Classroom Resources: Quantitative Chemistry
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Gas Laws, Pressure, Measurements, Molar Mass, Ideal Gas, Partial Pressure, Error Analysis  High School
Lab: Molar Mass of Butane
In this lab, students will experimentally determine the molar mass of butane using Dalton’s law and the ideal gas law. They will also calculate the percent error and explain possible sources of error.

Calorimetry, Heat, Hess's Law, Enthalpy, Error Analysis  High School
Lab: Utilizing Hess's Law
In this lab, students will use a coffee cup calorimeter to collect data that will allow them to calculate ∆H for two reactions. The first reaction, between sodium bicarbonate and hydrochloric acid is endothermic. The second, between sodium carbonate and hydrochloric pressure, is exothermic. They will then use their experimental values and Hess’s Law to determine ∆H for the decomposition of sodium bicarbonate, compare their calculated value to the theoretical value, and calculate the percent error. This resource includes a prelab presentation and sample calculations.

Measurements, Scientific Notation, Atomic Radius  Middle School, High School
Activity: Powers of 10  How Small Is an Atom?
In this activity, students will use an online interactive to investigate the size of an atom, and compare the size of the atom to other objects using scientific notation.

Percent Composition, Ideal Gas  High School
Lesson Plan: Investigating Popcorn with the Ideal Gas Law
In this lab, students will collect data to determine the pressure inside a popcorn kernel when it pops using the Ideal Gas Law. They will also calculate the percentage of water present in the average popcorn kernel. This resource includes two versions of the student activity, traditional and inquiry.

Introduction, Interdisciplinary, Dimensional Analysis, Experimental Design  High School
Project: Food Chemistry Infographic
In this project, students will research the chemical content and nutritional value of their favorite holiday foods, presenting their findings in an infographic. They will also include a recipe, which they will convert to metric units to practice dimensional analysis. As an extension to explore experimental design, they could alter one aspect of the recipe and observe how that change affects the final product.

Intermolecular Forces, Molecular Structure, Measurements, SI Units  High School
Activity: Designing an Effective Respiratory Cloth Mask
In this activity students will use unit conversion to help compare sizes of molecules, viruses, and droplets and then use them to interpret graphical data. They will then use their findings to design a cloth mask that helps protect its wearer against infection by SARSCoV2, the coronavirus that causes COVID19.

Accuracy, Measurements, Significant Figures, Accuracy, Error Analysis, Error Analysis  Middle School, High School
Lab: Accuracy, Precision, and Error in Measurements
In this lab, students make measurements of length and width using four measuring tools. They will measure the same object using measuring sticks of different precision. They will observe that the exactness of a measurement is limited by the precision of the measuring instrument.

Measurements, Scientific Notation, Significant Figures, Subatomic Particles  High School
Activity: Quantitatively Puzzling
In this activity, students will analyze sixteen chemistrybased clues and use the numbers, zero through fifteen as possible answer choices for each one. The clues cover content related to measurement, scientific notation, significant digits, atomic structure and the periodic table.

Dimensional Analysis, Measurements  Middle School, High School
Activity: Dimensional Analysis with Notecards
In this activity, students will practice dimensional analysis using premade conversion factors on notecards to demonstrate the importance of canceling units to solve problems.

History, Periodic Table, Mole Concept  High School
Activity: The Mole Crossword Puzzle
In this activity, students will be challenged with clues that are related to the concept of the mole in order to complete a crossword puzzle.

Dimensional Analysis, Measurements  Middle School, High School
Animation: Measurement Animation
In this animation, students review the fundamentals of measurement in length, mass, and volume. The animation also provides opportunities for students to practice unit conversions to confirm their understanding. **This video has no audio**

Gas Laws, Stoichiometry, Mole Concept  High School
Lab: Investigating the SelfInflating Balloon
In this lab, students will investigate the chemical reaction used in the selfinflating balloon. They will apply their knowledge of gas laws and stoichiometry in order to determine the quantities of reactants used to inflate the balloon.

Gas Laws, Pressure, Measurements, Molar Mass, Ideal Gas, Partial Pressure, Error Analysis  High School
Lab: Determination of the Molar Mass of Butane
In this lab, students will experimentally determine the molar mass of a gas, specifically butane (C4H10), by collection over water. This experiment is an inquiry based experiment for 2nd year chemistry or AP chemistry students who have previously collected an insoluble gas.

