אוסמוזה בביצה אוסמוזה בביצה
הניסוי שאתם הולכים לבצע ממחיש תהליך האוסמוזה שהוא מעבר של ממס דרך קרום בררני לפי כיוון מפל הריכוזים . כידוע לביצה יש שתי קליפות - חיצונית ופנימית , בניסוי שאתם הולכים לבצע הביצים הושרו בחומץ למשך 4... Continue Reading
Effect of thermal stratification Cyanobacteria blooms in Lake Kinnert
can be explained by the effect of thermal stratification. The density of water
depends on temperature: Surface waters are warmer and less dense compared to
bottom waters that are colder and denser. These layers... Continue Reading
Organic battery You are stranded alone on an island due to your boat crashing during a storm. The only equipment you have is a lightbulb and boards of wood (popsicle sticks) remaining from your boat and Some metals that you found on the island.
After touring the ... Continue Reading
Starlight Stargazing is a nice hobby.
To implement this hobby, you will need to look for a good place to make observation.
Global map of light pollution
This movie was taken from the site of "International Dark-Sky Association".
... Continue Reading
How fast does a secret spread The Power of Exponentials in Daily Life
Watch the Blossoms video called “the power of exponentials”: https://blossoms.mit.edu/videos/lessons/power_exponentials_big_and_small
How would you explain the idea of ... Continue Reading
World Water Monitoring Challenge The World Water Monitoring Challenge (WWMC) is an international program that runs annually from March 22 (the United Nations World Water Day) through December and equips anyone to protect the water resources we depend on every day. WWMC builds p... Continue Reading
Field Methods for Modern Sedimentology This is the first of the five virtual field trip modules. This virtual trip introduces and demonstrates the field methods used in the following virtual field trips. These methods are also commonly used field methods for studying modern sedimentology.... Continue Reading