FrAcTaL
A natural fractal is a natural element that can be described by fractal geometry. Clouds, mountains, circulatory system, the coastlines or snowflakes are natural fractals. This representation is approximate, since the properties ascribed to the ideal fractal objects such as infinite detail, have limits on the natural world.
Characteristics
Frost crystals formed naturally on cold glass illustrate fractal process development in a purely physical system
A fractal often has the following features:
It has a fine structure at arbitrarily small scales.
It is too irregular to be easily described in traditional Euclidean geometric language.
It is self-similar (at least approximately or stochastically).
It has a Hausdorff dimension which is greater than its topological dimension (although this requirement is not met by space-filling curves such as the Hilbert curve).
It has a simple and recursive definition.
Because they appear similar at all levels of magnification, fractals are often considered to be infinitely complex (in informal terms). Natural objects that are approximated by fractals to a degree include clouds, mountain ranges, lightning bolts, coastlines, snow flakes, various vegetables (cauliflower and broccoli), and animal coloration patterns. However, not all self-similar objects are fractals—for example, the real line (a straight Euclidean line) is formally self-similar but fails to have other fractal characteristics; for instance, it is regular enough to be described in Euclidean terms.
Images of fractals can be created using fractal-generating software. Images produced by such software are normally referred to as being fractals even if they do not have the above characteristics, such as when it is possible to zoom into a region of the fractal that does not exhibit any fractal properties. Also, these may include calculation or display artifacts which are not characteristics of true fractals.
GeOgEbRa
GeoGebra is a free interactive mathematical software education in colleges and universities. Its creator Markus Hohenwarter, the project began in 2001 in Salzburg University and continued on Atlantic University, Florida.
It is basically a "geometric processor" and a "Processor algebraic", ie a collection of interactive mathematical software meets geometry algebra and calculus, and therefore can be used also in physics, business projections, estimates strategic decision and other disciplines.
GeoGebra is written in Java and therefore available on multiple platforms.
GeoGebra constructions can be made from points, lines, rays, segments, vectors, tapered ...etc. - by direct use of tools operated with the mouse or the entry of commands into the input bar with the keypad or by selecting from the list available
jueves 9 de junio de 2011
SOME QUESTIONS TOEFL
1.
<!--[if !supportLists]-->1. <!--[endif]-->He is ____ trying to contact this office, but so far he hasn't been successful.
<!--[if !supportLists]-->2. <!--[endif]-->He is ____ trying to contact this office, but so far he hasn't been successful.
<!--[if !supportLists]-->3. <!--[endif]-->To start ___, we don't have enough money.
<!--[if !supportLists]-->4. <!--[endif]-->I read the article ___ the newspaper.
<!--[if !supportLists]-->5. <!--[endif]-->We were waiting for him but he didn't show ___.
<!--[if !supportLists]-->6. <!--[endif]-->The bank has agreed to ___ me some money.
<!--[if !supportLists]-->7. <!--[endif]-->If I had been invited to make a speech, I ___ happy to.
<!--[if !supportLists]-->8. <!--[endif]-->I couldn't carry all the bags ____ so I got a porter to help me.
<!--[if !supportLists]-->9. <!--[endif]-->What I want to know is ____ car is blocking mine!
<!--[if !supportLists]-->10. <!--[endif]-->The lawyer handed ____ the letter to sign just us I was leaving.
<!--[if !supportLists]-->11. <!--[endif]-->They came back ___ car.
<!--[if !supportLists]-->12. <!--[endif]-->We were tied ___ in traffic.
<!--[if !supportLists]-->13. <!--[endif]-->The doctor advised her ____ smocking.
<!--[if !supportLists]-->14. <!--[endif]-->It's hot inside. Take ____ your jacket.
<!--[if !supportLists]-->15. <!--[endif]-->I was very angry because Mark ___ me when I was trying to work.
<!--[if !supportLists]-->16. <!--[endif]-->All our bank managers are ____ to approve loans of up to $20,000.
<!--[if !supportLists]-->17. <!--[endif]-->Mr. Jones is highly ___ for his skill at negotiating contracts.
<!--[if !supportLists]-->18. <!--[endif]-->John, who should really know better, ___ came to the meeting unprepared.
<!--[if !supportLists]-->19. <!--[endif]-->The handle fell ___.
<!--[if !supportLists]-->20. <!--[endif]-->I was late because my car broke ___.
<!--[if !supportLists]-->21. <!--[endif]-->She blew ___ the candles.
<!--[if !supportLists]-->22. <!--[endif]-->Your name is ____ the top of the list.
<!--[if !supportLists]-->23. <!--[endif]-->The drain is ____ by mud.
<!--[if !supportLists]-->24. <!--[endif]-->Even though it was snowing, there was very ___ ice on the road.
<!--[if !supportLists]-->25. <!--[endif]-->Two ___ four equals eight.
<!--[if !supportLists]-->26. <!--[endif]-->I'm going away ___ the end of march.
<!--[if !supportLists]-->27. <!--[endif]-->Our department is ___ the second floor of the building.
<!--[if !supportLists]-->28. <!--[endif]-->I saw peter ____ a concert last friday.
<!--[if !supportLists]-->29. <!--[endif]-->He traveled ____ 7:45 train, which arrived at 8:30
TOEFL
The TOEFL (Test Of Inglés as a Foreign Language) is a test that measures fluency and knowledge in the English language. Based on the English spoken in the United States, the company is developed by ETS, as well as other tests such as GRE. The certificates provided by the test are recognized internationally, especially by educational institutions, which are those for which is primarily directed.
The test can be performed throughout the world, approved by ETS facilities and preparations to host the exam. The price of the test is not the same throughout the world.
American English Course
Exercise 1
Example:
a) The book is new
It´s new
b) Mr. Thompson works in a bank
He works in a bank
1) My office is downtown.
It´s downtown.
2) Tom has a new radio.
He has a new radio.
3) Miss Johnson and Mrs. Wilson are cousins.
They are cousins.
4) Those blue buses go downtown.
They go downtown.
5) Philip and John and I are in the same English class.
We are in the same English class
6) Miss Johnson comes to class every other day.
She comes to class every other day.
7) Mr. and Mrs. Marshall are Americans.
They are Americans.
8) My father and I always go to work on the same bus.
We always go to work on the same bus.
9) Our house isn’t very old.
Our it isn´t very old.
10) You and your sister never come to class late.
You never come to class late.
11) Miss Scott is nineteen years old.
She is nineteen years old.
12) The Anderson children go to class late.
They go to class late.
13) You and Carl are good English students.
They are good English students.
14) The teacher often reads aloud in class.
He often reads aloud in class.
15) Mr. Jones isn´t a tall man.
He isn´t a tall man.
16) My sister Mary often fixes supper at our house.
She often fixes supper at our house.
Blogger Vs Moodle
Blog and Moodle are two different platforms, although can be used in educational settings is huge difference. Many people start writing in a blog and then discover Moodle, but initial experience is helpful.
Moodle is a learning sofwere but they can only occupy those in the group.
Blogger is more casual to publish any information.
Yes you can link the blog to Moodle, it would have to do at what level, but I think can bind, for Moodle requires a system of income security, although Sure, you can create courses open to guests who do not require password.
