Classroom Resources: Quantitative Chemistry
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Percent Composition, Concentration  Middle School, High School
Lab: Homemade Hydrometers
In this lesson, students will engineer simple hydrometers from straws and clay to learn about standard solutions, calibration, and instrument drift. They will use their hydrometers to test the salinity of samples of natural water.

Mole Concept, SI Units  High School
Activity: Mole Mischief Puzzle
In this activity, students will analyze a collection of clues and attempt to determine the correct word that corresponds to each one. As a connection to chemistry, each of the answers contain the unit “mol” within the word.

Separating Mixtures, Density, Physical Properties, Chemical Change, Phase Changes, Introduction, Elements, Physical Change, History, Lab Safety, Molecular Motion, Accuracy, Dimensional Analysis, Measurements, Scientific Notation, Significant Figures, SI Units, Chemical Properties, Mixtures  High School
Lesson Plan: The Chemistry Basics and Measurement Quick Start Unit Plan
This Quick Start Unit Plan includes all the materials that a teacher will need for the first 10 class meetings of the school year. Each day is outlined with teacher notes, and includes slide presentations as well as directions for demonstrations, activities and labs to use. The fundamental topics covered in the 10 days of lessons are: laboratory safety, laboratory equipment, experimental design, classification of matter, chemical properties, physical properties, chemical change, physical change, phase changes, separation techniques, dimensional analysis, unit conversions, factor label method, accuracy, precision, significant figures, and percent error calculations. This Quick Start Unit plan aims to help students to build a foundation of understanding, and master important topics before moving deeper into the chemistry curriculum.

Molecular Formula, Molecular Structure, Measurements, Significant Figures, Molecular Structure , Saturated vs. Unsaturated  Middle School, High School
Project: Discovering Chemical Elements in Food
In this project, students will analyze nutrition labels of some of the foods and drinks that they recently consumed. They will identify which type of macromolecule (carbohydrates, lipids, proteins) is mainly supplied by the item and they will compare their consumption with the daily recommended intake for that type of macromolecule. Students will also investigate salt and added sugar as well as vitamins and minerals in the item. Finally, students will present their findings through short, spoken messages that are recorded and presented through a QR code. These can become a source of information for the school community at large upon completion of the project.

Measurements, Volume  Elementary School
Activity: Understanding Volume Measurements
In this activity, students will use base tencentimeter blocks to fill containers in order to understand the concept of volume. Through discussion and review of the data, the teacher will lead them to discover the formula for determining volume.

Measurements, Scientific Notation  Middle School
Activity: Scientific Notation Practice
In this activity, students will learn about the importance of scientific notation to the science community. Through guided practice problems, students will be introduced to scientific notation and learn how to convert values into scientific notation.

Concentration, Molarity, Measurements, Significant Figures, Beer's Law  High School
Lab: Investigating Shades of Blue
In this lab investigation, students will create a copper(II) nitrate solution. Each group will be given a different measurement device in order to see how the accuracy of the preparation of the solution is affected by the limitations of the measurement device. The goal is for students to have a true understanding of why significant figures are important.

Accuracy, Dimensional Analysis, Measurements, Significant Figures, SI Units  Middle School, High School
Activity: Measurement Tools, Significant Figures and Conversions
In this activity, students will complete several handson measurements, using a variety of common measuring tools. They will carefully consider how to properly report each measurement based on the tool used. Students will then complete measurement conversions, and apply their knowledge of significant figures.

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.

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, 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.

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.

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.

Density, Identifying an Unknown, Measurements, Scientific Notation, Error Analysis  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.

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.