Multimedia Questions
Ocean acidification and its impact on coral reefs
Ocean Acidification is: the ongoing decrease in the PH of the Earth's oceans, caused by the uptake of carbon dioxide (CO2) from the  atmosphere. Seawater is naturally slightly basic (meaning pH > 7). Why Coral Reefs are important?Th... Continue Reading
  • 2016-05-14
  • 5 Comments
  • 295 Views
  • 9 Map points
  • Technion Israel Institute of Technology
Chemical reduction of Cyanobacteria bloom
Cyanobacteria are algae that live in body of water, and can manufacture their own food. In certain conditions these algae can proliferate fast. This is called Cyanobacteria bloom, and it can become toxic and damage the ecological balance of the body ... Continue Reading
  • 2016-05-07
  • 4 Comments
  • 371 Views
  • 7 Map points
  • Technion Israel Institute of Technology
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
  • 39 Views
  • 1 Map points
  • Technion Israel Institute of Technology
חוקי ניוטון
שני תלמידים יושבים על כיסאות זהים, ופונים זה אל מול זה. אחד התלמידים מניח את רגליו על ברכי התלמיד השני, דוחף אותו וגורם לתנועה. איזה מבין המשפטים מתאר את מה שמתרחש במהלך הדחיפה כל עוד רגליו של התלמיד הראשון נוגעות בשני.... Continue Reading
  • 2016-05-18
  • 0 Comments
  • 159 Views
  • 0 Map points
  • Technion Israel Institute of Technology
Heat capacity and energy
Different materials heat up in different rates. This phenomena is important and could be seen everywhere in our daily life: When we are heating different foods on the stove, when we go to the beach and feel the hot sand compared to the cool water... Continue Reading
  • 2016-08-19
  • 0 Comments
  • 106 Views
  • 1 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
  • 290 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
  • 75 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
  • 51 Views
  • 2 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
  • 1 Comments
  • 60 Views
  • 0 Map points
  • Technion Israel Institute of Technology
معادلة الغاز المثالي
يصف قانون الغاز البسيط العلاقة المتضمّنة ما بين الضّغط، الحجم، درجة الحرارة وكمّيّة الغاز. قانون بويل ينصّ على: عند وجود كمّيّة ثابتة من الغاز تحت درجة حرارة ثابتة، يكون حجم الغاز بعلاقة معاكسة مع الضّغط.  قانون أ... Continue Reading
  • 2017-01-07
  • 0 Comments
  • 66 Views
  • 0 Map points
  • Technion Israel Institute of Technology
How pencils are made
Lear how graphite pencils are made and view graphite mining in Germany Discuss with your classmates the advantages and disadvantages of graphite mining. Focus on economical possibilities vs. ecological dangers. Tami likes to draw with pencils ... Continue Reading
  • 2015-11-05
  • 0 Comments
  • 173 Views
  • 1 Map points
  • Technion Israel Institute of Technology
How many “Kinnerets” can be filled by an Avogadro number of drops?
How many Kinnerets can be filled by an Avogadro number of drops?   Based on “How Big Is a Mole? Do We Really Comprehend Avogadro’s Number?”, BLOSSOMS. http://blossoms.mit.edu/videos/files/videos/how_big_mole_do_we... Continue Reading
  • 2017-05-27
  • 0 Comments
  • 37 Views
  • 1 Map points
  • Technion Israel Institute of Technology
planting trees
Why do gardeners prefer to plant trees in silty soil instead of in sandy soil?click here for using the animation.   Select the correct answer:... Continue Reading
  • 2015-12-04
  • 4 Comments
  • 273 Views
  • 4 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
  • 631 Views
  • 6 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
  • 202 Views
  • 9 Map points
  • Technion Israel Institute of Technology
לשאדיי
כתוב תוכנית שמדפיסה את כל המספרים מ1 עד 100 ... Continue Reading
  • 2016-11-21
  • 1 Comments
  • 53 Views
  • 1 Map points
  • ORT Braude College of Practical Engineers
"c" language
כתוב תוכנית שקולטת 4 מספרים שלמים ומדפיסה תוצאת הכפל בין שני המספרים הראשונים לפי הסדר , ואת סכום שני המספרים האחרונים לפי הסדר ... Continue Reading
  • 2016-11-16
  • 0 Comments
  • 78 Views
  • 2 Map points
  • ORT Braude College of Practical Engineers
שאלה בשפת סי עם קבצי טקסט
קלוט מספר אחד המסמל כמות איברים מהמשתמש, הקצה דינמית מערך בגודל המספר שקלטת ומלא בו את סדרת פיבונצ'י. את המערך יש להדפיס לתוך קובץ טקסט ... Continue Reading
  • 2016-11-20
  • 0 Comments
  • 49 Views
  • 3 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
  • 287 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
  • 389 Views
  • 8 Map points
  • dina