Curated OER
Conversion of Measurement
Students practice converting measurements using System Internationale (SI). (The metric system is now called System Internationale.) In groups, students measure various objects in the room using the SI system and the standard unit of...
Georgia Department of Education
Ga Virtual Learning: Biology: Scientific Methods
Through informational text, colorful animations, and video clips, students investigate the methodology utilized by scientists to answer scientific questions or solve scientific problems.
Florida-Spectrum Environmental Services
Florida Spectrum: Chemical Fact Sheet: Silicon
This site provides a fact sheet with information on the basic data and properties of Silicon. It also includes some of its uses.
Other
Bipm: The International System of Units (Si)
BIPM (Bureau International des Poids et Mesures) is an international organization, located in France, an equivalent of our National Institute of Standards and Technology (NIST). This site is the BIPM intro page to their official...
Languages Online
Languages Online: Si Clauses + Conditional Tense
This exercise-practice the teaches students how to write imperfect subjunctive and the conditional tense used in Spanish "if-would" clauses. Fill in the blank with the conditional or past subjunctive form of the verb. Answers may be...
Simon Fraser University
Chem1 Virtual Textbook: Understanding the Units of Scientific Measurement
As part of a larger site called "Getting started in Chemistry," this site examines the units of scientific measurement with specific attention given to SI base units, SI decimal prefixes, units outside SI, and more.
Colby College
Spanish Language & Culture: Commands and Si Clauses
Great explanation of "if" clauses in the present indicative tense that are used in sentences with command forms. The exercise focuses on using the affirmative "tu" command and tests the student's mastery of a variety of present tense and...
Colby College
Spanish Language & Culture: Future Tense and Si Clauses
Great explanation of "if" clauses in the present indicative tense that are used in sentences with the future tense. A short exercise tests the student's mastery of the principle and reviews a variety of present and future tense...
Colby College
Spanish Language & Culture: Present Indicative Si Clauses
Great explanation of "if" clauses and when to use the present indicative tense. A short exercise tests the student's mastery of the principle and reviews a variety of present tense conjugations. Answers may be checked and corrected.
Colby College
Spanish Language & Culture: Past Subjunctive Si Clauses
This Spanish grammar exercise provides adequate practice conjugating verbs in the conditional tense and in the past subjunctive in sentences that contain "if" clauses. Answers may be checked and corrected.
Other
Bipm: Si Brochure
Here's where to obtain your official brochure on SI, from the people who derived it. Little info at this site, except how to order an official brochure (and its cost). Or you can download a copy free.
CK-12 Foundation
Ck 12: Units of Measurement
[Free Registration/Login may be required to access all resource tools.] Students explore the scientific implications of measurement, and learn about system international metrics, dimensional analysis, scientific notation, and more.
Web Elements
Web Elements Periodic Table: Silicon
Excellent site with a great deal of helpful information on silicon.
Smithsonian Institution
Smithsonian Institution
The online home of the Smithsonian Institution. Explore art and design, history and culture, science and technology, and much more!
Chem4kids
Chem4 Kids: Silicon (Si)
Here you can find some great information about the 14th element in the periodic table, "silicon." Content focuses on silicon's electrons, where you can find silicon in nature and in the home, and how silicon combines with other elements.
Texas Education Agency
Texas Gateway: Converting Between Measurement Systems
Given a real-world situation with measurements in either metric/SI or customary units, the student will solve a problem requiring them to convert from one system to the other.
St. Charles Place Education Foundation
Reading Bear: Si, Su, Ci, Ti, Tu Lesson
In this beginning reading module, the instructor models how to pronounce words that incorporate "si", "su", "ci", "ti", or "tu" in them. Students are prompted to with the video segments at various times. Students can choose to sound out...
Wikimedia
Wikipedia: International System of Units
Wikipedia offers detailed information on SI, or the International System of Units. Includes hyperlinked table of contents for easy site navigation.
TED Talks
Ted: Ted Ed: Silicon: Periodic Table of Videos
The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about silicon, an element which plays a crucial role in electronics. [3:37]
Simon Fraser University
Chem1 Virtual Textbook: The Si Base Units
As part of the General Chemistry Virtual Textbook, this site examines a variety of topics related to the measure of matter. In addition to a discussion on SI base units, the site covers the SI decimal prefixes, units outside the SI, and...
Other
Bowdoin: Review of Uses of the Subjunctive
Review the uses of the subjunctive and see examples of each use in English and Spanish.
Colby College
Spanish Language & Culture: Si Clauses With the Imperfect
This site from the Colby College provides a great explanation of "if" clauses and the imperfect tense. The exercise provides great practice with the imperfect past. Answers may be checked and corrected.
CK-12 Foundation
Ck 12: Biology: Units of Measurement in Biology
[Free Registration/Login may be required to access all resource tools.] Covers standard scientific units of measurement.
Other
Interactive Learning Paradigms: Volume Unit Conversions
Learn the units of volume measurement. Page includes a conversion calculator, information about the metric system, and numerous links to other relevant material.