Multimedia Questions
خلية الدم الحمراء
لا تحتوي الخلية الحمراء الناضجة على ريبوسومات (الضرورية لانتاج البروتينات) وبالتالي فهي غير قادرة على تجديد بروتيناتها ولا تحتوي على ميتوكوندريا (الضرورية للتنفس الخلوي الهوائي) وبالتالي تقوم بتنفس لا هوائي فقط . من ناحية اخرة تمتاو خلية الدم الحمراء بإحتوائها على مادة الهيموجلوبين التي تشكل ثلث حجمها. ما الفائدة من عدم وجود ميتوكودريا في خلية الدم الحمراء؟ ... Continue Reading
  • 2018-01-19
  • 0 Comments
  • 304 Views
  • 0 Map points
  • Mekif Bana
The Carbon Cycle
Since the industrial revolution the amount of carbon dioxide (CO2) has steadily increased in the atmosphere, this is due to several different factors, most notably the increase in fossil fuel burning source and increased deforestation.Watch the follo... Continue Reading
  • 2015-11-30
  • 3 Comments
  • 707 Views
  • 4 Map points
  • Technion Israel Institute of Technology
جهاز الدياليزا
احدى الوسائل التكنولوجيه التي اثبتت نجاعتها في المحافظه على حياه وصحه الأشخاص اللذين يعانون من الفشل الكلوي (أي خلل في الكليتين) هي الكليه الاصطناعيه والتي يعتمد عملها على تقنيه الدم بواسطة الانتشار اذ ينتقل دم المريض عبر انابيب ذات اغشيه شبه نفاذه بحيث تكون هذه الانابيب مغموسه في سائل يدعى"سائل الدياليزا" كيف ينتقل دم الشخص اللذي يعاني من الفشل الكلوي اثناء العمل الاعتيادي للكليه الا... Continue Reading
  • 2018-02-02
  • 0 Comments
  • 271 Views
  • 0 Map points
  • Albayan
energy
 What type of energy does the skater possess as he is moving up the track as shown in the picture above?Run the simulation below for help: Click to Run... Continue Reading
  • 2015-11-30
  • 4 Comments
  • 737 Views
  • 3 Map points
  • Technion Israel Institute of Technology
The speed of falling objects
Four hundred years ago, the Italian scientist Galileo Galilei claimed that in the absence of any atmosphere, all bodies on earth (e.g. a hammer and a feather) would fall to the ground in the same speed, since there would be no air resistanc... Continue Reading
  • 2015-11-26
  • 2 Comments
  • 1135 Views
  • 3 Map points
  • Technion Israel Institute of Technology
Forces and Angles
link for BLOSSOMS video : https://blossoms.mit.edu/videos/lessons/forces_and_angles A vector is a quantity that has both magnitude and direction. Displacement, velocity, acceleration, and force are vectors. In situations in which vect... Continue Reading
  • 2017-05-25
  • 1 Comments
  • 558 Views
  • 1 Map points
  • Technion Israel Institute of Technology
arithmetic sequence
Arithmetic Sequence In an Arithmetic Sequence the difference between one term and the next is a constant. In other words, we just add the same value each time ... infinitely. In General we could write an arithmetic sequence like ... Continue Reading
  • 2017-05-29
  • 2 Comments
  • 521 Views
  • 0 Map points
  • Technion Israel Institute of Technology
complex numbers multiplication
 A сomplex number is represented by z=a+bi , a and b are real numbers and i is the imaginary unit ,satisfying the equation i2 = −1. For more information about complex numers link to: http://blossoms.mit.edu/videos/lessons/comple... Continue Reading
  • 2017-05-15
  • 1 Comments
  • 542 Views
  • 2 Map points
  • Technion Israel Institute of Technology
משפחה של פונקציות סינוס
באיור הדינמי, ראה קישור  מוצגת משפחת פונקציות   עברו אלו ערכים של פרמטר a הפונקציה מהמשפחה הנ"ל היא פונקציה עולה בקטע   ?   ... Continue Reading
  • 2017-10-19
  • 0 Comments
  • 410 Views
  • 0 Map points
  • ORT Braude College of Engineering
Relationship between specific heat capacity of water and the sea breeze
The amount of heat required to increase the temperature of a substance by 1 degree Celsius is quantified as heat capacity, and this value determines how well a substance retains the heat.Water has a relatively high heat capacity at 4.18 J/g*C, which ... Continue Reading
  • 2016-08-16
  • 0 Comments
  • 1260 Views
  • 1 Map points
  • Beihang University
Combining dish soap and milk
The milk constituents:The soap molecule constitute:What happens when we combine dish soap and milk? ... Continue Reading
  • 2015-11-28
  • 2 Comments
  • 1428 Views
  • 5 Map points
  • Technion Israel Institute of Technology
Conductivity of solutions
Why do some solutions conduct electricity, but other don't? To answer the above question we should learn more about substances. We can divide substances in two different types: Electrolytes and Nonelectrolytes.   To learn more about thi... Continue Reading
  • 2015-12-04
  • 4 Comments
  • 760 Views
  • 2 Map points
  • Technion Israel Institute of Technology
Sea level rise and its impact on Israel’s beach and coastal cliffs.
