26 – 50 of 63 Classroom Resources

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  History, Interdisciplinary, Physical Properties, Chemical Properties, Observations, Mixtures | Middle School, High School

  Lab: Top Secret Mark as Favorite (21 Favorites)

  In this lab, students will learn about the history of invisible ink and will have the opportunity to compare two types of homemade invisible ink recipes.

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  Physical Properties, Observations, Mixtures, Solute & Solvent, Mixtures | Middle School

  Lesson Plan: How Fast Does it Flow? Mark as Favorite (5 Favorites)

  In this lesson students explore the viscosity of different mixtures. They measure viscosity of different mixtures and then have the opportunity to design a mixture to attain a particular viscosity. Students will relate their lab experience to the application of viscosity in the real-world as they consider the differences in viscosity between different types of paints.

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  Chemical Change, Chemical Change, Physical Change, Physical Properties | Middle School

  Lab: Little Miss Muffet Investigation Mark as Favorite (16 Favorites)

  In this lab, students will work in cooperative groups to conduct a chemical reaction by mixing vinegar with milk. This reaction will cause the curds to precipitate and separate from the liquid whey. The lesson can be extended by experimenting with different types of milk or by using different acids.

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  Measurements, SI Units, Mole Concept, Physical Properties, Density | Middle School, High School

  Activity: Animation Activity: Units of Chemistry Mark as Favorite (18 Favorites)

  In this activity, students will view an animation that explores the importance of including units to communicate the value of measurements effectively. The animation presents definitions, units of measurement, and measuring tools for physical properties that are commonly measured or calculated in chemistry class: mass, length, temperature, volume, amount (moles), and density.

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  SI Units, Mole Concept, Measurements, Physical Properties, Density | Middle School, High School

  Animation: Units of Chemistry Animation Mark as Favorite (14 Favorites)

  This animation explores the importance of including units to communicate the value of measurements effectively. It presents definitions, units of measurement, and measuring tools for physical properties that are commonly measured or calculated in chemistry class: mass, length, temperature, volume, amount (moles), and density. This animation was featured in the November 2022 issue of Chemistry Solutions. **This video has no audio**

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  Density, Matter, Physical Properties, Measurements | Elementary School, Middle School, High School

  Animation: Density Animation Mark as Favorite (44 Favorites)

  This animation explores density on the particulate level. There are opportunities to make qualitative and quantitative comparisons between substances. **This video has no audio**

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  Density, Physical Properties, Matter, Observations | Elementary School, Middle School

  Lab: Comparing Density of Liquids & Solids Mark as Favorite (6 Favorites)

  In this lab, students will measure mass and volume, calculate density, and compare the density of given liquids and solids, inferring what causes objects to sink or float in a given liquid. 3-48

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  Physical Properties, Density, Chemical Properties, Matter, Interdisciplinary | Middle School, Elementary School

  Activity: Astronaut on a Mission Mark as Favorite (1 Favorite)

  In this activity students will take on the role as a NASA employee on a mission to discover what resources humans need in order to survive on a planet outside of our solar system. Students will come up with a plan including a list of materials and resources needed to sustain life on another planet. They will need to compare each planet and determine which is most ready to support life.

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  Polymers, Scientific Method, Physical Properties, Mixtures | Elementary School, Middle School

  Lab: Polymer Investigation Mark as Favorite (3 Favorites)

  In this lab, students will follow the procedure for creating a polymer, flubber, which will be similar in consistency to Silly Putty. Students will then design an experiment to test a physical property of the flubber that they have created using the scientific method.

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  Intermolecular Forces, Physical Properties, Melting Point, Boiling Point | High School, Middle School

  Activity: Simulation Activity: Exploring Intermolecular Forces with Odyssey Mark as Favorite (4 Favorites)

  In this simulation, students will learn about the different intermolecular forces. They will use the simulation to see how molecules in various species interact with one another.

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  Mixtures, Physical Properties, Molecular Structure, Mixtures | Elementary School, Middle School, High School

  Demonstration: Analyzing Mixtures Mark as Favorite (37 Favorites)

  In this demonstration, the teacher will create a sequence of mixtures in a single test tube. Water, oil, food coloring and soap will be used in this demonstration to introduce the concepts of heterogeneous and homogeneous solutions as well as the idea of miscibility. Students will also have the opportunity to analyze the properties, such as surface tension of each component used.

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  Observations, Mixtures, Physical Properties, Molecular Structure | Elementary School, Middle School

  Demonstration: Investigating Hand Sanitizer and Soap Mark as Favorite (7 Favorites)

  In this demonstration, students will consider the purpose of using both hand sanitizer and soap to wash their hands. They will observe a model of the interaction between hand sanitizer particles and virus particles, as well as between soap particles and virus particles to gain a better understanding of how soaps and sanitizers work.

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  Observations, Physical Properties, Solubility, Ionic Bonding | High School, Middle School

  Lab: Microscopic Wonder Mark as Favorite (25 Favorites)

  In this lab, students observe and describe the shape, size, and arrangement of salt crystals at various magnifications under a microscope and then compare the properties of each microscopically.

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  Physical Properties, Density, Separating Mixtures, Matter, Culminating Project, Interdisciplinary, Phase Changes | Elementary School, Middle School

  Activity: The Castaway! Mark as Favorite (14 Favorites)

  In this activity, students use their knowledge of the properties of matter to create and/or design items needed for survival on a deserted island.

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  Periodic Table, Elements, Matter, Physical Properties, Chemical Properties, Observations, Identifying an Unknown | High School, Middle School

  Lab: Periodic Table Trends Mark as Favorite (32 Favorites)

  In this lab, students will investigate trends of the periodic table by examining samples of six elements. Students will use observations about the elements’ appearance, conductivity, and malleability to determine whether they are metals, nonmetals, or metalloids. They will also see how these elements, as well as two more in a teacher demo, react with water and use this information to make claims about reactivity patterns in the periodic table.

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  Molecular Motion, Density, Physical Properties, Density, