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Ideas for Classroom Use

Sextant

Object Analysis

Using the PDF worksheet in the sidebar, complete an object analysis worksheet.  Perhaps complete it before learning more about the object, and then again after reading the artifact article.  Did any of your answers change?

Common Core State Standards Connections

Writing, Grades 3-5

Standard 1 - Write opinion pieces on topics or texts, supporting a point of view with reasons and information.

Standard 9 - Draw evidence from literary or informational texts to support analysis, reflection, and research.

Speaking and Listening, Grades 3-5

Standard 1 – Engage in a range of collaborative discussions (one-on-one, in groups, and teacher-led) with diverse partners on grade-level topics and texts, building on others’ ideas and expressing their own clearly.

Reading for Information, Grades 6-12

Standard 7 – Integrate information presented in different media or formats (e.g. visually, quantitatively) as well as in words to develop a coherent understanding of a topic or issue.

Writing, Grades 6-12

Standard 1 – Write arguments to support claims with clear reasons and relevant evidence.

Standard 9 – Draw evidence from literary or informational texts to support analysis, reflection, and research.

Speaking and Listening, Grades 6-12

Standard 1 – Engage effectively in a range of collaborative discussions (one-on-one, in groups, and teacher-led) with diverse partners on grade-level topics, texts, and issues, building on others’ ideas and expressing their own clearly.

Reading for Literacy in History/Social Studies, Grades 6-12

Standard 2 – Determine the central ideas or information of a primary or secondary source; provide an accurate summary of the source distinct from prior knowledge or opinions.

Standard 7 – Integrate visual information (e.g. in charts, graphs, photographs, videos, or maps) with other information in print and digital texts.

Writing for Literacy in History/Social Studies, Grades 6-12

Standard 1 – Write arguments focused on discipline-specific content.

Standard 9 – Draw evidence from informational texts to support analysis, reflection, and research.

Classroom Demonstration

There are several instruments that are capable of measuring angles between objects, with sextants being the most popular in use today.  However, years before the sextant was invented, an instrument known as a quadrant was used.  A quadrant is a similar instrument to a sextant, but is much simpler to use, as it's measuring a larger angle (while the scale of a sextant is one-sixth the arc of a circle, that of a quadrant is one-quarter the arc of a circle).  This activity, courtesy of the Mystic Seaport Planetarium, will show you how to create your own quadrant so that you can try your hand at measuring angles, and can be located to the right in the sidebar of this Artifact Article under "In The Classroom" (this will open a PDF document).

To Take this Activitiy a Step Further: TRACKING THE PATTERN OF THE SUN1   

 

1. This portion of the activity is courtesy of the Center for Science Education @ Space Sciences Laboratory, UC Berkeley, and can be found at  http://cse.ssl.berkeley.edu/AtHomeAstronomy/activity_08.html

Common Core State Standards Connections

Speaking and Listening, Grades 3-5

Standard 1 – Engage in a range of collaborative discussions (one-on-one, in groups, and teacher-led) with diverse partners on grade-level topics and texts, building on others’ ideas and expressing their own clearly.

Speaking and Listening, Grades 6-12

Standard 1 – Engage effectively in a range of collaborative discussions (one-on-one, in groups, and teacher-led) with diverse partners on grade-level topics, texts, and issues, building on others’ ideas and expressing their own clearly.