std 4 EVS SCERT [Lesson 6 Up above the sky]

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 Lesson 6

Up above the sky [1st day-4/2/2021]


1.why is the moon light not hot?


*The sun is a star that gives out heat and light of its own. But moon can't do that. It only reflects the sunlight that falls on it.


2What is a star?


*stars are heavenly bodies that shine in the sky.

3.Sun is a ------

*star

4.--------is a star that gives out light of its own.

*The sun


5.What is a planet?


*Planets are heavenly bodies in the sky that revolve around the sun along a definite path.

6.Name the planets in Solar System.

*Mercury, Venus, Earth,
Mars, Jupiter, Saturn, Uranus, Neptune


7.What is Satellite?


*Satellite are heavenly bodies that revolve around planets.


8.-------is the only satellite of the earth.


*The moon



9.what is rotation?


*The spinning of the earth on its own axis is called rotation.


10.What is revolution?


*The movement of earth around the sun is called revolution.


11. How do occur day and night in the earth?


*As the earth rotes on its axis, and the part of the earth on which sunlight falls experiences day and other part experiences night.





12.What is meant by a day?


*The earth takes 24 hours to complete one rotation. This period is called a day.


13.What is meant by one year?


*The earth takes 

365 1/4 days to complete one revolution. This period is called a year. 

Rotation and Revolution video👇



14.Do this activity

[Page 62]


2nd day [ 10/2/2021]


15.why is the moon fully bright on some nights and not see on other nights?

*Moon reflects the sunlight. Due to the revolution of the moon around the earth, we cannot see the moon fully every day.


16. New Moon day [Amavasi] കറുത്തവാവ്






* The moon is not seen at all when the part of the moon that does not get sunlight faces the earth. This day is called new moon day.


17.Full moon day

[Pournami ] 

വെളുത്ത വാവ്



*The day on which the illuminated part of the moonis fully visible from the earthis called full moon day.



18. How many days are there between one full moon day and the next one?


*There is 28 days in between one full moon day and the next full moon day.


19. How many days are there between one new moon day and the next one?

*There are 28 days in between one new moon

day and the next new moonday.

20. How many days are there between one new moon day and the next full moon day?


*There is 14 days in between one new moon day and the next full moon day


3rd day[18/2/2021]

21. What is Lunar phase or Moon phase?
[വൃദ്ധിക്ഷയം ]


*The moon phase or Lunar phase is the shape of the moon's directly sunlight portions as viewed from Earth.

22.what is waxing phase?[വൃദ്ധി ]

*On the moon's journey from new moon to full moon, we see a growing portions of its illuminated half, and this called the waxing phases. [waxing means growing or increasing]

23.what is waning phase?[ക്ഷയം ]

*As the moon then goes from full moon to new moon, we see a diminishing portions of its illuminated half, and this is called waning phase.[waning means decreasing]



24. How is the surface in the moon?

*full of rocks, pits and hills


25. The distance from earth to moon is ------

*384403 km

26. How much time did the moon take to one rotation?

*27.3 days

27. How much time did the moon to take one revolution around the earth?

*27.3 days

28. From the earth we can see only one part of the moon? Why?

*Because the moon take same time for one rotation and revolution around the earth.
[synchronous rotation]


29.High tide and
 Low tide

*Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by Moon and Sun, and the rotation of Earth.



30. what is an eclipse?

*An eclipse takes place when a celestial body is
temporarily obscured by another celestial body or its shadow.



31.what is lunar eclipse?

*A lunar eclipse happens when Earth passes between the Sun and the Moon. At this time the Earth's shadow falls on the lunar surface.

32.what is solar eclipse?

*A solar eclipse occurs when the Moon moves between the Sun and Earth. At this time the moon's shadow falls on the Sun.

33.why not an eclipse at every full and new Moon?

*The moon's orbit is inclined to Earth's orbit by about 5 degrees.

34. Lunar eclipse happens on------day.

*Full Moon day

35. Solar eclipse happens on ------day.

*New Moon day

36. Natural satellite of the earth

*Moon

37.what is artificial Satellite?

*Artificial Satellites are
made by man and sent
to space for various purpose.

38.what are the uses of artificial Satellite?

*
.Communication
.weather forecast
.transportation
.military, defense activities
.help in preparing map
. Identifying Land resources

39. Which is the first man made object, that reached the moon?

*Luna 2 [in 1959]

40. ---- the American astronaut, was the first man to land on the moon

*Neil Armstrong

41.---- is the space flight that first landed human on the moon.

