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  • Shadman Chowdhury
    Shadman Chowdhury commented on Fatima Ahmed's classified listing.
    The Journey of the Ladybug - $7 Science Quiz
    • November 14, 2021
    • Digbijoy Azad likes this.
    • Shadman Chowdhury
      Tanveer Tausif Ratul To live in a closed eco-system,an animal/plant must need air & foods.While putting the ladybug in the container,some air entered into the container and was trapped inside.
      That air obviously contained some oxygen and CO2.Plants
      need CO2 to live.They...  more
      • November 14, 2021
    • Shadman Chowdhury
      Zarin sadaf snigdha Before we answer this question we need to get enlightened on a biological term, symbiosis. Symbiosis means interaction between two dissimilar organism where both benefit from being with each other. When we are putting the ladybug and the plants inside...  more
      • November 14, 2021
    • Shadman Chowdhury
      sadia islam safa In that container,an small ecosystem was created. Plants produce their own oxygen during photosynthesis and by using that, bug is still alive. Bugs breath through openings in the thorax and abdomen called spiracles. For plants,those gravels will hold...  more
      • November 14, 2021
    • Shadman Chowdhury
      Shadman Chowdhury The ladybug and plants inside the closed container can still survive because of photosynthesis. Plants have a process called photosynthesis which requires CO2 and sunlight to produce carbohydrates, water and oxygen for the plants' growth. Those plants...  more
      • November 14, 2021
    • Shadman Chowdhury
      Digbijoy Azad The ladybug is living in an ecosphere. However, the ladybug is not alone. Bacteria, protozoa, algae, smaller worms, and plants are also crucial members of the jar.
      Few things ladybug needs to live-
      -Oxygen.
      -Food...  more
      • November 14, 2021
  • Fatima Ahmed
    Fatima Ahmed: Shadman's writing on our latest English project! This was a fantastic read and a very creative idea. You thought outside the box! Good job. Here is his full article and a screenshot: ...  more
    • October 27, 2021
  • Fatima Ahmed
    Fatima Ahmed: Shadman's story in our creative English writing project. This is such a different story and there is something so eerie about it. Very good creative writing and interesting till the end! His full story can be found here and here is a quick screenshot...  more
    • October 9, 2021
  • Fatima Ahmed
    Fatima Ahmed: This is Shadman's answer to our latest physics quiz on ice cubes and temperature. Very nicely explained with good logic and reasoning. Well done Shadman! Here is the quiz link and the screenshot is Shadman's answer: ...  more
    • September 27, 2021
    • - edited
  • Fatima Ahmed
    Fatima Ahmed: Shadman's answer for the English writing project on Genghis Khan. Lots of interesting information and elaboration. Good work! Here is the full project and screenshot: ...  more
    • September 10, 2021
  • Fatima Ahmed
    Fatima Ahmed: Thanks to Shadman for participating in the Physics project on pressure. Yet another twist in the answer. Here is his version in this link: https://docs.google.com/document/d/1yfFtDAiReWjKrQ_FDu0_g-SzfFF5SnHfksl6s_5rhSs/edit?usp=sharing
    • September 3, 2021
  • Shadman Chowdhury
    Shadman Chowdhury commented on Fatima Ahmed's classified listing.
    Games R' Us Giraffes - $7 Mathematics Quiz
    • July 31, 2021
    • Shadman Chowdhury
      Nirjona Akter Why this formula will work?

      This method will work when all the sides are of the same length. Then, we can find the volume of a cube just knowing the measurement of only one side. If a cube has side length "x" then Volume = x × x × x a which results in...  more
      • July 31, 2021
    • Shadman Chowdhury
      Shaikh Nafisa Binte Fahad ''How will it work?''
      In question, it represents the subject of ‘similarity statistics’. This means that the ratio of height, length, and width will be the same.
      In the equation, we are seeing that the dimension of both the values are different which...  more
    • Shadman Chowdhury
      Noorjahan Binte Farhana There is given Small and tall giraffe height. And the tall giraffe volume is 5400 meter queb. volume= length × width × height.
      consume the length X and width Y for tall and small giraffe
      so, for tall giraffe...  more
      • August 1, 2021
    • Shadman Chowdhury
      Jesmin Akhter given,
      Bigger giraff height = 6m
      And the volume of bigger giraff = 5400m^3
      we know a formula...  more
      • August 1, 2021
    • Shadman Chowdhury
      Nur E ferdus Monika matin At first, it is mentioned that both giraffes are similar. That means the ratio of height, length,
      width, and the dimension of each part will be the same for the two Giraffe. The volume of a
      three dimensional figure is- volume= length X width X height so,...  more
      • August 1, 2021
  • Shadman Chowdhury
    Shadman Chowdhury commented on Fatima Ahmed's classified listing.
