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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 explore the rate of enzyme-catalyzed reactions by measuring the absorbance or color intensity of the orange product formed from guaiacol and hydrogen peroxide as a function of time for three different concentrations of turnip peroxidase. Students experiment with various temperatures to test the effect on enzyme efficacy. 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.
This item can only be shipped to schools, museums and science centers
360Science™: Peroxidase Enzyme Activity
Concepts: Enzyme structure and function, kinetics and rate laws, enzyme−substrate binding
Outcomes: Students will observe varying enzyme-catalyzed reaction rates using peroxidase extract from turnips or other foods, hydrogen peroxide and guaiacol. Students will learn that environmental conditions can impact catabolic reaction rates.
Associated Phenomena: Curing Disease
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.
Materials Included in Kit:
Buffer envelopes, pH 3−6, and 8, 1 each
Guaiacol, C7H8O2, 0.2% solution in isopropyl alcohol, 100 mL
Hydrogen peroxide, H2O2, 3%, 100 mL
Sodium phosphate, dibasic, solution, Na2HPO4, 0.2 M, 300 mL
Sodium phosphate, monobasic, solution, NaH2PO4, 0.2 M, 300 mL
Pipets, serological, 2-mL, 5
HS-LS1-2: Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.
HS-LS1-3: Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.