*Apollo 11

42. Who were the 3 crew members of Apollo 11?

*Neil Armstrong, Michael Collins, Edwin
Aldrin

43.when did man first land on the moon?

*1969 July 21

44. Moon day is observed on ------

*July 21

45. First Artificaial Satellite of India?


*Aryabhatta

46. which is the first India's lunar space mission?

*chandrayan1

47.Write the name of artificial satellites launched by India

*Aryabhatta, EDUSAT,

INSAT

48. India's first education satellite

*EDUSAT


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കുട്ടികളും പക്ഷികളും പകരം പദം കിടച്ചീടുക = കിട്ടുക ഞായം = ന്യായം ഉള്ളം = മനസ്സ് മെയ്യ് = ശരീരം ചന്തം = ഭംഗി പൂതി =ആഗ്രഹം സാഹസം = ധീരപ്രവൃത്തി മതിർക്കുക=മധുരിക്കുക കണ്ടെത്താം എഴുതാം * മഞ്ഞയുടുപ്പിൽ കരിയുമായി - മഞ്ഞക്കിളി * മെയ്യാകെ വെള്ളയായ് - പ്രാവ് * കൂരിരുട്ടിൻ്റെ കിടാത്തി - കാക്ക * മാരിവിൽ ചേലൊത്ത പക്ഷി -മയിൽ * പച്ച സുന്ദരി -തത്ത * ഓട്ടക്കാരൻ പക്ഷി - ഒട്ടകപക്ഷി * തയ്യൽക്കാരൻ പക്ഷി - തുന്നാരൻ വരികൾ കണ്ടെത്താം * മഞ്ഞക്കിളിയെ കണ്ടാൽ മധുരം തിന്നാം "മഞ്ഞക്കിളിയാണു കാണുകിൽ നമ്മൾക്കു മധുരം കിടച്ചിടുമെന്നു ഞായം" * കൃഷി കുറഞ്ഞു വരുന്ന അവസ്ഥ " നെല്ലരിയില്ലല്ലോ നമ്മൾക്കുറേഷനാ- യുള്ളരിയിത്തിരി കൊണ്ടു നൽകാം" * പക്ഷിയെ പിടിച്ചു വളർത്താമെന്ന കുട്ടിയുടെ ആഗ്രഹം "എട്ടാ നമുക്കു പിടിച്ചു വളർത്തിടാം കൂട്ടായി നമ്മൾ ക്കിണങ്ങുകില്ലേ?" പക്ഷിച്ചൊല്ലുകൾ * കാക്കക്ക് എന്തിന് കറുത്ത കുപ്പായം * കാക്കയ്ക്കായുസ് കോഴിക്കഴക് * ചക്കിനു വച്ചതു കൊക്കിനു കൊണ്ടു. * കുഞ്ഞി പക്ഷിക്ക് കുഞ്ഞിക്കൂട് * ഇണങ്ങിയ പക്ഷി കൂട്ടിൽ, ഇണങ്ങാത്ത പക്ഷി കാട്ടിൽ * കാക്കയും വന്നു പനമ്പഴവും വീണു. * കുയിൽ പാടുന്നത്...
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Std 3 English [SCERT Lesson 2 Three Butterflies]

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Lesson 2 New words butterflies garden sacked nectar difficult seeking curiously shelter heavily favourite fellows pebbles petals wide begged dismay chased write the 'ing' form and past tense write plurals Garden __Gardens Butterfly__Butterflies Friend___  Friends Petal___ Petals Sunflower ___Sunflowers  Rose___ Roses Lily  ___Lilies Write opposite Suddenly___Gradually Stop ___ start Cold ___ Hot Wet ___dry Difficult___ easy Find ___ lose Over___under Like___ dislike Wide ___ narrow Hide___Reveal Favourite ___ unfavourite Friend___ enemy Cloudly___cloudless Let's make many words from the word "Butterfly" fly, butter, but, tub,free, yet etc... Read and rearrange the sentences in a proper way *Together, they sucked necter from the flowers. * One was white one red and one yellow  * Three butterflus lived in a garden *They played together *They were friends.  *They danced together • Three butterflus lived in  garden • They were friends. • One was white one red a...
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Std 4 EVS [SCERT The Leaf too has to say]

