How Green is Your Neighborhood? The world’s largest recruiter to environmental
movement “Earth Day” has declared 2016 as the planting trees year, in
order to mitigate the Global Warming.Goals set by Earth Day organizers included
massive tree planting with a target of ... Continue Reading
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
ocean acidification The rate of seawater acidity is increasing - danger to organisim.According to the latest predictions there is an increase in the acidity of seawater and oceans. By 2050, Water, fill two-thirds of the Earth's surface, will be 150% more aci... 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
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 younge... 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