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.

  • 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.

  • 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.

  • Percent Composition, Elements, Periodic Table | Middle School

    Activity: The Universe of Elements

    In this activity, students are introduced to the periodic table and its elements. Student will discuss that all material in the Universe is composed of elements and that the atom is the smallest particle that still has the physical and chemical properties of any given element. Students will engage in an activity to determine the percent composition of common elements in the universe, and based on their results they will hypothesize the identity of each element based on its relative abundance.

  • Density, Percent Composition, Accuracy, Dimensional Analysis, Measurements, Scientific Notation, Significant Figures, SI Units | High School

    Lesson Plan: Chemical Measurement 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 for introducing concepts student need to collect and use chemical measurements: Percent Composition, Metric Units, Accuracy and Precision, Percent Error, Density, Scientific Notation, Significant Figures, and Unit Conversion. This unit is designed to be used at beginning of the school year and modified based on student math abilities.

  • Mixtures, Solubility, Percent Composition, Concentration, Solute & Solvent | Middle School

    Lab: The Perfect Kool-Aid Concentration

    In this lab, the students will investigate how the concentration of a solution affects its properties such as color and taste.

  • Percent Composition | Middle School, High School

    Lab: Percent Composition of M&M's

    In this lesson, students explore the idea of percent composition by investigating different varieties of M&M’s.

  • Percent Composition, Percent Composition, Mole Concept, Dimensional Analysis | High School

    Lab: Percent Composition of Bubble Gum

    In this lab, students will be introduced to the concept of percent composition. Students will determine the amount of sweetener in various brands of gum by determining the mass difference of the gum before and after it is chewed.

  • Percent Composition, Measurements | High School

    Lab: Percent Composition

    In this lab, students will calculate the percent composition of sugar in gum and the percent composition of water in popcorn kernels.

  • Percent Composition, Measurements | High School

    Lab: Mineral Investigation

    In this lab, students will put their problem solving skills to work as a team to determine how many specific samples of ore can be made from a lode equivalent to the size of their classroom. This lab is perfect for the start of the school year to engage students in real-life applications of chemistry, as well as essential mathematic and measurement skills.

  • Separating Mixtures, Percent Composition, Interdisciplinary, Measurements, Mixtures | Middle School

    Lab: Metallic Breakfast

    In this lab, students will separate iron filings from iron-fortified breakfast cereals. Students will use the recorded data to conduct percent composition calculations.

  • Percent Composition, Introduction, Percent Composition, Scientific Method | Middle School

    Lab: Mass Percent

    In this lesson, students will develop a theory of how to calculate percent composition.

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