Classroom Resources: Quantitative Chemistry
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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.

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.

Separating Mixtures, Physical Properties, Chemical Change, Introduction, Physical Change, History, Lab Safety, Measurements, Significant Figures, SI Units, Chemical Properties  High School
Lesson Plan: Chemistry Basics Unit Plan
The AACT High School Classroom Resource library and multimedia collection has everything you need to put together a unit plan for your classroom: lessons, activities, labs, projects, videos, simulations, and animations. We searched through our resource library and constructed a unit plan for introducing the basic chemistry concepts to students: Laboratory Safety, Equipment, and Reports, Periodic Table Basics, Physical and Chemical Properties and Changes, Endothermic and Exothermic Changes, and Classification of Matter. These topics are very important for your students to master before they dig into other chemistry concepts. This unit is designed to be used at beginning of the school year.

Accuracy, Measurements, Significant Figures, SI Units  High School, Middle School
Activity: Simulation Activity: Measuring Volume
In this simulation, students will participate in a 10 question quiz. The quiz questions are each made of two parts, with the first part requiring the student to analyze an image of a graduated cylinder in order to report an accurate measurement. Students must use the correct number of digits based on the markings presented on the cylinder when reporting the measurement. In the second portion of the question the students will determine the uncertainty value of the graduated cylinder, again by analyzing its markings. The simulation is made up of several different sizes of graduated cylinders, each containing unique markings, so students will be challenged to analyze each individually.

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.

Density, Accuracy, Measurements, Significant Figures, Accuracy, Error Analysis, Error Analysis  High School, Middle School
Lab: Significant Figures and Lab Data
In this lesson, students will use laboratory equipment of different precision to collect data for several different metals, and then use the data to calculate the density of each. They will then compare their calculated densities to accepted values and determine the combination of equipment that leads to the most accurate calculation of density.

Density, Physical Properties, Measurements, Significant Figures, Scientific Method, Graphing, Error Analysis, Experimental Design, Error Analysis  High School
Lab: Investigating the Density of an Irregular Solid Object
In this lab, students will use common laboratory equipment to devise a method to measure the density of several irregular objects. They will then create a formal laboratory report using both their own data and data from the entire class.

Molecular Formula, Mole Concept, Dimensional Analysis, Measurements, Scientific Notation, Molar Mass, Significant Figures  High School
Activity: Can You Color A Mole?
In this activity, students determine how many moles of paraffin are used when they color a piece of paper as well as how many molecules and moles of wax are in one crayon.

Interdisciplinary, Dimensional Analysis, Measurements, Significant Figures, Accuracy, Error Analysis  High School
Lab: Nanoscale and SelfAssembly
In this lab, students determine both the diameter of one single BB and the length of an oleic acid molecule.

Density, Introduction, Interdisciplinary, Accuracy, Dimensional Analysis, Measurements, Scientific Notation, Significant Figures, Accuracy, Error Analysis, Error Analysis  High School
Lab: Math and Measurement
In this lab, students will practice introductory math skills that will be used in chemistry all year. This includes metric conversion, significant figures, scientific notation, dimensional analysis, density, percent error, accuracy and precision, as well as using lab equipment.