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 Lesson 2 The Leaf too has to say 1. What are the parts of a plant? 2) How many types of root system? what are they? *Two types taproot system, fibrousroot System 3. what is taproot system?  * The taproot system consists of the larger tap root and the smaller branches growing from it 4. what is fibrous root system?   *The fibrous root system includes a cluster of similar roots growing from the base of the stem 5. what are the difference between taproot System and fibrous root system? 6 what is reticulate venation?  *The net work like venation in leaves is called reliculale venation 7. what is Parallel venation?  *The Parallel arrangement of veins in leaves is called Parallel venation 8. What are the difference between reticulatevenation and parallel venation? Activity 1 Remove the green colour in leaves and make an album Activity 2 collect and trace different types of leaves 9. Complete the table 10.write the relation between the root system and venation? *...
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std 3 Maths SCERT [Lesson 7 In Rows and Columns ]

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  Lesson 7 [In Rows and Columns ] Recall *Repeated addition of the same number is multiplication *The result of multiplication is called Product Multiplicand X Multiplier = Product * Multiplication tables can be constructed by repeated addition Table of   7 1x7=7 2x7=14 3x7=21 4x7 = 28 5x7 = 35 6x7=42 7x7=49 8x7=56 9x7=63 10x7=70 Table of 8 1x8=8 2x8=16 3x8=24 4x8=32 5x8=40 6x8=48 7x8=56 8x8=64 9x8=72 10x8=80 Table of 9 1x9=9 2x9=18 3x9=27 4x9=36 5x9=45 6x9=54 7x9=63 8x9=72 9x9=81 10x9=90 Table of 10 1x10=10 2x10=20 3x10 =30 4x10=40 5x10=50 6x10=60 7x10 =70 8x10 =80 9x10=90 10x10 =100 *when two numbers are multiplied in any order their product remains the same. Match the following *when any number is multiplied by 1, the same number is obtained as the product. Ex: Number x 1 = Product 7x1=7 100x1=100 567x1=567 *when any number is multiplied by 10, in the product, one O (Zero) is written to the right of the number. Ex: 8x10=80        25x10=250   Do...
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Std 3 SCERT Maths [Lesson9Equal shares]

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  Lesson 9 Equal shares *Division is repeated subtraction of the same number *Division is also equal grouping and equal sharing. *The number which gets divided in called divident *The number which divides the divident is called divisor *The result of division is called quotient *The number which is left undivided after division is called Remainder *The symbol for division is  ➗ Example 7÷2[7divided by 2] 7     ÷      2      =3,   1➝ Reminder ⇩             ⇩           ↓ Dividend        Divisor               Quotient * For every division fact, there is a related multiplication fact ex-10÷5=2[2X5=10]                         ↓                               Related multip...
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EVS , Std 4 Lesson 3 [The Road To Independence]

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    LESSON 3 THE ROAD TO INDEPENDENCE         1. Who was the first    foreiner to reach  India in 1498?   *Vasco da Gama   2. In which year  India got    Independence? *1947 August 15   3. When did  Gandhiji  came back  to  India from South  Africa? *On 9th January 1915 [at Apollo Banther Harbour, Bombay ] 4. which day is  observed as  pravasiday? [Non  Resident Indian day] *January 9th is  observed as  Pravasiday in  commemoration of  arrival of Gandhiji  from South  Africa 5 . What was the  condition of India  during British rule, when Gandhiji  came back from  South Africa? * The British  threatened and  killed the Indians *The British forced  the Indians to  obey all their laws *Various taxes were levied 5. Asram founded by  Gandhiji  in  Gujarat? Sabarmathi Asram 6.where is  Sabar...
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Std 4 EVS [Lesson 4 wonder world of birds]

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Lesson 4 wonder world of birds 1)Mention the names of birds seen in your locality? Ans) Crow, Parrot, duck, hen, Penguin  2)What are the common characteristics of the birds? Ans) - have feathers            -have beak            -lay eggs            -has wings  3)Observe the surroundings  and make a short note  about the birds in our  s urroundings  Ans)-Crow  Crow is the most familiar bird of Indian towns and villages.Has no particular food preferences will eat almost anything.          There are two types of crows in our surroundings. House crow[pena kakka] and jungle crow[beli kakka]. Grey neck and smaller size distinguish House crow from the all black jungle crow. Belikakka's whole body is shining black in color.Size of the beak and body is larger than House crow. 4)Where do birds build nest? Ans) In holes on the tree trunks,on the bran...
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Std 3 English SCERT Lesson 5 The Little Clay Hut

