Multimedia Questions
مراقبة خسارة الماء مع البول
لقد اتضح أن تغييرات بسيطة جدا في الضغط الاسموزي  لبلازما الدم او في حجمها (حتى لو كان التغيير %2 فقط) تؤثر على افراز ADH الذي يعمل على إعادة التركيز الدم وحجمه الى الوضع الاعتيادي.فكيف يحصل ذلك؟ يحصل على النحو التالي: تحف... Continue Reading
  • 2018-02-02
  • 0 Comments
  • 39 Views
  • 0 Map points
  • Albayan
Say Cheese!!!
Rennin is an enzyme originated from the forth stomach of ruminant animals like cows and goats. Its substrate is the milk protein, Casein. It can also be produced by some microorganisms by genetic engineering techniques. In milk, it denaturates the ca... Continue Reading
  • 2017-05-26
  • 2 Comments
  • 90 Views
  • 1 Map points
  • Technion Israel Institute of Technology
The impact of changes in species diversity on dissolved oxygen in water
An increase in Earth's temperature caused many changes in the sea, such as species extinction and species invasion.An example of species extinction is Kinnert Bleak (fish):The increase in temperature causes a drop in Kinnert level, and reduces the br... Continue Reading
  • 2016-05-07
  • 5 Comments
  • 271 Views
  • 10 Map points
  • Technion Israel Institute of Technology
Heavy as a rock and Light as a feather. Do Different items fall differently?
More then 2300 years ago, Aristotle (a greek philosopher) claimed that due to the fact that a Rock is heavier from a Feather, the rock will reach ground before the feather if they fall from high level point.  The phrases "heavier as a rock" a... Continue Reading
  • 2015-11-28
  • 3 Comments
  • 358 Views
  • 5 Map points
  • Technion Israel Institute of Technology
Photoelectric effect
Photovoltaic is an applied technology for the utility of solar energy, which covers the conversion of light into electricity using metal materials that exhibit the photoelectric effect. The photoelectric effect is a   phenomenon that ... Continue Reading
  • 2016-08-16
  • 0 Comments
  • 169 Views
  • 1 Map points
  • Technion Israel Institute of Technology
The Dead Sea
A family traveled to the Dead Sea.The Dead Sea is the lowest place on the earth. (-429 m under the sea level) .Look at the short video they filmed  in the way down .You can see the sign along the way marking the point when they pass trough the&n... Continue Reading
  • 2015-11-23
  • 5 Comments
  • 328 Views
  • 5 Map points
  • Technion Israel Institute of Technology
Backgammon Game
Consider throwing a coin multiple times. Even huge amount of times. Let's discuss - what would be the number of times you would get a particular side out of the total number of throws? Let's see that in any occasion of throwing a symmetri... Continue Reading
  • 2017-05-23
  • 1 Comments
  • 247 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/compl... Continue Reading
  • 2017-05-15
  • 1 Comments
  • 174 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
  • 107 Views
  • 0 Map points
  • ORT Braude College of Engineering
About the ocean acidification phenomenon
The term 'Climate Change' is a big topic these days. It refers to several related phenomena such as higher temperatures noticed, more droughts, changing rain and snow patterns, melting glaciers, rising sea level and increased ocean acidity. The ocea... Continue Reading
  • 2016-08-15
  • 0 Comments
  • 433 Views
  • 1 Map points
  • Technion Israel Institute of Technology
Acids and bases in our kitchen!
One of the options to determine whether a solution is acidic or basic (alkaline) is to make a pH indicator from red cabbage.How does it work?Red cabbage contains a water-soluble pigment called “anthocyanin”. The pigment changes when it is mixed w... Continue Reading
  • 2015-11-30
  • 5 Comments
  • 480 Views
  • 4 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
  • 403 Views
  • 2 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
  • 974 Views
  • 6 Map points
  • Technion Israel Institute of Technology
ריבוי המדוזות בחופי ארץ ישראל
  כפי שראינו בסרטון, לשינויי הטמפרטורה והזיהום יש השפעה ישירה ועקיפה על אוכלוסיות המדוזות, הדגים וצבי הים. לדוגמא: הורדת הזיהום תגדיל את כמות הצבים, דבר שיגרור ירידה בכמות המדוזות, בשל היות הצבים טורפי מדוזות. שאל... Continue Reading
  • 2016-12-29
  • 8 Comments
  • 331 Views
  • 7 Map points
  • Technion Israel Institute of Technology
Fossils arround the world
What are fossils?  Fossils are traces of plants, animals, fishes, and other organisms from the remote past. Scientists have learned that rocks are stacked in layers containing fossils with the oldest fossils at the deepest layers, and the ... Continue Reading
  • 2016-04-29
  • 0 Comments
  • 359 Views
  • 3 Map points
  • Technion Israel Institute of Technology
שאלות #C
 כתוב תוכנית הקולטת שלושה מספרים שלמים ומדפיסה את המספרים זה מתחת לזה מהגדול לקטן .   ... Continue Reading
  • 2016-11-20
  • 0 Comments
  • 95 Views
  • 3 Map points
  • ORT Braude College of Practical Engineers
Question in C3 (Advanced)
כתוב תוכנית אשר קולטת מערך דו מימדי דינמי בגודל NXM כאשר N ו- M, חייבים להיות מספרים חיוביים בין 10-13 כולל. התוכנית תקלוט רק מספרים בעלי 3 או 4 ספרות למטריצה. יש לוודא תקינות. התוכנית תדפיס את המספר בעל סכום הספרות הגבוה ביות... Continue Reading
  • 2016-12-26
  • 3 Comments
  • 149 Views
  • 6 Map points
  • Technion Israel Institute of Technology
שפת סי
כתוב תוכנית שתריץ מספרים בין 1 ל-70, ותבדוק אילו מספרים מתחלקים ב-7 או מופיע 7 במספר שלהם. "7WINS" במספרים אלה יש להציג על המסך את ההודעה בשאר המספרים לא תופיע הודעה ... Continue Reading
  • 2016-11-27
  • 0 Comments
  • 87 Views
  • 2 Map points
  • ORT Braude College of Practical Engineers
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
  • 553 Views
  • 8 Map points
  • dina
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
  • 386 Views
  • 5 Map points
  • Technion Israel Institute of Technology