    The weird music of Sarah and Ali - $5 Physics quiz
    • July 13, 2021
    • Shadman Chowdhury
      Shadman Chowdhury When they were playing guitar, a loud thumping noise was produced due to the vibration of their playing, it caused some sort of interference. This would explain why when they are playing at the same time, there was an odd but clear sound that they were...  more
      • July 13, 2021
    • Shadman Chowdhury
      Zarin sadaf snigdha To answer this question we need to look at the principle of superposition of waves which states when 2 or more waves meet at a point the displacement or amplitude is equal to the vector summation of the amplitude of the individual waves. Here when they...  more
      • July 13, 2021
    • Shadman Chowdhury
      Tanveer Tausif Ratul The above phenomena is related to the terms-Interference and Superposition.When Sarah & Ali attempted to play
      the acoustic guitar synchronously,two sound waves were generated from two guiters at the exact same time.I mean each one produced the same...  more
      • July 14, 2021
    • Shadman Chowdhury
      Tanveer Tausif Ratul that,when two waves are in opposite phase (their amplitude direction is opposite) & the superimpose on
      each other,the resulting amplitude is zero which is known as-Destructive Interference.It means the two waves cancel each other.Therefore,no sound will...  more
      • July 14, 2021
    • Shadman Chowdhury
      Hasnain Tariq actually this happens due to resonance frequency . this is the frequency where superposition of waves can generate. same happen in the case of Sarah and Ali frequency of both musical instrument match suddenly this create loud thumping noise.
      • July 14, 2021
  • Shadman Chowdhury
    Shadman Chowdhury commented on Fatima Ahmed's classified listing.
    Andy Morales and The Rain - $5 Physics Quiz
    • July 13, 2021
    • Hasnain Tariq likes this.
    • Shadman Chowdhury
      Syeda Anmol Andy used the ideology of moment. Moment of force is the idea to make a body to rotate on a pivot. Moment has a simple rule that is the closer you are to the pivot or the point the more energy you would require to rotate the body. This rule is obeyed by...  more
    • Shadman Chowdhury
      Nishat Tamanna Mr. Andy chimed in with the idea of momentum. Momentum is the product of force and the perpendicular distance between the pivot and line of force. He considered providing a force greater than the weight of the tree, but this is only feasible if the force...  more
    • Shadman Chowdhury
      Farhan Shahid Andy's idea concerns the effect of moments. The idea about moments is that the further a force acts away from the pivot(the turning point of an object), the more effective it will be in turning the object. For example, the knob of a door is situated the...  more
    • Shadman Chowdhury
      Abdullah Masud Mr Andy was able to use the principles of moment in the above scenario. As mentioned in the scenario, the roots of the tree were fixed with the ground so it was a fixed point and a fixed point is called a pivot. This pivot allowed the tree to be removed...  more
    • Shadman Chowdhury
      Shaikh Nafisa Binte Fahad Andy told others to help lift the tree from the other side, as the force acting away from the root of the tree made it easier to lift the tree than near the root.
      The car was acting as a pivot here because the weight of the whole tree was on the car. The...  more
      • July 16, 2021
  • Shadman Chowdhury
    Shadman Chowdhury commented on Fatima Ahmed's classified listing.
    Anwar's Different Perspective - $5 English Writing project
    • July 13, 2021
    • Shadman Chowdhury
      Sumaiya Amir 'LOSER', for me this term has a very deep meaning. This four letter word isn’t a comfortable thing in someone's life. You have to go through a series of depressions, complications and sleepless nights if this term ever get connected with you. Well,...  more
      • July 14, 2021
    • Shadman Chowdhury
      Sumaiya Amir share my opinions with everyone. After 3months of continuous practice, I was selected as an anchor of our varsity convocation program. A girl who could not even talk became an anchor? Yes that is right. I had my will to change the awkwardness inside me...  more
      • July 14, 2021
    • Shadman Chowdhury
      Nanjiba Naowar Personally I was an introvert and a bookworm. I love writing. But shyness never lets me publish it. People used to say I am unable to make others understand my thoughts. I was Bullied for it. Last year I felt depressed but didn't find anyone to share my...  more
      • July 14, 2021
    • Shadman Chowdhury
      Raju Loodh It was my college days story. That time I was not so good at English even I did not know how to write in proper way. We had an English Named ala Uddin. Every day while he come to class he used to tell. Just write something in English. It does not matter...  more
      • July 15, 2021
    • Shadman Chowdhury
      Shaikh Nafisa Binte Fahad The famous world-class boys of the BTS band also took part in their fight and it was heartbreaking to hear their story. The boys were about to give up and almost lost hope. But they stood together and today their fight has led to a worldwide reputation...  more
      • July 16, 2021
  • Shadman Chowdhury
    Shadman Chowdhury commented on Fatima Ahmed's classified listing.
