76 – 100 of 672 Classroom Resources

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  Atomic Mass, Atomic Theory, Model of the Atom, Subatomic Particles, Periodic Table, History | Elementary School, Middle School, High School

  Video: Dimitri Mendeleev Video Mark as Favorite (73 Favorites)

  This video tells the story of how Dimitri Mendeleev organized the periodic table, even leaving gaps to be filled in with elements that weren't yet discovered.

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  Culminating Project, Chemical Properties, Physical Properties, History, VSEPR Theory, Polymers, Covalent Bonding | High School

  Project: The Evolution of Materials Science in Everyday Products Mark as Favorite (73 Favorites)

  In this project, students will be able to understand the progression of development of an everyday product and display their knowledge through a creative video. They will investigate the history and chemical composition of the product through the present day. The students will then suggest an innovation about how the product can be altered in the future to improve society.

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  Intermolecular Forces, Intermolecular Forces, Physical Change | High School

  Demonstration: Intermolecular Forces & Physical Properties Mark as Favorite (72 Favorites)

  In this demonstration, students observe and compare the properties of surface tension, beading, evaporation, and miscibility for water and acetone.

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  Atomic Radius, Ionic Radius, Electrons, Model of the Atom, Subatomic Particles, Periodic Table | Elementary School, Middle School, High School

  Animation: Atomic & Ionic Radii Animation Mark as Favorite (71 Favorites)

  This animation explores patterns in atomic and ionic radii. Students will look at the different sizes of atoms in the third period and the atoms in the sixth group to see trends across periods and down groups. They will also look at an atom and its corresponding cation as well as an atom and its corresponding anion. **This video has no audio**

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  Physical Change, Chemical Change, Observations, Chemical Change, Radioactive Isotopes | High School

  Activity: Physical, Chemical and Nuclear Changes Mark as Favorite (71 Favorites)

  In this activity, students will analyze the representation of physical, chemical, and nuclear changes in four ways: submicroscopic (particle diagrams), symbolic (equations), macroscopic (observations), and linguistic (vocabulary words). This self-guided activity is designed to ensure that students internalize fundamental chemistry concepts that will serve as a meaningful basis for future learning about matter and its changes.

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  Periodic Table, Elements, Review, Atomic Radius, Ions, Ionization Energy, Atomic Mass | High School

  Activity: Reviewing the Periodic Table and Periodic Trends Mark as Favorite (70 Favorites)

  In this activity, students will use their knowledge of the periodic table and periodic trends to add fictional elements to a periodic table based on their properties. Once the elements are in the correct place they will reveal a hidden message. This review activity will help students prepare for a summative assessment such as a unit test or final exam.

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  Atomic Theory, Electrons, Model of the Atom, Subatomic Particles, History | Elementary School, Middle School, High School

  Video: Niels Bohr Video Mark as Favorite (70 Favorites)

  This video tells the story of Niels Bohr, a great scientist who redefined how we think about atoms and the electron. Bohr’s model of the atom helped to advance understanding of subatomic particles, and holds an important place in the history and development of the atomic theory.

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

  Activity: Mendeleev's Periodic Table Mark as Favorite (67 Favorites)

  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.

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  Exothermic & Endothermic, Specific Heat, Density, Phase Changes | High School

  Lab: Chemistry is Cooler Stress Test Challenge Mark as Favorite (67 Favorites)

  In this lab, students will design and build a device capable of insulating an ice cube submerged in boiling water for two minutes. In this open-ended inquiry based activity, students will be required to critically think about structure and function of the materials they wish to use to build a device to solve a complex real-world problem. Students must consider the thermal properties of the materials, density, and the need to form a non-permeable barrier between the ice cube and the boiling water.

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  Isotopes, Atoms, Electrons, Subatomic Particles, Elements, History, Introduction, Review, Alpha/Beta/Gamma Decay, Radioactive Isotopes | Middle School, High School

  Activity: What are Isotopes? Video Questions Mark as Favorite (66 Favorites)

  In this activity, students will watch a video and answer questions about isotopes. They will learn about the discovery of isotopes, the difference between chemical and nuclear reactions, different kinds of radioactive decay, and some uses of radioactive isotopes.

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  Periodic Table, Elements, History | Middle School, High School

  Activity: The Disappearing Spoon Video Questions Mark as Favorite (66 Favorites)

  In this activity, students will watch videos from the AACT original video series, Sam Kean’s Disappearing Spoon. While watching a video, students will answer several questions related to the particular element of focus.

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  Radioactive Isotopes, Half Lives, Subatomic Particles, Periodic Table | High School

  Activity: Why are Some Isotopes Radioactive? Mark as Favorite (66 Favorites)

  In this activity, students use periodic trends and data to make predictions about what makes an isotope radioactive. They will then verify or refine their predictions using a PhET simulation.

