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Not in organized classes

By following the discussions in the forums, I have observed that a large percentage of scratchers are not enrolled in any sort of formal programmingclasses. Rather, this is something that they are doing on their own. In fact, it seems that for many scratchers, creating, sharing, and discussingprojects is a form of social networking much like other students might engage in using the better known social networking sites.

Viewing tip

I recommend that you open another copy of this document in a separate browser window and use the following links to easily find and view the imageswhile you are reading about them.


  • Image 1 . Rushes with sun by pandalecteur.
  • Image 2 . How to draw a head by dialga..
  • Image 3 . Marble Racer SBE 4000 by jamie.
  • Image 4 . Perspective03 by dbal.
  • Image 5 . Day Dream by cremeglace.
  • Image 6 . Screen shot of the Scratch development environment.
  • Image 7 . Costumes for a boy walking.
  • Image 8 . The toolbox buttons and toolbox pane.

Programming for many purposes

The Scratch player applet

Scratch projects are normally executed within the Scratch development environment shown in Image 6 . However, you must have the Scratch software installed on your computer to execute and view the projects that way. Theanimations that you will see in this module are produced by a Java applet that is created by MIT to cause the scratcher's shared projects to be accessibleonline with no requirement for the viewer to have the Scratch software installed.

These applets usually start running as soon as the web page that contains them is loaded into the browser. (Sometimes you need to click the green flag in the upper-right corner to cause the applet to start running.) You can stop the execution of an applet by clicking the red button in the upper-right corner.You can restart the execution of the applet by clicking the green flag.

Computer art by pandalecteur

The scratchers who create and post these projects come at it from many different viewpoints, but they are all programming in order to accomplish theirown purposes. My guess is that in many cases, programming is simply a means to an end. For example, I would categorize the scratcher named pandalecteur , whose work you will see in Image 1 , as a serious artist. You will find a link to more of her creations here . She combines her programming talent with her artistic talent to produce beautiful animated creations.

Image 1. rushes with sun by pandalecteur.

Missing image.
Image 1. Rushes with sun by pandalecteur.

Click here to view the applet. Close the applet page when finished viewing.

Image 1 contains a screen shot from the applet along with a link that you can click to open another page (window) and cause the applet to run in that page.

Be sure to close the pages

Be sure to close the pages containing the applets when you finish viewing them (or at least click the red button) to avoid having multiple applets running at the same time as you read the remainder of this module.

What if the applets don't run?

You may find that these applets won't run on your computer. If so, that probably means that the Java runtime environment is not installed on yourcomputer. You can download and install the Java runtime software by clicking here .

Questions & Answers

what is biochemistry
Isaac Reply
Biochemistry, sometimes called biological chemistry, is the study of chemical processes within and relating to living organisms. Biochemical processes give rise to the complexity of life. ... The mechanisms by which cells harness energy from their environment via chemical reactions are known as meta
what is pathogenic
kelvin Reply
biological pathogen is anything that can produce disease. a pathogen may also be referred to as an infectious agent, or simple a germ.
explain 3 points why gender is relevant to health.
wat causes sor throat
Ezeama Reply
Gram positive
streptococcus pyrogenes
group A streptococcus pyogenes. But not the only one.
does the bac of s.aures gives choronic diseas in bone?
causes virus bac group A strep allergies smoking
truth also virus
what z microbiology
Mwelwa Reply
microbiology is all about the scientific study of microorganisms, their life changes, their life span, structural punctuality and their phenomenon.
Best scope in microbiology
wat abut skin
whatis scope
what is scope
what happened when someone died and what happened to the blood
Franca Reply
nice question
when you die you have no memory and the blood dry off
what microorganisms is all about?
And how many does the microorganisms is classified?
How are microbs organized
what is endoparasites and exo parasite and their example
Endo : inside the body Exo/ecto : outside or on the body
examples please
Louse for exo/ecto Helminths (worms) for endo
what's prokaryotic
mohaiminul Reply
A prokaryotic cell is a cell with no membrane bounds organelles
what are the main effect of parasite?
yunusa Reply
nutritional group of micro organism
Mana Reply
what are the charateristic bacteria, eukaryotes, and viruses have in commom
Ami Reply
what type of bacteria ismor serious
D N A ar purno rup ki
Ruba Reply
বাংলায় দেখবো DNA এর পূর্রন্যরুপ কি
what's microbiology
micro biology is the study of micro organisms,those being unicellular multicellular or a cellular
deoxyribonucleic acid is a long molecule that contains our unique genetic code.
Does the parasite/parasitology are under microbiology or not
Define bacteria
Bacteria are a type of biological cell & they constitute a large domain of prokaryotic microorganisms.
what kind of microbiology
hello what is main function of T and B cells
Ishaq Reply
T cells are involved in cell-mediated immunity while B cells are primarily responsible for humoral immunity (relating to antibodies)
what is hepatitis B
it's viral infection that attacks the liver and can cause both acute and chronic diseases. the virus is most commonly transmitted from mother to child during birth and delivery, as well as through contact with blood or other body fluids...
What are fundamental experiment of microbiology?
Lucky Reply
study of microscopic organisms, unicellular and multicellular
what are the characteristics of bacteria, viruses, and eukaryotes
bacteria-are living organism. contain a peptidoglycan/lipopolysaccharide cell wall. VIRUS-are considered as organic structure which interact with living organism don't have acell wall. they have many differents like bacteria size -large(1000nm) virus size-smaller(20-400nm). bacteria ribosomes presen
virus ribosomes absence. bacteria living organism. virus b/n living and non-living things
eukaryotic cell has a true membrane bond nucleus and has other membranous organelles that allow for compartmenalization of function
This answer is wrong
Jeffrey Reply
who discovered the growth curve
Joy Reply
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Source:  OpenStax, Teaching beginners to code. OpenStax CNX. May 27, 2013 Download for free at http://cnx.org/content/col11498/1.20
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