    Jamil's Economics Enthusiasm
    • July 11, 2021
    • Shadman Chowdhury
      Shadman Chowdhury In a recent report, Bangladesh is said to be 10th in the world as far as the female labor force participation (FLFP) index is concerned. According to this index, FLFP of Bangladesh has increased by a lot because in 2008, it was merely 16 percent and now...  more
      • July 11, 2021
    • Shadman Chowdhury
      Nishat Tamanna Women are almost half of the total population which is more than 8 crores. Without the participation of this huge population in the job sector, it wouldn't be possible for Bangladesh to be enlisted as a developing country. The largest contribution of...  more
      • July 11, 2021
    • Shadman Chowdhury
      Hymanti Sarkar Now-a-days women are working in every sector like public sector and private sector etc. In village side, they work in field, they rear cow, goat, poultry etc. By this way, they are making their economic condition better as well as our country. Women...  more
      • July 11, 2021
    • Shadman Chowdhury
      Zarin sadaf snigdha Today lets talk about how women participation in the job sector has led to massive impacts in the job sector of Bangladesh. According to a research by The Asia Foundation its seen that from 1999/2000 to 2016/2017 the number of female workforce has...  more
      • July 15, 2021
    • Shadman Chowdhury
      Zarin sadaf snigdha The GDP has seen extraordinary rises in the last few years & this is due to more of the population being involved in work & also women entrepreneurs have opened up the doors for others to earn. Women have also made home workstations such as product...  more
      • July 15, 2021
  • Shadman Chowdhury
    Shadman Chowdhury commented on Fatima Ahmed's classified listing.
    Asrayan:  The Search for a Roof
    • July 4, 2021
    • Shadman Chowdhury
      Iftakhar Utsho Asrayan Project is a great initiative by the Government to decrease extreme poverty. This project gives shelter to homeless people, those people were barely surviving before they got a house from this project. Now they can stay focus on their daily...  more
      • July 7, 2021
    • Shadman Chowdhury
      Kanta Akter Homelessness is a broad social problem in Bangladesh. Homeless women, teenagers, and children feel helpless or unprotected due to multiple forms of victimization, including forced, coerced, or manipulated sexual activity. So, ''The Asrayan project'' is a...  more
      • July 7, 2021
    • Shadman Chowdhury
      Kanta Akter 3.Removing barriers accelerated the way women getting jobs. Moreover, the women who aren't permitted to work outside can work within the home by running businesses like tailoring, fishing, crafting, stitching, nurturing ducks and chickens, making cakes,...  more
      • July 7, 2021
    • Shadman Chowdhury
      Tanveer Tausif Ratul Asrayan Project has turned into an evident means of
      alleviating poverty of the people who once passed their days in extreme miseries after becoming victims of disasters like cyclone, river erosion and landslides.Firstly,in the joint name of the husband...  more
      • July 7, 2021
    • Shadman Chowdhury
      Tanveer Tausif Ratul activities.Besides,micro loans are distributed among them at the end of the training.So they can involve themselves into different activities/start small business with that money.Women are also involved in different activities with
      men.Each house has a...  more
      • July 7, 2021
  • Shadman Chowdhury
    Shadman Chowdhury commented on Fatima Ahmed's classified listing.
    Jacob's Alaskan Trip
    • June 9, 2021
    • Shadman Chowdhury
      Tanveer Tausif Ratul The 1st phenomena is the result of "friction" which opposes the vehicle's tyre rubber from sliding on slippery roads.The tread on the tires gripped the road surface while jacob was driving and from common sense,it can be realized that jacob's...  more
      • June 13, 2021
    • Shadman Chowdhury
      Tanveer Tausif Ratul objects.When Jacob was rubbing his hand,a frictional force was produced which was emitted as heat.That energy didn't not come from the atmosphere, but rather the energy he was spending to overcome the frictional forces.
