOTE 

PROMPTING QUESTION:           What are clouds?

 

RESPONSE:                                Clouds are tiny drops of water that float in the sky.

Clouds can be white or gray in colour.  

LESSON 2: THE MISSING WATER (FORMATION OF CLOUDS)

Clouds are created when water vapor, which is an invisible gas, turns into liquid water droplets.  Let’s look at it this way. The water on the ground in rivers, oceans, streams, etc, is drawn into the sky by the heat of the sun. They change to gas and stay in the atmosphere. The water in gas form will mix with different particles in the air like dust, ash or even bacteria.  When they mix, they mix with those particles in the air, the water changes again into solid form as water droplets. When many of such water droplets gather together, they form clouds. 

 K.U.W NURSERY 2 THIRD TERM LESSON NOTE 

Example: You hang up a wet towel and, when you come back, it’s dry.

You put water in a bowl and keep in the sun, after some hours, the water is dried up. Where does the missing water go to? It has evaporated into the atmosphere where it stays and form clouds. . That means some of the liquid water in the towel or bowl changed into an invisible gas called water vapor and drifted away into the atmosphere. 

The same thing is constantly happening with oceans, lakes, rivers, swamps, swimming pools – and everywhere water is in contact with air.

The air can only hold a certain amount of water vapor, depending on the temperature and weight of the air – or atmospheric pressure – in a given area. The higher the temperature or atmospheric pressure, the more water vapor the air can hold. When a certain volume of air is holding all the water vapor it can hold, it is said to be “saturated.” 

K.U.W NURSERY 2 THIRD TERM LESSON NOTE 

Condensation happens with the help of tiny particles floating around in the air, such as dust, salt crystals from sea spray, bacteria or even ash from volcanoes. Those particles provide surfaces on which water vapor can change into liquid droplets or ice crystals. A large accumulation of such droplets or ice crystals is a cloud.

PROMPTING QUESTION:            How do clouds form?

RESPONSE:                                      Clouds form when water on the ground goes back into the

sky as vapour or gas

The gas mixes up with particles like dust in the sky to form drops of water.

When so many drops of water gather together, they form clouds.

 K.U.W NURSERY 2 THIRD TERM LESSON NOTE 

LESSON 3: FOG

EXPLANATION: 

Fox is a cloud that forms on the ground. It is called a cloud at ground level.

They are basically tiny water drops hovering in the air near the ground level. Fog is like a cloud, but it is near the ground, not high in the sky. Thick fog makes it difficult to see the surrounding landscape. Fog forms from water vapour, which is water in the form of a gas. Water vapour in the air condenses, or turns back into liquid, when the air cools. Fog appears when this liquid gathers around bits of dust

When seen on a high speed camera, (a special camera that takes many frames and can view videos at very low speed) fog  looks like hundreds of small water droplets moving through the air.

 

PROMPTING QUESTION:            What is fog?

RESPONSE:                                      Fogs are clouds that form on the ground. 

Fogs are tiny drops of water floating in the air near the ground. 

When there is fog, it is difficult for people to see well. 

 

 

 

TOPIC: SEASONS IN THE YEAR

This lesson will depend on the programme you are running- whether a British curriculum or a mixture of both. But a point to note is that the world is becoming a global village and our children should be trained to be global citizens. So, it will be on point to let them know both the seasons in Nigeria and that of western world.

In year one, they were taught the two seasons in Nigeria and the four seasons in Western world. 

Remember that the two seasons in Nigeria are Rainy season which starts in March and Dry season which starts in November.  And the four seasons in Western world are----- spring, summer, autumn and winter.

LESSON 4: MEANING OF SEASON 

 (It is also important for the kids to know that seasons simply means the different weather conditions we experience in a particular place within a one year period. )

PROMPTING QUESTION:     What is the meaning of season?

RESPONSE:                             Seasons are different times of the year when we have different weather. 

 

LESSON 5:  SEASONS IN A YEAR

A season is a part of a year. Most areas of the Earth have four seasons in a year: spring, summer, autumn (British English) or fall (US English), and winter. 

In some areas there are a different number of seasons. For example in places which are tropical and subtropical, there are two seasons: the rainy (or wet season) and the dry season. This is because the rain changes more than the temperature. Africa and Nigeria inclusive falls under the sub tropical regions that experiences just two seasons in a year.

 

PROMPTING QUESTION:  What are the seasons in Nigeria

RESPONSE:                            There are two seasons in Nigeria. 

The Rainy season, which starts in March  and the dry season which starts in November.

 

 K.U.W NURSERY 2 THIRD TERM LESSON NOTE 

LESSON 6: SEASONS IN WESTERN WORLD

PROMPTING QUESTION:  Mention the Seasons in Western countries

RESPONSE:  The seasons in Western countries like USA and Britain are summer, winter, autumn and spring.  Summer is the hottest season  winter is the coldest season. 

 

LESSON 7: REASON BEHIND THE SEASONS

EXPLANATION: The earth is always moving. There are two types of movement undertaken by the earth. These are rotation and revolution. 

Every year, the Earth goes on a journey around the Sun.  As the earth travels around the sun, it is tilted to one side. This means that the earth bends on one side as it moves around the sun. 

The tilting of the earth affects the amount of daylight each part of the world will get. This in turn makes the temperature hotter or colder. 

If your part of the earth is tilted away from the sun, you will have winter. This means the weather will be cold because you are not getting sunlight. 

But if your part of the earth is tilted towards the sun, you will have summer during those periods because you are getting enough sunlight. 

So, the reason we have seasons is because the earth is tilting one side as it travels around the sun.

 K.U.W NURSERY 2 THIRD TERM LESSON NOTE 

PROMPTING QUESTION:           Why do we have different seasons in a year?

RESPONSE:  We have different seasons in a year because the earth is tilted to one side as it travels around the sun

 The part of the earth that is tilted away from the sun will be winter because it is not getting sunlight

The part of the earth that is tilted towards the sun will be summer because it is getting enough sunlight. 

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