Explore Physics of Space Weather
![](/images/icons/physics_startingpts.jpg)
Some basic concepts find applications in many, many places throughout science, especially physical ...
Read more
![](/images/icons/physics_mechanics.jpg)
Mechanics is the term used to refer to one of the main branches of the science of physics. ...
Read more
![](/images/icons/physics_em.jpg)
Electricity and magnetism are two closely related and very important topics within the science ...
Read more
![](/images/icons/physics_thermal.gif)
The scientific field of thermal physics is concerned with heat and temperature. When we delve ...
Read more
![](/images/icons/physics_atomic.gif)
Atoms and the minute particles from which they are made strongly influence the nature of many ...
Read more
![](/images/icons/physics_tools.gif)
Some concepts are used in many different fields of science and serve as a general purpose "toolbox" ...
Read more
Did you know?
Do you know how
photosynthesis works?
Do you know the main points of the theory of natural selection?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Plate tectonicsxPlate tectonics : The theory supported by a wide range of evidence that considers the Earth's crust and upper mantle to be composed of several large, thin, relatively rigid plates that move relative to one another.
Click on the word to find out!
Research Highlights
Tiny variations in the isotopic composition of silver in meteorites and Earth rocks are helping scientists put together a timetable of how our planet was assembled, beginning 4.568 billion years ago. Results...
Read more![](/olpa/early_water_small.jpg)