TED Talks
Ted: Ted Ed: Iridium: Periodic Table of Videos
The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. Iridium is element 77 and its symbol is Ir. [7:08]
Other
Premier Payroll Research Library: Fringe Benefits
This article has the employer realize the importance of reporting fringe benefits to the IRS. This explains what fringe benefits are. Lists certain benefits that may be excluded from income as well as others which may not be excluded.
Study Languages
Study Spanish: Irregular Commands (Tu)
Great introduction to irregular affirmative commands in Spanish that use the pronoun tu: decir, hacer, ir, poner, salir, ser, tener, and venir. A quiz at the end of the lesson tests the student's mastery of these irregular command forms.
Study Languages
Study Spanish: Preterite Part 2
This site is an introduction to four common irregular verbs in the preterite tense: ser, ir, dar, and hacer. A quiz at the end of the lesson tests the student's mastery of these irregular conjugations.
Study Languages
Study Spanish: Volver a + Infinitive
Good introductory lesson to the use of "volver a". "Poder", "ir a", and "acabar de" are also introduced as other double verb constructions. A quiz, oral exercize, and short test at the end of the lesson tests the student's mastery of...
Other
Employee Benefits Legal Site: 403(b) Plan Audit Issues
Talks of the recent involvement of the IRS regarding 403 (B) Plans. Gives guidelines for the employer to follow.
Ducksters
Ducksters: Physics for Kids: Ohm's Law
Kids learn about Ohm's law in the science of electricity and physics including current, resistance, voltage, example problems, and V=IR.
ClassFlow
Class Flow: Little House on the Prairie
[Free Registration/Login Required] Teachers can use this flipchart while reading a portion of Little House on the Prairie from the third grade Scholastic Literacy Place series. Skills focus on phonics /ir/ and sequencing events.
Other
Fool.com: All About Ir as Introduction
A very complete source of information regarding IRAs. Links that tell about IRAs, give calculations, and prepare you for retirement are included.
Environmental Chemistry
Environmental chemistry.com: Periodic Table Iridium
Chances are, if you need to know anything about iridium, this site will have it. Exceptionally thorough.
Internal Revenue Service
Internal Revenue Service: Frequently Asked Questions and Answers
Hundreds of questions about taxes are answered here. FAQs are sorted by category, subcategory, and keyword.
Curated OER
Unesco: Netherlands: ir.d.f. Woudagemaal (d.f. Wouda Steam Pumping Station)
The Wouda Pumping Station at Lemmer in the province of Friesland opened in 1920. It is the largest steam-pumping station ever built and is still in operation. It represents the high point of the contribution made by Netherlands engineers...
Starfall
Starfall: Make a Word: Control R
There are three levels in this interactive word game. Match the initial and final sounds to create a word to name the picture. ER words: herd, fern; IR words: bird, girl; UR words: curl, surf.
Starfall
Starfall: Learn to Read: Surfer Girl
Surfer Girl is an interactive story that allows you to practice reading words with the er, ur, and ir sounds.
Other
Forbes: Migration Map
Enter a county or major city to see the inbound and outbound migration data. This map visualizes migration data from the years 2005-2010 that the IRS has collected. In order to preserve privacy, the IRS only includes moves that more than...
Other
Illinois State University: French Literary Tenses
A concise explanation of the French literary tenses with examples and comparisons to spoken language. Has sample conjugations of auxiliary verbs as well as er, ir, re verbs.
Other
La Conjugacion De Verbos en Espanol
Get verb conjugation help here with multiple "AR, ER and IR" verbs to work with. Use the site to learn how each of these verbs are conjugated in different tenses.
Other
Invest Faq: Retirement Plans:401(k)
Has facts about 401 (K) Plans. Gives advantages and disadvantages. Discusses taxes and the IRS. Also includes links to helpful resources.
Other
Web Mineral/iridium
Very good basic chemical and physical data summary of iridium, as well as a listing (with links to more info and photos) of minerals containing the metal iridium.
English Verse
English Verse: S Ir John Suckling (1609 1642)
Cavalier poet Sir John Suckling is profiled at this site, with the full text to four of his poems provided as well.
Languages Online
Languages Online: El Imperfecto
A great explanation of the imperfect tense introduces thirteen multiple choice, matching, and gap-fill exercises that provide plenty of practice with regular and irregular conjugations. The "vosotros" form is also used. A great way for...
Florida-Spectrum Environmental Services
Florida Spectrum: Chemical Fact Sheet: Iridium
A summary of the basic properties and uses of iridium, as well as a few random facts about it.
Other
Web ref.org: Iridium
A student friendly site with basic information (and links to definitions or examples of key terms) on iridium. Good job on uses.
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