Multimedia Questions
صراع البقاء- מלחמת הקיום
عندما يعتمد نوعان من الكائنات الحيه على مصدر واحد من الغذاء في بيئتهما فانهما لا بد من ان يتنافسا على نفس المصدر. وفي اغلب الحالات يكون المصدر نوعا من الغذاء لكن توجد امور اخرى قد تكون مصدرا لهذا التنافس مثل المأوى ,واماكن بناء الأعشاش ,ومصدر الماء والاضاءه والخ قد يحصل التنافس بين افراد نفس النوع او بين افراد انواع مختلفه   اين تكون شدة التنافس اقوى وأشد؟ ... Continue Reading
  • 2018-01-02
  • 0 Comments
  • 161 Views
  • 0 Map points
  • Technion Israel Institute of Technology
The Anomaly of Water
See the attached video clip and then answer the question : Why does ice float on water ?... Continue Reading
  • 2015-12-08
  • 3 Comments
  • 975 Views
  • 2 Map points
  • Technion Israel Institute of Technology
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
  • 577 Views
  • 9 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
  • 471 Views
  • 5 Map points
  • Technion Israel Institute of Technology
Potential energy
 Every object in nature that located at certain height and gravity  acting on it has potential energy.  We can calculate use the equation Up=m*g*h.  The energy released when the object falls.In elevating system we use weigh... Continue Reading
  • 2016-04-30
  • 0 Comments
  • 742 Views
  • 0 Map points
  • dina
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
  • 423 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/comple... Continue Reading
  • 2017-05-15
  • 1 Comments
  • 335 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
  • 549 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
  • 2 Comments
  • 292 Views
  • 0 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
  • 770 Views
  • 3 Map points
  • Shorouq
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
  • 532 Views
  • 2 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
  • 227 Views
  • 1 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
  • 186 Views
  • 1 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
  • 486 Views
  • 3 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. שאלה: בשנה מסוימת, נמדדו הכמויות הממוצעות בישראל לאורך שפת הים התיכון של המדוזות, הדגים וצבי הים. כמו כן נמדדה טמפרטורת המים והוערכה רמת הזיהום. התוצאות מובאות בג... Continue Reading
  • 2016-12-29
  • 11 Comments
  • 546 Views
  • 7 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
  • 149 Views
  • 2 Map points
  • ORT Braude College of Practical Engineers
Question in C3 (Advanced)
כתוב פונקציה אשר תוגדר באופן הבא: void fun(char **arr) המערך מכיל נתונים על מוצרים בחנות מסויימת. הפונקציה אמורה לקלוט מערך דו מימדי שנמצא ב main. המערך מכיל מחרוזות בגדלים שווים ובעלי אותה תבנית: (משמאל לימין) 4 תווים להגדרת שנה, רווח, 2 תווים להגדרת חודש, רווח, 4 תווים להגדרת קוד מוצר, רווח, 2 תווים להגדרת קוד מדף.   הנתונים הם: קוד מוצר וקוד המדף שנמצא עליו, וחודש ושנה של... Continue Reading
  • 2016-12-25
  • 0 Comments
  • 246 Views
  • 8 Map points
  • Technion Israel Institute of Technology
שאלה בשפת C
כתוב תוכנית אשר מקבלת מהמשתמש מרחק בקילומטרים ומהירות בקמ"ש ומחשבת את זמן ההגעה בדקות ובשעות אל היעד. ... Continue Reading
  • 2016-11-20
  • 1 Comments
  • 140 Views
  • 2 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
  • 512 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
  • 817 Views
  • 8 Map points
  • dina