Classroom Resources: Quantitative Chemistry
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Atomic Radius, Scientific Notation, Measurements  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.

Measurements, SI Units  Middle School
Activity: Jumping the Metric System
In this activity, students will become more familiar with using the metric system to convert units of measurement. Students then will then be challenged to redesign a school cafeteria tray using their understanding of metric system and unit conversion.

Introduction, Interdisciplinary, Experimental Design, Dimensional Analysis  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.

Measurements, SI Units  Middle School
Lesson Plan: Masters of Measurement
In this lesson, students will review the characteristics of metric measurement, and practice using measurement tools. They will then take on the role of an intern on the Zombie Prevention Task Force and use their measurement skills to develop a vaccine in an escape room activity.

Molecular Structure, Intermolecular Forces, 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.

Measurements, Error Analysis, Scientific Notation, Density, Identifying an Unknown  Middle School
Lab: A Chemistry Calculation Challenge
Students will apply their knowledge to solve four challenging chemistrybased calculation problems involving mass, volume, density, and number of molecules.

Measurements, Error Analysis, Accuracy, Accuracy, Significant Figures, 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.

Mole Concept, History, Periodic Table  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.

Measurements, Dimensional Analysis  Middle School, High School
Animation: Measurement Animation
This animation explores 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. This animation was featured in the May 2019 issue of Chemistry Solutions. **This video has no audio**

Stoichiometry, Gas Laws, 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.

Partial Pressure, Gas Laws, Ideal Gas, Molar Mass, Pressure, Measurements, 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.

Measurements, Dimensional Analysis  Middle School, High School
Activity: Animation Activity: Measurement
In this activity, students will view an animation that explores 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.

Significant Figures, Measurements, 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.

Measurements, Dimensional Analysis, Chemical Properties, Physical Properties, Chemical Change, Physical Change, Matter, Observations, 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.

Measurements, Dimensional Analysis, Physical Change, 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.

Measurements, Dimensional Analysis  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, Dimensional Analysis, Mole Concept  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.

Stoichiometry, Balancing Equations, Classification of Reactions, Conservation of Mass, Limiting Reactant, Percent Yield, 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.

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.

Density, Measurements  Elementary School
Demonstration: Sinking Soda
In this teacher led demonstration, students will compare their observations when unopened cans of diet and regular soda are placed in a large container of water. They will use their observations to help differentiate between several fundamental chemistry concepts: mass, volume, and density.

Density, Identifying an Unknown, Measurements  Elementary School, Middle School
Demonstration: Household Densities
In this demonstration, students will make predictions about various household materials and whether or not each will sink or float when placed in water. Data will be collected and then used to calculate the density value of each item. Finally students will analyze the relationship between the density value and the observed outcome, and use their knowledge to identify unknown materials.

Percent Composition, Mole Concept, Identifying an Unknown, Emission Spectrum, Empirical Formula, Percent Composition  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.