26 – 50 of 133 Classroom Resources

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  Hess's Law, Calorimetry, Heat, Enthalpy, Error Analysis | High School

  Lab: Utilizing Hess's Law Mark as Favorite (43 Favorites)

  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.

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  Atomic Radius, Scientific Notation, Measurements | Middle School, High School

  Activity: Powers of 10 - How Small Is an Atom? Mark as Favorite (25 Favorites)

  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.

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  Percent Composition, Ideal Gas | High School

  Lesson Plan: Investigating Popcorn with the Ideal Gas Law Mark as Favorite (34 Favorites)

  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.

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  Introduction, Interdisciplinary, Experimental Design, Dimensional Analysis | High School

  Project: Food Chemistry Infographic Mark as Favorite (27 Favorites)

  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.

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  Molecular Structure, Intermolecular Forces, Measurements, SI Units | High School

  Activity: Designing an Effective Respiratory Cloth Mask Mark as Favorite (62 Favorites)

  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 SARS-CoV-2, the coronavirus that causes COVID-19.

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  Measurements, Error Analysis, Accuracy, Accuracy, Significant Figures, Error Analysis | Middle School, High School

  Lab: Accuracy, Precision, and Error in Measurements Mark as Favorite (31 Favorites)

  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.

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  Measurements, Scientific Notation, Significant Figures, Subatomic Particles | High School

  Activity: Quantitatively Puzzling Mark as Favorite (39 Favorites)

  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.

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  Dimensional Analysis, Measurements | Middle School, High School

  Activity: Dimensional Analysis with Notecards Mark as Favorite (51 Favorites)

  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.

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  Mole Concept, History, Periodic Table | High School

  Activity: The Mole Crossword Puzzle Mark as Favorite (32 Favorites)

  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.

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  Measurements, Dimensional Analysis | Middle School, High School

  Animation: Measurement Animation Mark as Favorite (19 Favorites)

  This animation explores 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. This animation was featured in the May 2019 issue of Chemistry Solutions. **This video has no audio**

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  Stoichiometry, Gas Laws, Mole Concept | High School

  Lab: Investigating the Self-Inflating Balloon Mark as Favorite (54 Favorites)

  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.

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  Partial Pressure, Gas Laws, Ideal Gas, Molar Mass, Pressure, Measurements, Error Analysis | High School

  Lab: Determination of the Molar Mass of Butane Mark as Favorite (7 Favorites)

  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.

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  Measurements, Dimensional Analysis | Middle School, High School

  Activity: Animation Activity: Measurement Mark as Favorite (21 Favorites)

  In this activity, students will view an animation that explores 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.

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  Significant Figures, Measurements, SI Units | High School

  Activity: Investigating Significant Figures through Inquiry Mark as Favorite (59 Favorites)

  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.

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  Measurements, Dimensional Analysis, Chemical Properties, Physical Properties, Chemical Change, Physical Change, Matter, Observations, Mixtures | Middle School, High School

  Activity: Cupcake Conversions, Bench to Bakery Mark as Favorite (53 Favorites)

  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.

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  Measurements, Dimensional Analysis, Physical Change, Matter, Mixtures | Middle School, High School

  Activity: Cooking with Conversions Mark as Favorite (49 Favorites)

  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.

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  Measurements, Dimensional Analysis | High School

  Activity: Unit Conversions and Scaling Up Mark as Favorite (21 Favorites)

  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.

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  Stoichiometry, Dimensional Analysis, Mole Concept | High School

  Activity: A Stoichiometry Puzzle Mark as Favorite (131 Favorites)

  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.

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  Stoichiometry, Balancing Equations, Classification of Reactions, Conservation of Mass, Limiting Reactant, Percent Yield, Dimensional Analysis | High School

  Lesson Plan: Stoichiometry Unit Plan Mark as Favorite (119 Favorites)

  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.

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  Percent Composition, Molecular Formula, Percent Composition, Mole Concept | High School

  Activity: Mystery Gang Empirical Formulae Mark as Favorite (191 Favorites)

  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.

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  Percent Composition, Mole Concept, Identifying an Unknown, Emission Spectrum, Empirical Formula, Percent Composition | High School

  Lesson Plan: Chemical Analysis of Martian Rocks Mark as Favorite (109 Favorites)

  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.

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  Mole Concept, Dimensional Analysis, Molar Mass, Molecular Formula | High School

  Activity: Calculating Moles in Daily Life Mark as Favorite (156 Favorites)

  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.

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  Dimensional Analysis, Measurements, Scientific Notation, Significant Figures | High School

  Activity: Chemistry is Out of This World Mark as Favorite (66 Favorites)

  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.

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  Dimensional Analysis, Measurements, Review | Middle School, High School

  Activity: Dimensional Analysis Show Down Mark as Favorite (94 Favorites)

  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.

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  Introduction, Lab Safety, Chemical Properties, Physical Properties, Chemical Change, Physical Change, History, Separating Mixtures, Measurements, SI Units, Significant Figures | High School

  Lesson Plan: Chemistry Basics Unit Plan Mark as Favorite (109 Favorites)

  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.