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  Intermolecular Forces, Polarity, Molecular Geometry, Molecular Structure, Molecular Structure , Physical Properties, Chemical Properties, Physical Change | High School

  Lesson Plan: An Exploration of Intermolecular Forces Mark as Favorite (66 Favorites)

  In this lesson students will explore intermolecular forces, and their associated effect on physical and chemical properties. Students will experiment with volatile liquids to investigate their predictions about intermolecular strength.

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  Mole Concept, Dimensional Analysis, Density | High School

  Lab: Moles of Food Mark as Favorite (65 Favorites)

  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.

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  Model of the Atom, Periodic Table, Subatomic Particles, Electrons, Valence Electrons, Ions | High School, Middle School

  Lab: Sweet Model of the Atom Mark as Favorite (65 Favorites)

  In this lesson, students will use different candies to represent electrons, protons, and neutrons to gain a better understanding of atoms, ions, and isotopes.

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  Physical Properties, Molecular Structure, Polarity | High School, Middle School

  Activity: What Makes Water So Special? Mark as Favorite (64 Favorites)

  In this activity, students will become familiar with the special properties of water by completing several activities that investigate the following physical properties/phenomena: cohesion, adhesion, surface tension, and capillary action.

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  Intermolecular Forces, Polarity, Covalent Bonding, Lewis Structures, Molecular Geometry, Physical Properties | High School

  Activity: Simulation Activity: Intermolecular Forces Mark as Favorite (64 Favorites)

  In this simulation, students will review the three major types of intermolecular forces – London dispersion forces, dipole-dipole interactions, and hydrogen bonding – through short video clips and accompanying text. They will then answer quiz questions using the relative strengths of these forces to compare different substances given their name, formula, and Lewis structure, and put them in order based on the strength of their intermolecular forces, their boiling point, or their vapor pressure. The simulation is designed as a five question quiz for students to use multiple times.

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  Chemical Properties, Physical Properties, Chemical Change, Physical Change, Chemical Change, Culminating Project, Mixtures, Molecular Structure | High School

  Project: Analyze a Family Recipe Mark as Favorite (64 Favorites)

  In this project, students will select a family recipe, or a favorite recipe to investigate. They will analyze several of the ingredients in order learn more about the chemistry of each one, as well as their purpose in the recipe. Additionally, students will examine several ingredient interactions to learn more about the chemistry of cooking.

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  Chemical Change, Identifying an Unknown, Physical Properties, Chemical Properties, Chemical Change, Experimental Design, Scientific Method | High School, Middle School

  Lab: As Easy as Pie Mark as Favorite (64 Favorites)

  In this lab, students will use chemical and physical properties to identify an unknown powder.

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  Atomic Spectra, Activity Series, Emission Spectrum, Ions, Electromagnetic Spectrum, Emission Spectrum, Observations, Inferences | High School

  Lab: Flame Test: Going Further Mark as Favorite (64 Favorites)

  In this lab, students will investigate the colors produced when several mixtures of metallic ions are placed in a flame.

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  Identifying an Unknown, Observations, Physical Change, Physical Properties, Chemical Change, Chemical Properties, Solubility, Precipitate, Indicators | High School

  Lab: Using Qualitative Analysis to Identify Household Compounds Mark as Favorite (64 Favorites)

  In this lab, students will be introduced to common laboratory techniques, safety procedures, lab reagents, and terminology, all while identifying unknown household substances. Students will learn how to use qualitative analysis techniques as a systematic way to identify unknown materials. As part of this process, they will practice careful observation and documentation, as well as identifying relevant physical and chemical properties and changes, including solubility, color change, gas formation, and precipitation of solids.

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  Temperature, Molecular Motion, Observations, Inferences | High School, Middle School

  Demonstration: What is Temperature? Mark as Favorite (64 Favorites)

  In this demonstration, students will observe food dye mixing with water at different temperatures.

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  Periodic Table, Interdisciplinary | High School

  Project: Repurpose the Periodic Table Mark as Favorite (63 Favorites)

  In this project, students will take the principles governing the organization of the periodic table and apply them to a periodic table of their own creation. Students will choose a category of objects and organize them into a “periodic table,” establishing trends across a period and within a group and creating a poster to present their table to the class.

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  Review, Culminating Project, Stoichiometry | High School

  Activity: The Chemistry Escape Room Remix Mark as Favorite (63 Favorites)

  In this activity, students will apply their chemistry knowledge in order to solve ten clues in an effort to determine a three-digit combination that will open a “lock.” This is ideal for a review activity, as the clues span a plethora of chemistry topics. The solution from each clue will be used to correctly write a chemical reaction and a corresponding stoichiometry calculation. Ultimately, by solving the stoichiometry calculation, the answer will match the numbers in the three-digit combination and open the “lock.”

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  Scientific Method, Experimental Design, Observations, Introduction, Graphing | Middle School, High School

  Lab: Applying the Scientific Method to Stain Removal Mark as Favorite (63 Favorites)

  In this lab, students will explore the real scientific process by designing an experiment to solve a problem. Students will learn about basic lab equipment, safety, and the scientific process of trial and error while solving a common problem: What color of food coloring requires the most bleach to remove?