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What do you know about acids and bases coming into this class?

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Access Google Forms with a personal Google account or Google Workspace account (for business use).

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This toolkit offers a variety of diagnostic, formative, and summative assessment tools for Nova Scotia's Grade 12 Chemistry Curriculum. Padlet was used to offer a visual representation of the Acids and Bases unit and its six subcategories. A colour code palette was used to differentiate among the different units and types of assessments (see the format below this entry). Unlike the lengthy and wordy syllabus, this graphical tool allows educators to visualize the class organization at a quick glance, where most 'pads' are hyperlinked directly to additional assessment tools and resources.

The diagnostic tools aim to gauge prior knowledge of specific concepts in this unit that will allow the educator to adjust their lessons accordingly. Students will have the opportunity to assess their background knowledge through interactive simulations, quizzes, forms, and discussions through Padlet.

A few traditional formative assessment tools are included in this toolkit such as quizzes and worksheets. There are also more engaging formative assessments including online and in-person lab experiments that students will be guided through with a detailed procedure. Students will practice their lab techniques and ability to apply theory learned in class to real-life examples through the online and in-person lab experiments.

The two summative assessments will assess student understanding of multiple outcomes after the concepts were scaffolded through lessons, diagnostic, and formative assessments up to that point. These larger assessments will allow students to demonstrate their learning through a Google Forms assignment and titration lab experiment.

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PROPERTIES AND DEFINITIONS OF ACIDS AND BASES

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PROPERTIES AND DEFINITIONS OF ACIDS AND BASES

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USING THE EQUILIBRIUM CONCEPT WITH ACIDS AND BASES

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USING THE EQUILIBRIUM CONCEPT WITH ACIDS AND BASES

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How do acids and bases react? Why? You will learn all about this in this unit :)

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This Padlet will get you to think about what you already know about the concept of equilibrium in a chemistry context, the difference between strong and weak acids/bases, and self-ionization of water.

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Quizizz on various acid/base definitions

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Quizizz on various acid/base definitions

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After covering all the different definitions of acids and bases, students can complete this quizizz to check their understanding. Quizizz allows you to assign quizzes through Google Classroom and track student progress.

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5g. Arrhenius and Brønsted-Lowry | 542 plays | Quizizz

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5g. Arrhenius and Brønsted-Lowry quiz for 10th grade students. Find other quizzes for Chemistry and more on Quizizz for free!

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Students can practice predicting the products of neutralization reactions with this worksheet (answer key included).

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Online Activity: Acid-Base Solutions PhET Simulator

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Online Activity: Acid-Base Solutions PhET Simulator

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Using the PhET simulator called Acid-Base Solutions, students will explore the differences between strong and weak acids/bases through a guided worksheet.

PhET simulator: https://phet.colorado.edu/sims/html/acid-base-solutions/latest/acid-base-solutions_all.html

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Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.

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The students will complete a titration experiment. Direction for the experiment and the titration experiment rubric can be found on the linked google doc part of this Padlet. The Google Doc lab report, the digital methodology presentation and google forms will be the tools used to assess the students during the titration experiment.

Students will also be provided with exemplars of a lab report, which outlines; poor, good, and excellent lab reports.

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Litmus is a water-soluble mixture of different dyes extracted from lichens. It is often absorbed onto filter paper to produce one of the oldest forms of pH indicator, used to test materials for acidity. In an acidic medium, blue litmus paper turns red, while in a basic or alkaline medium, red litmus paper turns blue. Neutral litmus paper is purple. In short, it is a dye and indicator which is used to place substances on a pH scale. From: https://en.wikipedia.org/wiki/Litmus

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Wordwall - Create better lessons quicker

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What substances would change litmus paper to this color?

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Group sort - Drag and drop each item into its correct group.

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This lab activity will allow students to test various known solutions that range from acidic to basic using methods. Students will then apply their knowledge of indicators to determine the identity of 4 unknown solutions.

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This online lab lets students practice the procedure of a titration lab before doing an in-person lab. Students will get an idea of what to expect during a titration experiment and will learn important details about proper techniques in the lab.

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Titration level 1 Titration level 2 Titration level 3 Titration level 4

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Summative Assessment: Acid / Base Stoichiometry

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Summative Assessment: Acid / Base Stoichiometry

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Students will not have a traditional test on acid and base stoichiometry, instead the focus will be on Mastery Grading, which means the students must demonstrate there ability to problem solve and complete acid and base stoichiometric calculations. Each student will be given a set of questions in Google Forms, similar to the one attached to this Padlet. The student will not be able to move on to each of the questions until they can get the right answers for all the problems and they upload their work digitally to the google form. If they are struggling with a problem, they will go to a peer or the teacher for assistance in solving the problem. Once the students have successfully completed each problem and their work has been verified by the teacher they will receive full marks and a complete for acid and base stoichiometry.

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Google Forms - create and analyze surveys, for free.

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These are the specific curriculum outcomes that the assessments are based one.

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Use our titration calculator to determine the molarity of your solution.

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Titration introduction (video) | Titrations | Khan Academy

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Titration is a procedure for determining the concentration of a solution. And so let's say we're starting with an acidic solution. So in here let's say we have some hydrochloric acid. So we have come HCl. And we know the volume of HCL, let's say we're starting with 20.0 milliliters of HCl.

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What happens when acids and bases are mixed together? What variables determine the final outcome? Concentration? Volume? Nature of the acids and bases? Using the following simulator, first PREDICT what you expect and then play around with the apps. Enjoy :)Make a few predictions using the following statement, and then see what happens:

1. When I mix X molecules of Y, with Z molecules of X, I expect the final solution to be (acid/basic/neutral)