Classroom Resources: Quantitative Chemistry

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Accuracy, Measurements, Significant Figures, Accuracy, Error Analysis, Error Analysis | High School, Middle 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 chemistry-based 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 | High School, Middle School

Activity: Dimensional Analysis with Notecards

In this activity, students will practice dimensional analysis using pre-made 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 | High School, Middle 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**
Accuracy, Measurements, Significant Figures, SI Units

Simulation: 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.
Gas Laws, Stoichiometry, Mole Concept | High School

Lab: Investigating the Self-Inflating Balloon

In this lab, students will investigate the chemical reaction used in the self-inflating balloon. They will apply their knowledge of gas laws and stoichiometry in order to determine the quantities of reactants used to inflate the balloon.
Dimensional Analysis, Measurements | High School, Middle 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 | High School, Middle 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 | High School, Middle 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.
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 | Middle School, Elementary 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.
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 | High School, Middle 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.
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.
Observations, History, Conservation of Mass, Measurements, SI Units | High School, Middle School

Activity: Lavoisier Video Questions

In this activity, students will watch a video about Antoine Lavoisier, who many consider to be the father of modern chemistry. They will answer questions as they learn about oxygen, hydrogen, and the first proposal of the Law of the Conservation of Mass.
History, Mole Concept, Measurements | High School

Activity: Avogadro Video Questions

In this activity, students will watch a video about Amedeo Avogadro and answer related questions. They will learn that he is the scientist given credit for the mole concept and that he also made several other discoveries in chemistry.
Physical Properties, History, Measurements, Temperature, SI Units, Accuracy | High School, Middle School, Elementary School

Activity: Temperature Guys Video Questions

In this activity, students will watch a video and answer questions about how both the thermometer and the concept of temperature evolved over time