Vernier Caliper JS Model

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written by Jiun Wei Chia

The Vernier Caliper JavaScript Model shows the principle of operation and the physical parts of a Vernier Caliper.

The Vernier calipers model has

an object (Blue) for the internal jaws to measure width of an object with slider to control width of the object and simple drag action to control position of object.
an object (Green) for external jaws to measure internal diameter of a cylinder for example with slider to control dimensions of the cylinder.
checkbox for answer to show the meaning of reading on the main scale and the vernier scale with zero error calculations if any.
drop down menu of the various common vernier scales for sense making and additional testing out by learners their ideas of how vernier works.
fine <> control buttons for learners to manipulate the model with single incremental precision
slider control for fast changes in the vernier measurement
reset button to bring simulaton back to original (default)
setting.

.zip

download 202kb .zip
Published: November 29, 2014

4 ready-to-run examples are available

Open Vernier Caliper Source Code in Web EJS

Open Vernier Caliper Demo Source Code in Web EJS

1 supplemental document is available

2 source code documents are available

Subjects	Levels	Resource Types
General Physics - Equipment = Mechanical Equipment - Measurement/Units	- Lower Undergraduate - High School	- Instructional Material = Interactive Simulation = Model

Intended Users	Formats	Ratings
- Learners - Educators	- application/javascript - application/zip - text/html	Currently 5.0/5 Rated 5.0 stars by 1 person Want to rate this material? Login here!

Access Rights:: Free access
License:: This material is released under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 license.
Rights Holder:: Jiun Wei Chia
Keyword:: measurement
Record Cloner:: Metadata instance created November 27, 2014 by Wolfgang Christian
Record Updated:: September 27, 2015 by Wolfgang Christian
Last Update when Cataloged:: November 29, 2014
Other Collections:: The Open Source Physics

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AAAS Benchmark Alignments (2008 Version)

11. Common Themes

11B. Models

6-8: 11B/M6. A model can sometimes be used to get ideas about how the thing being modeled actually works, but there is no guarantee that these ideas are correct if they are based on the model alone.

12. Habits of Mind

12B. Computation and Estimation

6-8: 12B/M8. Decide what degree of precision is adequate and round off the result of calculator operations to enough significant figures to reasonably reflect those of the inputs.

12C. Manipulation and Observation

6-8: 12C/M3. Make accurate measurements of length, volume, weight, elapsed time, rates, and temperature by using appropriate devices.
6-8: 12C/M5. Analyze simple mechanical devices and describe what the various parts are for; estimate what the effect of making a change in one part of a device would have on the device as a whole.

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Record Link

<a href="https://www.compadre.org/portal/items/detail.cfm?ID=13376">Chia, Jiun Wei. "Vernier Caliper JS Model."</a>

AIP Format

J. Chia, Computer Program VERNIER CALIPER JS MODEL (2014), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13376&DocID=3953).

AJP/PRST-PER

J. Chia, Computer Program VERNIER CALIPER JS MODEL (2014), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13376&DocID=3953>.

APA Format

Chia, J. (2014). Vernier Caliper JS Model [Computer software]. Retrieved April 25, 2024, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13376&DocID=3953

Chicago Format

Chia, Jiun Wei. "Vernier Caliper JS Model." https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13376&DocID=3953 (accessed 25 April 2024).

MLA Format

Chia, Jiun Wei. Vernier Caliper JS Model. Computer software. 2014. 25 Apr. 2024 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13376&DocID=3953>.

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@misc{ Author = "Jiun Wei Chia", Title = {Vernier Caliper JS Model}, Month = {November}, Year = {2014} }

Refer Export Format

%A Jiun Wei Chia %T Vernier Caliper JS Model %D November 29, 2014 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13376&DocID=3953 %O application/javascript

EndNote Export Format

%0 Computer Program %A Chia, Jiun Wei %D November 29, 2014 %T Vernier Caliper JS Model %8 November 29, 2014 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13376&DocID=3953

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