The Evolution and benefits of School Technologies

By Priyank Shah, Richard Keegan, Sarah NeSmith, and

Megan RallGroup 7

Chalk Boards vs. Projectors

Chalk Boards• Framed with wood to

keep from breaking, and marked on with shards of slate

• Used in the 19th century to save paper

• In the 1990s potential health risks posed by chalk dust prompted the replacement of many blackboards with whiteboards

Projectors • Projectors began to be

widely used in schools in the late 1950s and early 1960s.

• Teaching materials can be preprinted on transparencies, which can be written on and reused.

• Today projectors are slowly being replaced by computer projection systems, interactive whiteboards, etc. due to technology advancement in society.

Price Comparisons

Item Price Source

Chalkboard (Frame, 23 x 35 Inches)

$19.14

Amazon

Chalk (3.25 x 0.375 Inch Chalk Sticks, 12 Count)

$3.99

Amazon

Whiteboard (48 x 36, White)

$39.46

Amazon

White board marker (6-Piece Original Dry Erase Marker Starter Kit)

$9.86

Amazon

Overhead Projector $187.53 Amazon

Overhead Projector(Bulb and Transparency)

$8.24+17.66 Amazon

Document Camera $2,691.00 Schooloutfitters

LCD Projector $328.99 Amazon

Pros and Cons • Chalk Board– To own and maintain would

cost $25– Chalk Dust can cause:

Nausea, Vomiting, Diarrhea, Constipation, Stomach pain, and Eye irritation

• White Board– To own and maintain a

white board would cost $50– Medical symptoms that

could be caused by dry markers are dangerous

– Markers may dry out faster if not kept them close

• Document Camera – Costs about $2,691.00 – Better clarity then the

Overhead projector– Not good for mobility and

is heavy• LCD Projector

– Costs about $328– Learn More

Overhead Projector– To own and maintain

would cost $213.43– For more information

From Paper to Technology

Notebooks Transfer into Computers

1780 – The teacher is the primary manager of instruction and assessment in a single classroom. 1946 – First vacuum tube-based computers developed but used only for the war effort. Notebooks and paper are the main classroom component. 1954- General electric is the first business to order a computer.

1992- Schools begin using gopher servers to provide students with on-line information 1994- Most U.S. classrooms have at least one PC available for instructional delivery 1995- The internet and world wide web gains popularity with the public 1997-2007- More computers are stored in schools . Educators store graphic, video, and sound files for educational applications

Price Comparisons

Composition Notebook $1.50

Spiral Notebook $2.00Computer $150.00Toshiba Computer $400.00

Hardcopy vs. Electronic Copy

• A study by Neşet Demirci – There was not a statistical difference in what

students preferred – No difference in the scores that the students received

on both kinds of assignments. • Costs

– Electronic devices are higher in cost than paper and pencil, but not in the long run

– This article points out the security, and ease of access with electronic file storage. This information was found on this website:

• Palm Pilots – The Palm Pilot is lightweight, and has many functions

that can be used in the classroom– the average K-12 student will save two trees a year by

doing their homework on a Palm Pilot.

Creators

Priyank Shah (Slides 1-4)Sarah NeSmith (Slides 6-8)Richard Keegan (Slide 8)

Megan Rall (Editor)

LinksChalkboards

VS Projectors

By Priyank Shahhttp://www.wisegeek.com/what-is-the-history-of-the-chalkboard.htmhttp://en.wikipedia.org/wiki/Overhead_projectorhttp://www.amazon.com/Board-Dudes-Chalk-Inches-9184BDUA-6/dp/B0018N72T0/ref=sr_1_2?ie=UTF8&qid=1327185023&sr=8-2http://www.amazon.com/Board-Dudes-Chalk-Inches-9184BDUA-6/dp/B0018N72T0/ref=sr_1_2?ie=UTF8&qid=1327185023&sr=8-2http://www.amazon.com/Dry-Erase-Board-Melamine-Satin-Finished-Aluminum/dp/B000J0CARW/ref=sr_1_2?s=office-products&ie=UTF8&qid=1327186015&sr=1-2http://www.amazon.com/Expo-6-Piece-Original-Marker-Starter/dp/B00006IFIV/ref=pd_sbs_op_3http://www.amazon.com/Apollo-Horizon-Overhead-Projector-V16000M/dp/B00006ID1Q/ref=sr_1_1?s=office-products&ie=UTF8&qid=1327186638&sr=1-1http://www.amazon.com/Apollo-Overhead-Projector-Output-VA-DYS-6/dp/B0006HUXZO/ref=sr_1_3?s=office-products&ie=UTF8&qid=1327186727&sr=1-3http://www.amazon.com/Apollo-Write--Transparency-Inches-VWO100C-BE/dp/B001GXD2A0/ref=sr_1_1?s=office-products&ie=UTF8&qid=1327186790&sr=1-1https://www.schooloutfitters.com/catalog/product_info/pfam_id/PFAM5151/products_id/PRO13713?sc_cid=amazon.com_ELM-1301http://www.amazon.com/ViewSonic-PJD5123-Projector-120Hz-Lumens/dp/B004UG3BQK/ref=sr_1_1?s=pc&ie=UTF8&qid=1327892538&sr=1-1http://www.rightdiagnosis.com/c/chemical_poisoning_chalk/signs.htm