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360Science™: The Redox Chemistry of Iron

By: The Flinn Scientific Staff

360Science™ blends the best of student-engaging digital content with easily adaptable hands-on labs to offer your students a uniquely comprehensive learning experience.

In this lab experience, students investigate the reactions of Fe2+ and Fe3+ ions by adding various complex ions to solutions of iron(III) chloride. They also observe the formation of the beautifully colored Prussian blue precipitate or of the deep blood red complex. Editable, differentiated instructions range from a time-sensitive prescriptive lab to full open inquiry, and robust online videos and content—including a virtual reality (VR) simulation—help students prepare for and better understand the labs they’re conducting.

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Product Details

360Science™: The Redox Chemistry of Iron
 Complex ions, oxidation numbers, oxidation–reduction, transition metals, reduction potentials
Outcomes: Iron exists in the body in two forms—iron(II), Fe2+, and iron(III), Fe3+, ions. Both forms of iron are important in the absorption, storage, and utilization of iron by the body. It is easy to distinguish between solutions of iron(II) and iron(III) ions by performing redox reactions between the two oxidation states. A deep blue (Prussian blue) precipitate results when either complex ion combines with iron in a different oxidation state from that present in the complex. This provides a means of identifying either iron ion. The thiocyanate ion, SCN, provides an excellent confirming test for the Fe3+ ion. The water soluble, blood red complex is formed from the Fe3+ ion, while no complex is formed with the Fe2+ ion.
Associated Phenomena: Batteries 

Our 1-year option provides access to all digital content for one year plus lab supplies for a single class of 30 students. Our 3-year option extends access to digital content to three years, with a 30% discount on refill supply kits years 2 and 3.

What is Flinn 360Science™?
We’re introducing a whole new way to teach experiential science! We’ve taken a hard look at science study from all perspectives and, thanks to the feedback of thousands of teachers nationwide, we’ve created a way to make it easier to provide personalized instruction while delivering the kind of lab experiences your students truly need.

Our new and comprehensive learning solutions are designed to bring science to life by giving you all the tools you need to incorporate more (and effective) hands-on learning in your classroom or lab. 360Science allows you to provide your students with the support they need to make real-world connections to key scientific principles and help make those abstract concepts concrete.

Every 360Science lab solves the most common challenges educators face in bringing more hands-on science to their students—from not having enough time to matching the right level of challenge for students’ abilities to providing appropriate background content, safety techniques, assessments and more.

Enable student-driven, blended learning through a unique combination of leveled lab instructions supporting prescriptive, guided- and open-inquiry lab exercises (see PDF resource for specific details) with robust digital content, such as videos and carefully curated Open Educational Resources (OER)—along with virtual reality and simulation exercises. From editable, digital instructions to assessments and alignment with Next Generation Science Standards (NGSS), we have everything you need to improve mastery, remove the intimidation factor and foster your students’ natural curiosity.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Analyzing and interpreting data
Developing and using models

Disciplinary Core Ideas

HS.PS1.A: Structure and Properties of Matter
HS.PS1.B: Chemical Reactions

Crosscutting Concepts

Systems and System Models
Structure and Function

Performance Expectations

HS-PS1-2: Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.