K.U.W NURSERY 2 SECOND TERM

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K.U.W NURSERY 2 SECOND TERM

LESSON NOTE

 KNOWLEDGE AND UNDERSTANDING THE WORLD

                    (K.U.W.)

 

 

LESSON 1: MEANING OF WEATHER

This lesson is treated in nursery one curriculum. The essence here is to refresh their minds. 

 (Refer to nursery 1 curriculum for detailed explanation on the science of weather)  Weather is the daily state of the atmosphere in any given place. It means the condition of the atmosphere at any given time. If it is raining in Abuja right now, that is the weather in Abuja.

If it is snowing in London, that is the weather in London as at that time.

So, what ever is happening in the air at any given time is the weather of that place.   

 

 

PROMPTING QUESTION:                        What is weather?

 

RESPONSE:                                        Weather is anything that is happening in the sky at a

particular time. 

                                                            The weather in one place may be different 

from the weather in another place

 

K.U.W NURSERY 2 SECOND TERM 

       LESSON 2: EXAMPLES OF WEATHER

 

A whole lot of things happen in the sky or atmosphere. But the fact is, what is happening in one place may be different from what is happening in another place. Use locations to explain to the kids the differences in weather. Remember, in senior classes, we define weather as the atmospheric condition of a place over a short period of time. 

For instance, it may be raining in Abuja right now, but in Lagos, there could be very hot sun, in Kaduna, there could be wind, etc.

It may be snowing in America right now, while Europe may be having heavy rain or sunshine. 

        • PROMPTING QUESTION:             What are the examples of weather?

 

✓ RESPONSE:                              Examples of weather are the things that can          happen in the sky: these are:

Rain, sun, winds, lightening, storms, hurricanes, Tornadoes and snow.     

 

 

LESSON 3: WHERE DOES THE RAIN COME FROM?

 

Rain is one of the examples of weather. The children know that rain is when water falls from the sky. But do they know where the water comes from? 

This lesson will explain the concept of water cycle to the children in very simple way. 

 

EXPLANATION: 

 Rain is droplets of water that fall from clouds. Rain is actually part of a bigger part of the weather called precipitation. Precipitation is any form of water that falls to the earth. It can come in form of rain, drizzle, hail, snow and sleet.

 K.U.W NURSERY 2 SECOND TERM

WHERE RAIN COMES FROM:

Water is always moving. The rain that falls where you are may have been water in the ocean a couple of days before.

Rain comes from rivers, oceans, seas, water on leaves, lakes etc. When the sun shines on water on ground, it draws the water into the atmosphere through a process called evaporation. The water gathers in the atmosphere and change into droplets which form clouds. This happens through a process called condensation. When the cloud becomes too heavy due to many droplets on it, it breaks loose through the force of gravity and the droplets fall back to the ground as rain.

 

Water can also fall on the ground as snow, drizzle, hail or sleet.

Water stays in some places longer than others. A drop of water may spend over 3,000 years in the ocean before moving back to the atmosphere.

On average a drop of water spends an average of 8 days in the atmosphere before falling back down to earth.

 

PROMPTING QUESTION:                Where does the rain come from?

RESPONSE;                                         Rain is the water on the ground that went back to the

sky

The Sun draws water from rivers, seas, lakes, oceans and takes it to the sky

The water gathers in the sky to form cloud

When the cloud becomes too heavy, it breaks and the water falls back to the ground as rain

 

 

 

K.U.W NURSERY 2 SECOND TERM 

CLASS ACTIVITIES

 

Evaporation Activity:

Put about 2 teaspoons of water each in two different dishes.  Place one dish in the sunlight or directly under a light source and 

Put the other dish in the shade. 

Ask the children to check the dishes every 4 hours and make observations about how quickly the water evaporates from each one. 

The children will discover that the water in sunlight will disappear faster than the water placed in a shade. 

The disappearance means that the water has gone back to the sky Cloud in a Bottle

CONDENSATION 

Add warm water to a 2-liter bottle until it's about a third of the way full. 

After screwing on the cap, squeeze and let go of the bottle. Ask your students to record what happens. 

Now, remove the cap. Light a match, and after blowing it out, place it into the bottle while still warm. Put the cap back on and then squeeze and let go of the bottle again. A cloud will form inside the bottle demonstrating condensation and cloud formation. 

 

. CLASS ACTIVITY 2:

These simple class activities will explain the concepts of evaporation- water moving to the sky as gas; Condensation- water forming clouds in the sky- changing from gas to solid and Precipitation- water falling on earth as rain indicating water has changed from solid back to liquid.

 

 WHAT YOU NEED

•       Four cups

•       Water

•       Marker

•       Ice cube

•       Shaving cream

•       Food coloring

 

EVAPORATION:

Place a full cup of water in front of a window with enough sunshine. 

Use a marker to make a line to note the water level at the beginning.

Every one hour, mark the water level again to notice the drop in the water level

As the sun heats the water, it begins to evaporate.

If you are patient enough, you will notice that the whole water will evaporate into the sky.

(another simple illustration is when we spread wet clothe in the sun. after few minutes, the clothe becomes dry, showing that the sun has caused the water to evaporate into the sky) 

CONDENSATION:

When the water vapor reaches the sky it cools to form clouds. 

Fill a cup approximately two-thirds full of hot water. 

Take another cup, turn it upside down, and place it on top of the cup with hot water.

 Then place an ice cube on top of the upside down cup. 

Condensation will begin to form at the top of the upside down cup, just like a cloud.

 K.U.W NURSERY 2 SECOND TERM

PRECIPITATION:

 fill a cup almost full with water. 

On top spray shaving cream as clouds. 

Then, squirt several drops of food coloring on top of the shaving cream.

As the “cloud” becomes heavy, the food coloring will “rain” into the cup.

 

 

 

 

LESSON 4: MEANING OF TEMPERATURE:

 

EXPLANATION: 

Children know if something is hot or cold. From an early age, they are told not to touch a hot stove or to wear a coat when it’s cold outside. This understanding of temperature is a good starting point to teach the difference in temperature.

Temperature is part of our everyday life.

 Temperature is how much heat is in a thing.  It simply means how hot or cold something is. 

 

 

PROMPTING QUESTION:                What is temperature?

 

RESPONSE:  Temperature is how hot or cold something is. When the sun is shining, the weather can be hot. When rain is falling, the weather can be cold. 

 

 

 

 

LESSON 5: INSTRUMENT FOR MEASURING WEATHER

 

There are special instruments scientists use to measure the various factors of weather. The measurement of weather conditions help a great deal in our everyday life. 

The information helps people to make important decisions about their day and their future activities. 

For instance, it helps in determining an area’s climate. 

When we know the weather condition, it can help us to determine things like clothes to wear, best time to travel, when it’s safe to fly an aeroplane etc. 

Weather measuring help to provide warning signal to people which enable people to prepare for any bad weather that may come like heavy rainfall, dangerous wind, hurricanes etc.  Farmers use weather reports to plan their farming activities—to know the best time to plant and harvest. 

Tourism companies use weather measurements to plan travels for their clients and which country to visit at specific time. 

Pilots know what is happening in the atmosphere to keep their passengers safe in the sky.

 

The major instruments for measuring weather are: anemometer, wind vane, thermometer, hygrometer, rain gauge. 

 K.U.W NURSERY 2 SECOND TERM

PROMPTING QUESTION:                Mention the instruments for measuring weather

 

RESPONSE:                                        The     instruments     for     measuring     weather     are:

thermometer, rain gauge, wind vane, anemometer and hygrometer.

 K.U.W NURSERY 2 SECOND TERM

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