Multimedia Questions
Acids
What substance is an acid? ... Continue Reading
  • 2016-09-24
  • 0 Comments
  • 75 Views
  • 0 Map points
  • Technion Israel Institute of Technology
What Makes a Cat Eyes Shine?
What Makes a Cat's Eyes Shine? https://youtu.be/EGLWPuA9DVs?t=10Choose the right answer:What Makes a Cat's Eyes Shine? ... Continue Reading
  • 2015-11-29
  • 5 Comments
  • 519 Views
  • 5 Map points
  • Technion Israel Institute of Technology
דוגמא לשאלה בכימיה
הקבוצה הקרבוקסילית מתנהגת כחומצה ומאבדת בקלות +H בתמיסה. קבוצה זו נותרת בעלת מטען שלילי על פי התהליך הבא: (1)          הקבוצה האמינית מתנהגת כבסיס וקושרת פרוטון  +H בתמיסה. כתומאה היא הופכת להיות בעלת מטען ... Continue Reading
  • 2017-06-25
  • 0 Comments
  • 7 Views
  • 0 Map points
  • Technion Israel Institute of Technology
Forces and Angles
link for BLOSSOMS video : https://blossoms.mit.edu/videos/lessons/forces_and_angles A vector is a quantity that has both magnitude and direction. Displacement, velocity, acceleration, and force are vectors. In situations in which vect... Continue Reading
  • 2017-05-25
  • 1 Comments
  • 33 Views
  • 1 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
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
  • 396 Views
  • 3 Map points
  • dina
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
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
Acids and bases in our kitchen!
One of the options to determine whether a solution is acidic or basic (alkaline) is to make a pH indicator from red cabbage.How does it work?Red cabbage contains a water-soluble pigment called “anthocyanin”. The pigment changes when it is mixed w... Continue Reading
  • 2015-11-30
  • 5 Comments
  • 383 Views
  • 4 Map points
  • Technion Israel Institute of Technology
Polymers in our lives - Expanded Polystyrene
Ninth grade students have got a project task about polymers, their importance in our everyday life and impact on the environment. One group has chosen to concentrate on the Expanded Polystyrene (EPS) or by its  trademarked br... Continue Reading
  • 2015-12-03
  • 4 Comments
  • 276 Views
  • 3 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
  • 287 Views
  • 2 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
  • 191 Views
  • 9 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
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
C Programming!
כתוב תוכנית שקולטת את שם הסטודינט , אחר כך קולטת את הציונים שלו ומחשבת את ממוצע הציונים למשל ב - (HTML , שפתC, אנגלית , אלגברה ליניארית ובליאנית ) , ומדפיסה אותו. אחרי חישוב הממוצע יודפס ("Exellent" אם הממוצע שווה ל-95 ... Continue Reading
  • 2016-11-20
  • 0 Comments
  • 53 Views
  • 3 Map points
  • ORT Braude College
C שפת
כתוב פונקציות אשר מחשבות זמן בדקות, מהירות בקמ"ש ומרחק בק"מ (הערך יוחזר ע"י מצביע) כאשר התוכנית שואלת את המשתמש מה ברצונו לחשב (זמן/מהירות/מרחק). התוכנית קולטת מהמשתמש שתי משתנים על מנת לחשב את המשתנה הרצוי. ... Continue Reading
  • 2016-11-27
  • 0 Comments
  • 59 Views
  • 1 Map points
  • ORT Braude College
Question in C3 (Advanced)
כתוב פונקציה אשר מוגדרת באופן הבא: int func(char *s1) הפונקציה מקבלת כפרמטר 10 תווים שמורכבים מספרות בלבד. יש לבדוק תקינות הקלט, אם יש יותר או פחות מ 10 תווים או שיש תו שהוא לא ספרה הפונקציה מחזירה 0. הפונקציה תחזיר את המספר הגדו... Continue Reading
  • 2016-12-26
  • 0 Comments
  • 69 Views
  • 7 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