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
  • 276 Views
  • 9 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
  • 206 Views
  • 10 Map points
  • Technion Israel Institute of Technology
Acids
What substance is an acid? ... Continue Reading
  • 2016-09-24
  • 0 Comments
  • 75 Views
  • 0 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
  • 84 Views
  • 1 Map points
  • Technion Israel Institute of Technology
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
  • 338 Views
  • 3 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
  • 2016-09-25
  • 0 Comments
  • 94 Views
  • 0 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
  • 47 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
  • 36 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
  • 40 Views
  • 0 Map points
  • Technion Israel Institute of Technology
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
  • 378 Views
  • 5 Map points
  • Technion Israel Institute of Technology
density of materials
Watch the video below:Density is a characteristic property of a material, which expresses the relationship between the mass of the material and the volume (how much space the material takes up).According to the video, where do we float more... Continue Reading
  • 2015-12-02
  • 2 Comments
  • 367 Views
  • 3 Map points
  • Shorouq
Galileo thermometer
A Galileo Thermometer is a device made of a sealed glass cylinder, containing a clear liquid (water,  for example), and several floating glass bubbles, each filled with a different color liquid, and a small metal tag hanging from it.  ... Continue Reading
  • 2015-11-23
  • 4 Comments
  • 139 Views
  • 4 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
  • 188 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
  • 274 Views
  • 3 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
  • 617 Views
  • 6 Map points
  • Technion Israel Institute of Technology
תוכנה
נתון שני קבצי טקסט, אחד בשם data1.txt שמכיל תווים. והשני בשם data2.txt שמכיל 3 מספרים. יש לבנות 3 מערכים דינמיים מסוג char שכל אחד מהם בגודל המספרים שבתוך הקובץ .data2.txt לאחר ההקצאה הדינמית יש לבנות מחרוזת בגודל שהוקצה כאשר התווים של... Continue Reading
  • 2016-11-19
  • 0 Comments
  • 28 Views
  • 0 Map points
  • ORT Braude College
שפה C,פונקסיה רקורסיבית
כתוב תוכנת שמקבלת מערך דו מימדי בגודל 5X5 מהמשתמש,המערך נשלח לפונקסיה רקורסיבית שמסכמת את סכום האלכסון ומדפסה אותו ב-main..  ... Continue Reading
  • 2016-11-16
  • 3 Comments
  • 67 Views
  • 2 Map points
  • ORT Braude College
Question in C3 (Advanced)
כתוב תוכנית אשר קולטת מערך דו מימדי דינמי בגודל NXN כאשר N חייב להיות מספר חיובי בין 5-8 כולל. התוכנית תקלוט למטריצה רק מספרים חד ספרתיים (0-9 כולל). יש לוודא תקינות. התוכנית תבדוק אם סכום כל שורה i שווה לסכום של כל עמ... Continue Reading
  • 2016-12-26
  • 0 Comments
  • 64 Views
  • 9 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
  • 272 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
  • 362 Views
  • 8 Map points
  • dina