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  Lesson 5 The Little Clay Hut 1st day[ 29/3/2021] Activity 1 Draw the clay pot and write about it. what is the special about clay pot? *It is cheep. It is better for cooking. It is easily breakable. It is made of clay. Activity 2[Read the passages. page 104,105] Activity 3 [New words] village bullock cart swinging swaying humming peeped grass bed rolled green meadows empty Activity 4[Project work. Page 123] Collect the different types of house.Paste them in your notebook. 2nd day Read the following passages loudly Do this activity in your textbook 1.Kitchen *gasstove, fridge, knife, shelf, vessels, washbasin spoon 2.Dining room   chairs, washbasin, table, towel, soap 3.Toilet Soap, water closet, tap, bucket, mug, shower 4.Reading room bookshelf, newspaper, Chairs, books 5. Hall sofa, television, chair, computer,  tea-poy 6.Bedroom  cot, pillow, shelf, fan,mat, table 3rd day 4th day Bear: Sorry for my mistake.please forgive me. Inmates: That's all right Bear: May I s...
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std 4 SCERT EVS [Lesson8 Reading and Drawing Maps]

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  Lesson 8 Reading and Drawing Maps 1st day 1.What is a map? *The visual representation of an area or a region is called map. 2.what are the main features of a map? * - a heading which tells us what a map is about - a direction pointer which indicates the 'North' direction. - an index which tells us what each symbols stands for 3. This Symbol is used to show direction.Write the directions? *          top-North          bottom-South         right-East         left-west 4.what do the following symbols in a map represent? *   5.Let's read the map [Page:  86] *     * - It is Kerala's map -14 districts in Kerala - there are 5Airports in Kerala.[Malappuram, Ernakulam , Kannur, Thiruvananthapuram] -2Airports in Ernakulam -2 harbour in Kerala [Ernakulam, Kozhikode] - No railway in Idukki and Wayanad - Alappuzha is a smallest district in Kerala. - Palakkad is the largest district in...
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std 3SCERT Maths [lesson 10 Measuring weights]

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  Lesson 10 Measuring Weights *Weight of objects are expressed using standard units. *Devices or Instruments[weighing machines] used to measure the weight of objects are Beam balance, Spring balance, Digital balance. *Weight of different values are used to weigh objects when balancing scales are  used * measuring units of measuring weight is gram or kilo gram. *gram is smaller unit for measuring weight. *Balance is the instrument used to measuring weight. 1000 Grams=1 kilo gram or 1000g=1kg *Spring balance, common balance, Weighing machine, Platform balance are instrument to find the weight things. Weighing machine used to find our weight. Quarter kilo gram=250g Half kilo gram=500g Three forths of kilo gram =750g activity 1[How many times each measuring weight is to be used to 1 kg? Activity 2[converting kilo gram into grams] *1kg = 1000g *4kg=4000g *14kg=14000g *7 1/2kg 7kg = 7000g+ 1/2kg=500 .--------------- 7500g
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Std 4 SCERT EVS [Lesson11 Care for friends]

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  Lesson 11 Care For Friends 1.what is first aid? * First aid is the care give to a person who meet with an accident before he or she receives medical assistance. 2.what are the benifits  of first aid *To reduce the intensity on injury *To get relief toa very great extent *Victim's condition does not became  worse. 3. What are the duties of a first aid provider? *Console the victim *  provide medical assistance at the earliest *to give the possible first aid. *to inform the concern authorities 4.What is ment by first aid provider? *One who gives first aid is called first aid provider. 5.why should the first aid provider keep hands clean? *If the first aid provider does not wash his hands, there was a chance to entering germs in his body through the wounds. 6.what does we do when the wound is minnor ? *hold the wounded part high *hold the wounded part tightly with clean cloth to prevent bleeding. *Don't remove the blood clot from the injured part 7. What are the first...
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std 3 Maths SCERT [Lesson 8 Measure and Tell]

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  Lesson 8 Measure and Tell Length *Length of objects or distances are measured using different units of length. *Non-standard units of length are Span, Foot and Cubit [length of body parts]  Non-standard units of length differ from person to person or from object to object. *Standard units of length are Centimetre, metre and kilometre.Standard units of length do not change. *We measure the length of pencil, book etc are measure in  centimetre. Length of table, bench etc are measure in metre. Very long distance such as distance between two towns are measure in Kilometre. Metre Scale An instrument name for measuring length metre Scale. Metre Scale is long wooden metalic rod of fixed length. It is devided into 100 equal parts. Each part is called Centimetre. Ruler/Scale tape Relation between metre ,Centimetre and kilometre. * we use  cm for centimetre m for metre km  for kilometre 100cm = 1 metre 50cm = 1/2 metre 1000 m = 1 kilometre Activity 1 *Draw a line 9cm *D...
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