Some 40 percent of the world's population lives within 62 miles (100 kilometers) of seashore, putting millions of lives and billions of dollars' worth of property and infrastructure at risk.The biggest impact is expected to be on areas situated nex... Continue Reading
  • 2016-05-13
  • 8 Comments
  • 639 Views
  • 9 Map points
  • Technion Israel Institute of Technology
Why does Earth have deserts?
Take a look at a physical map of the world. You can notice that all deserts on our Earth are located at approximately thirty degrees on either side of the equator.     Learn what is the reason for that phenomenon from the video below ... Continue Reading
  • 2015-12-03
  • 3 Comments
  • 3672 Views
  • 6 Map points
  • Technion Israel Institute of Technology
מגדל אייפל
המגדל נמצא במדינה באירופה. אחת האישיות במדינה זה נפוליון. איפה נמצא מגדל אייפל?   ... Continue Reading
  • 2018-01-31
  • 0 Comments
  • 412 Views
  • 2 Map points
  • Technion Israel Institute of Technology
Question in C3 (Advanced)
כתוב תוכנית אשר קולטת מערך דו מימדי דינמי בגודל NXM כאשר N ו- M, חייבים להיות מספרים חיוביים בין 5-10 כולל. התוכנית תקלוט למערך מספרים אי זוגיים בלבד. יש לוודא תקינות. לאחר הקלט התוכנית תדפיס את האינדקס של השורה בעלת המספר הגדול ביותר של מספרים ראשוניים. הערה: מומלץ להיעזר בפונקציה לבדיקת מספרים ראשוניים.    ... Continue Reading
  • 2016-12-25
  • 0 Comments
  • 401 Views
  • 8 Map points
  • Technion Israel Institute of Technology
שפת C
כתוב פונקציה המקבלת פרמטרים שונים:מערך ומספר האיברים שנמצאים בו הפונקציה תחשב את סכום כל האיברים במערך ... Continue Reading
  • 2016-11-27
  • 1 Comments
  • 269 Views
  • 0 Map points
  • ORT Braude College of Practical Engineers
שפת C
כתוב תוכנית שמקבלת 5 מספרים ועושה את ההמוצע שלהם ומדפיסה את המספר הגדול ואת המספר הקטן :) ... Continue Reading
  • 2016-11-20
  • 0 Comments
  • 278 Views
  • 4 Map points
  • ORT Braude College of Practical Engineers
Plastic recycling
Plastic is manufactured by the polymerization process, which connects monomers to create polymers. Common types of polymers in our lives are presented in the table below: Example... Continue Reading
  • 2015-11-30
  • 2 Comments
  • 746 Views
  • 5 Map points
  • Technion Israel Institute of Technology
Sea level rise risk
Sea level is a term describing the altitude of the water at sea(Haifa) picture taken by :dina izGlobal warming due to human activity has countless examples all over the world.Global warming is basically the constant rise of the world average temperat... Continue Reading
  • 2016-05-15
  • 5 Comments
  • 1230 Views
  • 8 Map points
  • dina