    • Shadman Chowdhury
      Abrar Ibne Amin Jim All the situations described above hints at Newton’s 3rd Law & specifically Frictional force.

      1) Situation-1, Jacob’s car could travel the road despite the road was slippery. This happened as the tires had enough grooves to increase friction....  more
    • Shadman Chowdhury
      Abdullah Masud In his wonderful journey, he has met some of the interesting and fundamental laws of physics. First of all, it can be noticed that surface of the ice is slippery. So in order to prevent skidding, the tire of the car had a grooved pattern moulded into the...  more
    • Shadman Chowdhury
      Shafaat Shams 1. The snowy road
      is so slippery and doesn’t have enough grips. Jacob’s Car was useful there; it
      gives power to all 4 wheels at the same time. With the help of heavy car
      weight, those 4 tires made 4 friction points. The more friction it made,...  more
      • June 14, 2021
  • Shadman Chowdhury
    Shadman Chowdhury commented on Fatima Ahmed's classified listing.
    Jasmine: The Pride of Sundarbans
    • May 26, 2021
    • Zeba Afia and Md. Hazrat Ali like this.
    • Shadman Chowdhury
      Rawnak Jahan Khan As we know Sundarbans is the largest mangrove with rich ecosystems associated divers flora and fauna, its plays an important role to protect the southeastern part of Bangladesh. This part of Bangladesh is more exposer towards climate extremes and...  more
      • May 30, 2021
    • Shadman Chowdhury
      Rawnak Jahan Khan As we know Sundarbans is the largest mangrove with rich ecosystems associated divers flora and fauna, its plays an important role to protect the southeastern part of Bangladesh. This part of Bangladesh is more exposer towards climate extremes and...  more
      • May 30, 2021
    • Shadman Chowdhury
      Farjana Zaman Appointing community leaders as forest guards or watchman will keep the community people away from exploiting resources. Second step should be creating alternative employment facilities for other community families.
      • May 30, 2021
    • Shadman Chowdhury
      Md. Hazrat Ali The Sundarbans is a cluster of the low land island in the Bay of Bengal. It was the world’s largest mangrove with an area of 10000 Km2 where 60% in Bangladesh and the rest
      in India. The local people alongside Sundarbans are completely dependent on this...  more
      • May 30, 2021
    • Shadman Chowdhury
      Hymanti Sarkar Firstly, if we notice the occupations of local people, we can see most frequently practiced professions are Mouwal, Baowal, fisherman, collecting golpata, fish fry, crab etc, poaching. So, they are highly dependent on forest. And the main reasons of this...  more
      • May 30, 2021
  • Shadman Chowdhury
    Shadman Chowdhury commented on Fatima Ahmed's classified listing.
    Virginia Woolf:  A Room of One's Own
    • May 8, 2021
    • Fahmida Begum likes this.
    • Shadman Chowdhury
      Samia Ahmed The first thing I can do is focus on making aware of education, most importantly female education. I will inform the villagers first.I will give them the idea of mental health. How education is related to mental and physical strength. In this era, mental...  more
      • May 8, 2021
    • Shadman Chowdhury
      Samia Ahmed The first thing I can do is focus on making aware of education, most importantly female education. I will inform the villagers first.I will give them the idea of mental health. How education is related to mental and physical strength. In this era, mental...  more
      • May 8, 2021
    • Shadman Chowdhury
      Shafaat Shams Staying under a broken roof is dangerous, but trying to fix a broken roof from the bottom of it is far more dangerous. The girl is under a broken roof, if we approach her family about her talent, her opportunities could be closed forever. I’ll make...  more
      • May 8, 2021
    • Shadman Chowdhury
      Nur-E-Tamima Tuba If i have to convince her family, would love to listen them first and will show some points:
      1.Increases Economic Growth.
      2.Leads to Better Wages and Jobs for Women.
      3.Saves the Lives of Children and...  more
      • May 8, 2021
    • Shadman Chowdhury
      Towhidur R. Females have been oppressed by society for centuries and it has become a social norm. To rescue young girls and girls with promising futures out of this curse the society needs to be educated and need to know the value of an educated woman. Firstly, the...  more
      • May 8, 2021
  • Shadman Chowdhury
    Shadman Chowdhury has added a new profile photo.
