Classroom Resources: Quantitative Chemistry

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Dimensional Analysis, Measurements | High School, Middle School

Animation: 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: POGIL for Significant Figures

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, Mixture, Chemical Properties | 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, Mixture | 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.
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.
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 | 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
Conservation of Mass, Measurements | High School, Middle School

Lab: Mass of a Gas

In this lab, students will perform a simple chemical reaction in a closed system to produce a small amount of gas. They will collect mass measurements for the reactants and the products in order to demonstrate the conservation of mass during the reaction. They will also release the produced gas from the closed system in order to verify that gasses have mass.
Observations, Density, Measurements | High School, Middle School

Lab: Penny Boats

In this lab, students will explore Archimedes’ Principle and how it relates to density. Each student will be given a piece of aluminum foil and asked to design and build a boat that will hold as many pennies as possible without sinking when placed in water.
Density, Identifying an Unknown, Mole Concept, Dimensional Analysis, Measurements, Molar Mass | High School

Lab: Chemistry Composition Challenge

In this inquiry based lab, students will design a method to solve three chemistry problems involving moles, molecules, and density.
Accuracy, Measurements, Significant Figures, SI Units | High School, Middle School

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.
Stoichiometry, Mole Concept, Dimensional Analysis | High School

Lesson Plan: Map It Out!

In this lesson, students should be able to use a graphic organizer to help them solve stoichiometry problems. This lesson utilizes the Cornell note format.
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, Measurements | High School

Lab: Can it Float?

In this lab, students will investigate the relationships between mass, volume, density and buoyancy in common objects. Students will be tasked with determining the volume of a variety of objects as well as interpreting the meaning of their buoyancy in water.