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Lemonade Lab - Introduction to Green Chemistry Principles

Lemonade Lab - Introduction to Green Chemistry Principles
HS Chemistry and Physics Teacher | Catskill Senior High School
This lesson is for use as part of an introduction to high school chemistry lab. Teachers need to have information on the 12 Principles of Green Chemistry and how to use them to evaluate a lab procedure. They are attached in the appendix to this lab activity. This lesson will be set up as both an at home (remote learning) and in class lab activity taking into account social distancing.

This resource is an adaptation of the Beyond Benign resource linked in Related Learning Objects below.
Learning Objets

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Moderation state
Object Type
Laboratory experiment
High School (Secondary School)
Published on
Green Chemistry Principles
Waste Prevention
Atom Economy
Less Hazardous Chemical Syntheses
Designing Safer Chemicals
Safer Solvents and Auxiliaries
Design for Energy Efficiency
Use of Renewable Feedstocks
Reduce Derivatives
Design for Degradation
Real-Time Pollution Prevention
Safer Chemistry for Accident Prevention
NGSS Standards, if applicable
New York State Science Learning Standards
HS-PS1-3: Plan and conduct an investigation to gather evidence to compare the structure of substances at the bulk scale to infer the strength of electrical forces between particles. (Patterns)

“Students should have opportunities to plan and carry out several different kinds of investigations during their K-12 years. At all levels, they should engage in investigations that range from those structured by the teacher—in order to expose an issue or question that they would be unlikely to explore on their own (e.g., measuring specific properties of materials)—to those that emerge from students’ own questions.” (NRC Framework, 2012, p. 61)

HS-PS1-5: Apply scientific principles and evidence to provide an explanation about the effects of changing the temperature or concentration of the reacting particles on the rate at which a reaction occurs. (Patterns)

“In engineering, the goal is a design rather than an explanation. The process of developing a design is iterative and systematic, as is the process of developing an explanation or a theory in science. Engineers’ activities, however, have elements that are distinct from those of scientists. These elements include specifying constraints and criteria for desired qualities of the solution, developing a design plan, producing and testing models or prototypes, selecting among alternative design features to optimize the achievement of design criteria, and refining design ideas based on the performance of a prototype or simulation.” (NRC Framework, 2012, p. 68-69)
Learning Goals/Student Objectives
Educational Goals:
● To understand the 12 Principles of Green Chemistry
● To understand what a chemical reaction is
● To understand how to use a procedure to complete a chemical reaction

Student Objectives: Students will
● Use measurement to follow a recipe
● Produce lemonade following a recipe
● Think critically about a procedure and determine how to improve upon it.
Time required (if applicable)
3- 42 minute periods or 3 days

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Safety Precautions, Hazards, and Risk Assessment
Safety Information: If in the classroom, students will be required to wear their safety glasses as we make this a requirement for all labs no matter what we are using. None of the lab materials used are hazardous.

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