    • May 8, 2021
  • Shadman Chowdhury
    Shadman Chowdhury has added a new profile photo.
    • May 8, 2021
  • Shadman Chowdhury
    Shadman Chowdhury has added a new profile photo.
    • May 8, 2021
  • Shadman Chowdhury
    Shadman Chowdhury has added a new profile photo.
    • May 8, 2021
  • Fatima Ahmed
    Fatima Ahmed: Shadman's quiz answer. Click on picture to see details.
    • April 13, 2021
    • - edited
  • Shadman Chowdhury
    Shadman Chowdhury commented on Fatima Ahmed's classified listing.
    Dhaka: Decentralization Discussion
    • April 9, 2021
    • Hridi Biswas and Towhidur R. like this.
    • Shadman Chowdhury
      Towhidur R. I would prefer to utilize the money by starting up a stone mining business back in my hometown which is Banglabanda in Rangpur district. Different types of stones get washed up by the stream of Mohanonda from India which enters Bangladesh from the west...  more
      • April 10, 2021
    • Shadman Chowdhury
      Tahira Zarin I would love to choose Keshabpur, Jessore. The reason I choose this area because it is well known for using solar power and according to weather this area is good for harvesting agricultural foods. I would like to spend 1/3 of my money to invest on solar...  more
      • April 10, 2021
    • Shadman Chowdhury
      Abhay Sunny I would like to choose Kuakata district of potuakhali under divison of Barishal. Kuakata is called the daughter of the sea. I really love sea, I visited there in 2016. There i saw the unlimited beauty of nature. But maximum people in there are...  more
      • April 10, 2021
    • Shadman Chowdhury
      Noorjahan Binte Farhana I will choose the bandorbon district which is under Chittagong division. Bandorbon is a place where you will find the heaven of nature. I always cherished a plan one day i will live in Bandorbon. There i will established a research centre where many...  more
      • April 10, 2021
    • Shadman Chowdhury
      Fatima Ahmed Thank you for submitting all the quiz answers everyone. We are in the process of checking them and will announce the winner soon.
  • Noshin Tasnia
    Noshin Tasnia is now friends with Shadman Chowdhury .
    • February 22, 2021
  • Fatima Ahmed
    Fatima Ahmed: Hi Shadman, thanks for writing your first wiki in our site on Educational Systems. Some aspects of the environment you had to face was sad and thanks for creatively writing on what changes need to be made. You have done a nice job in your first article...  more
    Let creative educaion flow in the air. - Coolinventor Wiki
    • February 19, 2021
  • Shadman Chowdhury
    Shadman Chowdhury is now friends with Fatima Ahmed.
    • February 2, 2021
  • Fatima Ahmed
    Fatima Ahmed: Hi Shadman, can you please accept my friend request so we can talk through e-mail in this platform? You were selected for the latest education wiki (Rahim's story wiki). Your next step is to accept the project in the project page, open a wiki account at...  more
    • February 2, 2021
  • Shadman Chowdhury
    Shadman Chowdhury commented on Fatima Ahmed's blog entry.
    Rahim's Education
    • January 30, 2021
    • Shadman Chowdhury
      Nayeema Bushra The very fact that some realized the flaw, might be an indicator of overcoming an important stage of it.
      • January 30, 2021
    • Shadman Chowdhury
      Sajidul Islam I've also faced the same problem as Rahim. I preferred that a school should be such that the mental and physical development of the students is good. So that they can develop themselves as real human beings.
      • January 30, 2021
    • Shadman Chowdhury
      Shahriar Dipto Educational institutions are the second most important ognanization. With flaws in this system, I am still seeing the impact on later lives. I want to dive into the tactics how we could have start fresh.
      • January 30, 2021
    • Shadman Chowdhury
      Abhay Sunny During this lockdown, i have noticed Online education is not bad at all. we were wasting a lot of time while going to schools. That's why i am interested to write on this project to tell my uncovered idea
      • January 30, 2021
    • Shadman Chowdhury
      Afroza Sultana This story is a mirror of most school education systems. If I have the opportunity, I can share my views with you.
      • January 31, 2021
  • Shadman Chowdhury
    Shadman Chowdhury follow Fatima Ahmed.
    • January 6, 2021
  • Shadman Chowdhury
    Shadman Chowdhury joined the group Coolinventor Contributors
    • January 6, 2021
  • Shadman Chowdhury
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