Multimedia Questions
The effect of sea and water pollution on sea ecology
We live on the coast of the Mediterranean sea. Watch the following video about a fragment of the Mediterranean coast:... Continue Reading
  • 2016-05-08
  • 0 Comments
  • 653 Views
  • 0 Map points
  • Technion Israel Institute of Technology
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: تحفيز اسموزي: ان ارتفاع الضغط الاسموزي للدم يؤدي الى اثارة مستقبلات اسموزية موجود في مقدمة الهيبوثلاموس، التي تحفز بدورها الغدة النخامية على افراز ADH. وكما ذكرنا فان ADH يحفظ... Continue Reading
  • 2018-02-02
  • 0 Comments
  • 159 Views
  • 0 Map points
  • Albayan
Ocean Acidification
When carbon dioxide (CO2) is absorbed by seawater, chemical reactions occur that reduce seawater pH, carbonate ion concentration, and saturation states of biologically important calcium carbonate minerals. These chemical reactions are termed "ocean a... Continue Reading
  • 2016-05-14
  • 7 Comments
  • 814 Views
  • 9 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
  • 281 Views
  • 1 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
  • 840 Views
  • 3 Map points
  • dina
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
  • 735 Views
  • 0 Map points
  • dina
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
  • 224 Views
  • 0 Map points
  • ORT Braude College of Engineering
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
قانون نيوتن الثاني
كيف يمكن معرفة اذا الجسم يتحرك بتسارع او بتباطئ من خلال داله؟  ... Continue Reading
  • 2018-05-23
  • 0 Comments
  • 139 Views
  • 1 Map points
  • Maghar
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
  • 533 Views
  • 2 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
  • 874 Views
  • 5 Map points
  • Technion Israel Institute of Technology
Acides
Which of the following compounds is defined as an acid? ... Continue Reading
  • 2016-09-22
  • 0 Comments
  • 302 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
  • 466 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
  • 1505 Views
  • 6 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
  • 183 Views
  • 1 Map points
  • Technion Israel Institute of Technology
"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
  • 175 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
  • 153 Views
  • 3 Map points
  • ORT Braude College of Practical Engineers
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
  • 153 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
  • 509 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
  • 814 Views
  • 8 Map points
  • dina