Classroom Resources: Chemistry Basics


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426 – 450 of 454 Classroom Resources

  • Introduction, Accuracy, Measurements, SI Units | High School

    Activity: Mysteriously Melodramatic & Maniacal Metric Measurements

    In this activity, students predict the measurements of objects using metric units. They then take the actual measurements and compare them to their predictions.

  • Observations, Chemical Change, Chemical Change, Acid, Chemical Change | Elementary School

    Lab: My Pennies

    In this lab, students will investigate how an acidic, vinegar based solution can help to get “dirty” pennies clean. Students will observe chemical change and investigate real-world connections to this lab.

  • Density, Mole Concept, Dimensional Analysis | High School

    Lab: Moles of Food

    In this lab, students will analyze the nutrition label of a variety of foods to find the amount of specific elements in each serving. Students are asked to evaluate and compare the data in a series of questions, in order to convert the values to moles. This lab gives students the opportunity to see the connection between the chemistry mole concept and everyday foods.

  • Observations, Density, Temperature, Gas Laws, Density, Pressure, Physical Change, Identifying an Unknown, Molar Mass, Ideal Gas, Volume, Error Analysis | High School

    Lab: Molar Mass of Dry Ice

    In this lab, students will use gas laws to calculate the molar mass of dry ice and then use the information to identify the compound that makes up this substance.

  • Melting Point, Freezing Point, Phase Changes, Molecular Motion, Heat, Temperature, Heating Curve, Graphing | Middle School, High School

    Lesson Plan: Modeling the Melting of Ice

    In this lesson, students will create a particulate model of matter that explains energy changes and transfer during a phase change.

  • Naming Compounds, Elements, Interdisciplinary, Atoms, Molecular Structure, Matter, Chemical Bond | Elementary School

    Lesson Plan: Modeling Molecules

    In this lesson, students explore the structure of matter by designing, building, comparing, and evaluating models of a variety of simple molecules.

  • Observations, Chemical Change, Chemical Change, Reaction Rate, Acid Base Reactions, Limiting Reactant, Chemical Change, Indicators, Le Châtelier's Principle | High School

    Demonstration: Milk of Magnesia Magic

    In this demonstration, students will observe a color change in a milk of magnesia solution as vinegar is added.

  • 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.

  • Observations, Physical Properties, Chemical Change, Inferences, Periodic Table, Identifying an Unknown, Chemical Properties, Error Analysis | High School

    Lab: Metal, Non-Metal, or Metalloid

    In this lab, students will classify several samples of elements as metals, nonmetals, or metalloid based on their physical and chemical properties.

  • Physical Properties, Periodic Table, Identifying an Unknown, Atomic Radius, Ionization Energy, Electronegativity | High School

    Activity: Mendeleev's Periodic Table

    In this activity, students will use their knowledge of Periodic Trends to analyze and identify unknown elements and organize them correctly in the Periodic Table.

  • Periodic Table, Identifying an Unknown | High School

    Activity: Mendeleev's Cards

    In this activity, students learn about periodic trends by organizing cards and then determining the information on a missing card.

  • Temperature, Gas Laws, Pressure, Interdisciplinary, Stoichiometry, Ideal Gas, Volume | High School

    Lesson Plan: Mechanisms and Properties of Airbags

    In this lesson students will learn about the mechanisms and properties of airbags, and examine the choice of airbag inflator from several points of view.

  • Observations, Chemical Change, Conservation of Mass, Conservation of Matter, Balancing Equations, Conservation of Mass, Chemical Change, Matter, Conservation of Matter, Predicting Products, Experimental Design | High School

    Lab: Matter Matters

    In this lesson, students will investigate the Law of Conservation of Mass.

  • 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.

  • 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.

  • Observations, Chemical Change, Physical Change, Conservation of Mass, Conservation of Mass, Chemical Change, Measurements | Middle School, High School

    Lab: Mass & Change

    In this lab, students will use unified particle pictures of solid, liquid, and gas to explain the law of conservation of mass after carrying out various experiments.

  • Introduction, Elements, Periodic Table, Identifying an Unknown | High School

    Activity: Make a Periodic Table

    In this activity students use imaginary elements to create a periodic table based on the known properties of those elements.

  • Physical Properties, Introduction, Interdisciplinary | Elementary School

    Activity: Magnificent Magnets

    In this activity, students will investigate the physical properties of magnetism.

  • Observations, Physical Change, Mixtures | Middle School, High School

    Activity: Magic Bubble

    In this lesson, students will create and interpret particle diagrams that represent elements and compounds at the molecular level. They will also describe the process of dissolving and create particle diagrams that represent mixtures at the molecular level.

  • Observations, Chemical Change, Acids & Bases, Chemical Change, Mixtures | High School, Middle School, Elementary School

    Demonstration: Inflating a Balloon with Chemistry

    In this demonstration, the teacher will perform a reaction between acetic acid (vinegar) and sodium bicarbonate (baking soda) in order to inflate a balloon and to introduce the concept of a chemical reaction to students. Students will observe the reaction, and identify indicators of chemical change as well as discuss the different types of matter that are involved.

  • Observations, Density, Mixtures, Inferences, Mixtures | High School, Middle School

    Demonstration: Density Tubes

    In this demonstration, students will have the opportunity to observe and analyze the density of a solution. Students will interpret their observations as they compare the density of the solution with plastic components.

  • Naming Compounds, Molecular Formula, Periodic Table, Covalent Bonding, Ionic Bonding, Valence Electrons, Subatomic Particles, Lewis Dot Diagrams, Molecular Geometry, Ions, Lewis Structures | Middle School, High School

    Simulation: Ionic & Covalent Bonding

    In the September 2016 simulation, students investigate both ionic and covalent bonding. Students will have the opportunity to interact with many possible combinations of atoms and will be tasked with determining the type of bond and the number of atom needed to form each. Students will become familiar with the molecular formula, as well as the naming system for each type of bond and geometric shape, when applicable.

  • Periodic Table, Atoms, Model of the Atom, Valence Electrons, Subatomic Particles, Atomic Radius, Ionic Radius, Electron Affinity, Electrons, Ions

    Simulation: Periodic Trends II: Electron Affinity, Atomic Radius & Ionic Radius

    The May 2016 simulation is a follow-up to the March 2016 simulation. Students will focus their investigation on the electron affinity of an atom. Through the use of this simulation students will have the opportunity to examine the formation of an anion as well as compare the atomic radius of a neutral atom to the ionic radius of its anion.

  • Periodic Table, Atoms, Model of the Atom, Valence Electrons, Subatomic Particles, Atomic Radius, Ionic Radius, Ionization Energy, Electrons, Ions

    Simulation: Periodic Trends: Ionization Energy, Atomic Radius & Ionic Radius

    In this simulation for the March 2016 issue, students can investigate the periodic trends of atomic radius, ionization energy, and ionic radius. By choosing elements from the periodic table, atoms can be selected for a side by side comparison and analysis. Students can also attempt to ionize an atom by removing its valence electrons. Quantitative data is available for each periodic trend, and can be further examined in a graph.

  • Physical Properties, Interdisciplinary, History, Periodic Table, Review, Culminating Project, Isotopes, Electron Configuration, Atomic Mass, Subatomic Particles, Chemical Properties | Middle School, High School

    Project: 21st Century Elements

    In this project, students will learn the importance of the elements in our lives. The students will research one chosen element and create a website, a digital comic strip, or a video to explain the important properties of the element as well as why the element is so important to our lives.

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