Grade 5 | Science Notes - Weather | Unit-10

Grade-Class 5 Science Notes of Weather Unit 10. Under category 'Science and Environment Education' of Class 5 Science subject Unit:10 - "Weather", Students and teachers can find the notes and solutions of fill in the blanks, true and false statements, match the followings, definitions, give reasons, question and answers, the uses of, unscramble the words, glossary, extra word meanings in Nepali language and extra question answers.

EXERCISE:

1. Fill in the blanks using the words given in the box.

humidity of air	mountain	clouds
atmospheric pressure	climate	weather
bulky dark clouds	sunlight	water cycle

a. A barometer is used to measure atmospheric pressure.

b. When water vapour condenses in the air clouds are formed.

c. A hygrometer is used to measure humidity of air.

d. Mountain cloud is found high up in the sky.

e. Bulky dark clouds cause heavy rainfall.

f. Weather is the condition of the atmosphere at particular time and a place.

g. Climate is the long-term average weather condition of a place.

h. Sunlight is an important factor that causes change in weather condition.

i. The process of continuous evaporation, condensation and rainfall is called water cycle.

Also Read:

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Grade 5 | Science Notes - Life Process | Unit-5

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Grade 5 | Science Notes - Clouds | Unit-11.

Grade 5 | Science Notes - Weather | Unit-10.

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Grade 5 | Science Notes - The Earth | Unit-13.

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2. Write 'T' for true and 'F' for false statements.

a. Weather is the long term average sunlight, humidity and atmospheric pressure of a place. 'F'

b. White feather clouds do not cause rainfall. 'T'

c. Weather does not remain the same at a place. 'T'

d. Satellite pictures are more reliable in forecasting weather. 'T'

e. Some days are very hot and some days are foggy and cold. 'T'

f. Rainfall is measured with a barometer. 'F'

g. All the surface of the earth receives the same amount of sunlight. 'F'

h. Our country has the meteorology department to forecast weather. 'T'

i. The monsoon starts from the second week of June and ends in September. 'T'

3. Select the correct alternatives from the given words.

a. A sunny day is an example of weather. (sunny/rainy)

b. The mountainous region of our country has a cold climate. (climate/weather)

c. Sunlight is the major factor affecting weather and climate. (sunlight/wind)

d. Nimbus clouds cause heavy rainfall. (cirus/nimbus)

e. The percentage of the amount of rainfall of water vapour in air is called humidity. (monsoon/humidity)

f. The monsoon starts from the second week of June in our country. (January/June)

g. A rain gauge measures rainfall. (rain gauge/hydrometer)

h. The meteorology department of Nepal forecasts weather. (meteorology/news)

4. Match the following.

A	B
Thermometer	direction of wind
Weather forecasting	temperature
Barometer	atmospheric condition
Anemometer	water vapour in air
Bulky dark cloud	air pressure
Weather	long-term average of weather
Climate	causes rain-fall
Humidity	predicting weather

Answer:

A	B
Thermometer	temperature
Weather forecasting	predicting weather
Barometer	air pressure
Anemometer	direction of wind
Bulky dark cloud	causes rain-fall
Weather	atmospheric condition
Climate	long-term average of weather
Humidity	water vapour in air

5. Define the following terms.

a. Weather: Weather is the condition of the atmosphere in a particular time at a place.

#What is weather? What do you mean by weather?

b. Climate: Climate is the average of long term weather of a place.

#What is climate? What do you mean by climate?

c. Weather forecasting: Weather forecasting is a process of predicting weather conditions of a place or region in the near future.

#What is weather forecasting? What do you mean by weather forecasting?

d. Humidity: The percentage amount of water vapour in the air is called humidity.

#What is humidity? What do you mean by humidity?

e. Monsoon: The monsoon is the wind that carries humid air from the bay of Bengal.

#What is monsoon? What do you mean by monsoon?

6. Give reasons:

a. Why does the surface of the earth not get sunlight regularly?

Answer: Due to the tilting axis of the earth, the surface of the earth does not get sunlight regularly.

b. Why is weather forecasting needed?

Answer: Weather forecasting is needed to take precaution for the safety of life and property from natural disaster.

7. Answer the following questions.

a. What bring changes in weather condition?

Answer: The amount of sunshine, temperature, humidity and the speed of the wind bring changes in weather condition.

b. List down the factors that cause change in weather and climate.

Answer: The factors that cause change in weather and climate are:-

i. Sunlight,

ii. Wind,

iii. Cloud,

iv. Rain,

v. Humidity,

vi. Monsoon.

c. What are clouds?

Answer: Clouds are large mass of water droplets and ice particles.

d. How are clouds formed?

Answer: Clouds are formed when condenses water droplets cling together.

e. How is weather forecasted?

Answer: Weather is forecasted by using different instruments like rain gauges, anemometer, hydrometers, maximum and minimum thermometers, barometers, etc.

f. What type of climate does the mountainous region of our country have?

Answer: The mountainous region of our country has cold climate.

g. How does the wind blow?

Answer: The wind blows when the cold air takes the place of hot air.

8. Write down the uses of:

a. Rain gauge	b. Anemometer
c. Hydrometer	d. Thermometer
e. Barometer

a. Rain gauge: A rain gauge helps to measure rainfall.

b. Anemometer: An anemometer helps to measure the direction of the wind.

c. Hydrometer: A hydrometer measures the humidity of air.

d. Thermometer: A maximum and minimum thermometer helps to measure the temperature of a day and night

e. Barometer: A barometer helps to measure atmospheric pressure.

9. Unscramble the words below to form the components of weather.

a. PRETEMATURE	b. GLISHUNT DWIN
c. NARILALF	d. SURESERP

Answer:

a. TEMPERATURE	b. SUNLIGHT WIND
c. RAINFALL	d. PRESSURE

GLOSSARY:

Forecast: to suggest what will happen. (#forecast meaning in Nepali language is पूर्वानुमान, भविष्य बाणि.)

Bulky: large. (#bulky meaning in Nepali language is ठूलो आकारको.)

Oblique: indirect. (#oblique meaning in Nepali language is अप्रत्यक्ष, कोल्टो, छड्के.)

Analyze: study something very closely. (#analyze meaning in Nepali language is विश्लेषण गर्नु.)

Phenomenon: fact or occurrence. (#phenomenon meaning in Nepali language is घटना.)

Cling: hold on tightly to. (#cling meaning in Nepali language is टाँसिनु.)

#From above grade class-5 science notes of "Weather" Unit-10, we hope students can define weather and climate. They can explain different factors affecting weather and climate. Also they can explain or describe weather forecasting.

#Thanks for visiting us. We are really happy providing the notes of Grade/Class-5 Science Notes of Weather, Unit-10 :) Please leave comments or suggestions so that we can improve. 😊

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