Dimensional Analysis, Measurements  Middle School, High School
Activity: Animation Activity: Measurement
In this animation, students will become familiar with three forms of measurement, including length, mass and volume. Various units of measurement will be presented for comparison, and several conversion calculations will be demonstrated using dimensional analysis.

Measurements, Significant Figures, SI Units  High School
Activity: Investigating Significant Figures through Inquiry
In this activity, students will develop an understanding of why significant figures are important in chemistry and learn how to determine the number of significant figures in a measurement.

Observations, Physical Properties, Chemical Change, Physical Change, Dimensional Analysis, Measurements, Matter, Chemical Properties, Mixtures  Middle School, High School
Activity: Cupcake Conversions, Bench to Bakery
This activity will help to reinforce the importance of scientific measurement and apply it to the introduction of chemical reactions. Using an example of baking a single batch of cupcakes, students will plan for a larger production scale in a commercial bakery. This will help to introduce the idea of producing a reaction at the lab bench and converting it to mass production. In addition this activity investigates how chemistry is used in everyday life and challenges students to consider potentials errors that may occur when completing chemical reactions in the kitchen.

Physical Change, Dimensional Analysis, Measurements, Matter, Mixtures  Middle School, High School
Activity: Cooking with Conversions
In this activity, students will be given a common homemade recipe for German chocolate cake with measurements in English units. They will be asked to convert the English ingredients list to metric units through scientific calculations. Students will also be asked to identify the ingredients as solid, liquid or gas. While reviewing the cooking procedures, students will classify certain steps as containing compounds or mixtures as well as identify whether chemical or physical changes are taking place. The culinary chemistry involved in this lesson should be introduced throughout the activity.

Dimensional Analysis, Measurements  High School
Activity: Unit Conversions and Scaling Up
In this activity, students will convert between English and metric units in order to scale from research lab (small) scale to manufacturing (large) scale. Students will also apply critical thinking skills in order to analyze data given and evaluate cost effectiveness.

Stoichiometry, Mole Concept, Dimensional Analysis  High School
Activity: A Stoichiometry Puzzle
In this activity, students will develop a better understanding of how to set up a stoichiometry problem using dimensional analysis (factor label method). Students will be able to use their prior knowledge of mole conversions and chemical reactions.

Percent Composition, Molecular Formula, Percent Composition, Mole Concept  High School
Activity: Mystery Gang Empirical Formulae
In this activity, students will determine empirical formulas for samples of trace evidence collected from various crime scene scenarios. They will use the information to link a criminal to a particular crime scene.

Balancing Equations, Percent Yield, Stoichiometry, Conservation of Mass, Classification of Reactions, Limiting Reactant, Dimensional Analysis  High School
Lesson Plan: Stoichiometry Unit Plan
The AACT high school classroom resource library has everything you need to put together a unit plan for your classroom: lessons, activities, labs, projects, videos, simulations, and animations. We constructed a unit plan using AACT resources that is designed to teach the concepts of stoichiometry and limiting reactants to your students.

Identifying an Unknown, Mole Concept, Percent Composition, Emission Spectrum  High School
Lesson Plan: Chemical Analysis of Martian Rocks
In this lesson, students are challenged to analyze the spectral graphs obtained by the Curiosity Mars Rover. Based on their examination students will determine the component elements of each sample, as well as the relative abundance of each element. With this information the student will complete calculations to find the empirical formula and identify the composition of the unknown rock. Finally students will complete research to see if these rocks are actually like those on Earth.

Molecular Formula, Mole Concept, Dimensional Analysis, Molar Mass  High School
Activity: Calculating Moles in Daily Life
In this activity, students will use dimensional analysis to complete calculations and conversions for the number of moles, atoms, and molecules in several everyday household items using collected data.

Dimensional Analysis, Measurements, Scientific Notation, Significant Figures  High School
Activity: Chemistry is Out of This World
In this activity, students will use data from the NASA Science Solar System Exploration website to practice dimensional analysis calculations. This resource was created for National Chemistry Week (NCW) 2018 theme, Chemistry is Out of This World, which focuses on the chemistry of and in outer space.

Review, Dimensional Analysis, Measurements  Middle School, High School
Activity: Dimensional Analysis Show Down
In this activity students will work cooperatively to solve conversion based problems using dimensional analysis. Students are required to independently determine an answer for each question and be able explain their method of solving with their peers. This activity is designed to allow students to work at their own pace, and for students to take on a teaching role by communicating their understanding with their peers.