Multimedia Questions
?מסוק בלתי אפשרי
בסרטון מוצג מסוק שלהביו נראים שאינם מסתובבים, אבל המסוק נשאר באוויר. בצעו את הניסוי הבא ובחרו את ההסבר הנכון ביותר לתפועה.  ... Continue Reading
  • 2017-05-30
  • 0 Comments
  • 80 Views
  • 0 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
  • 398 Views
  • 7 Map points
  • Technion Israel Institute of Technology
Water Pollution Effect on Sea Ecology
Sea pollution is caused by a long list of contributing factors such as:Chemicals – directly via sewage, which flows into the sea, and indirectly via polluted underground water:      (Picture Credit to Queensland ... Continue Reading
  • 2016-05-08
  • 7 Comments
  • 344 Views
  • 9 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
  • 263 Views
  • 5 Map points
  • Technion Israel Institute of Technology
Experiment light
we are surrounded by lightBut we do not ask ourselves what light actually is ? For example: when we look in a mirror we can see ourselves when we look at a spoon in a glass of water it looks broken What is rainbow? When light hits an o... Continue Reading
  • 2015-12-01
  • 2 Comments
  • 450 Views
  • 3 Map points
  • dina
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
  • 300 Views
  • 5 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
  • 62 Views
  • 2 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
  • 102 Views
  • 0 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
  • 67 Views
  • 0 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
  • 319 Views
  • 2 Map points
  • Technion Israel Institute of Technology
The ideal gas equation
The simple gas laws describe the relationships involving the pressure, volume, temperature, and amount of an ideal gas.  Boyle’s law states that for a fixed amount of gas at a constant temperature, the gas volume is inversely proport... Continue Reading
  • 2016-10-07
  • 0 Comments
  • 132 Views
  • 0 Map points
  • Technion Israel Institute of Technology
Ice ,water and vapor
  Look at the following picture and find the different state of the matter Play the animation : Click to Run Read throughly these sentences and then ,choose answer that contain only and all the right statments . 1) when the ma... Continue Reading
  • 2015-11-30
  • 2 Comments
  • 250 Views
  • 3 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
  • 284 Views
  • 4 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
  • 210 Views
  • 9 Map points
  • Technion Israel Institute of Technology
בולענים
בולען הוא שקע הנפער בקרקע, בדרך כלל בפתאומיות. תופעת הבולענים עלתה לאחרונה לכותרות עקב היווצרות בולענים רבים באזור ים המלח. בולענים נוצרים כתוצאה מזרימת מי תהום מתחת לפני הקרקע, שגורמת להמסת שכבות גיר או שכבות מלח, ה... Continue Reading
  • 2016-12-31
  • 3 Comments
  • 240 Views
  • 6 Map points
  • Technion Israel Institute of Technology
Question in C3 (Advanced)
כתוב פונקציה אשר תוגדר באופן הבא: void fun(char **arr) המערך מכיל נתונים על ציוני סטונדטים במקצועות שונים ובכיתות שונות, המערך מכיל כבר נתונים. המערך מכיל מחרוזות בגדלים שווים ובעלי אותה תבנית: (משמאל לימין) 2 תווים להגדרת קוד... Continue Reading
  • 2016-12-26
  • 0 Comments
  • 106 Views
  • 8 Map points
  • Technion Israel Institute of Technology
שפת C
כתוב תוכנית שרצה על המספרים מ1-100 ומדפיסה את הממוצע של המספרים שמתחלקים ב4 ... Continue Reading
  • 2016-11-21
  • 0 Comments
  • 58 Views
  • 4 Map points
  • ORT Braude College of Practical Engineers
Towers of Hanoi- Let the game begin.
The Towers of Hanoi puzzle was published in 1883 by the French mathematician Edouard Lucas, under the pen-name, N. Lucas de Siam. The objective of the game is to move all the disks onto the further pole. There are only two ruls to consider: 1.Y... Continue Reading
  • 2017-05-26
  • 2 Comments
  • 34 Views
  • 0 Map points
  • Technion Israel Institute of Technology
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
  • 293 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
  • 413 Views
  • 8 Map points
  • dina