الطفرات الطفرة:
في علم الأحياء هي أي تغير يحدث في المعلومات الجينية - المعلومات الوراثية الحيوية المشفرة في تسلسلات حمض نووي ريبوزي منقوص الأكسجين، والكروموسومات التي تحوي DNA، أو في تسلسلات حمض نووي ري... Continue Reading
Enrage conservation In the above video we can see Roi sitting on his
skateboard on the upper side of the street, when he lift up his legs his skateboard
starts to roll down the street, when he wants to stop his skateboard movement, Roi
pull down his legs so that they... 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
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
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
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
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
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
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
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
array,stdio.h,string.h כתוב פונקצייה שקולטת מהמשתמש 5 גילאים אחר כך שולחת לפונקצייה מסויימת את הגילאים האי זוגיים והפונקצייה מחזירה את הגיל הכי קטן ומדפיסה אותו ב main
... Continue Reading
Question in C3 (Advanced) כתוב פונקציה אשר תוגדר באופן הבא:
void fun(char **arr)
המערך מכיל נתונים על שעות יציאה ונחיתה של טיסות.
הפונקציה אמורה לקלוט מערך דו מימדי שנמצא ב main. המערך מכיל מחרוזות בגדלים שווים ובעלי אותה תבנית, והוא מכיל 40 שורות:
(התבנ... 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
