جهاز الدياليزا احدى الوسائل التكنولوجيه التي اثبتت نجاعتها في المحافظه على حياه وصحه الأشخاص اللذين يعانون من الفشل الكلوي (أي خلل في الكليتين) هي الكليه الاصطناعيه والتي يعتمد عملها على تقنيه الدم بواسطة الانتشار اذ ينتقل دم المريض ع... Continue Reading
lung cancer treatments Lung cancer may be a result of mutation in certain genes which encode to membrane receptors such as EGFR and KRAS. The treatments to lung cancer include:
Operation, for small tumors.
Radiation.
Chemotherapy.
Specific medications for certa... Continue Reading
?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
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
The speed of falling objects
Four
hundred years ago, the Italian scientist Galileo Galilei claimed that in the
absence of any atmosphere, all bodies on earth (e.g. a hammer and a feather)
would fall to the ground in the same speed, since there would be no air
resistanc... Continue Reading
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
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
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
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
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
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
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
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
שאלה בשפת C כתוב פונקציה המקבלת מערך בשם arr של מספרים שלמים וגודל המערך n.
(יש להניח שכל המספרים הם חיוביים).
על הפונקציה לבדוק האם כל איברי המערך שונים זה מזה, אם כן הפונקציה מחזירה 1 אם לא תחזיר 0 והודעה בהתאם.
... Continue Reading
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
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
Multimedia Questions
Inquiry Questions
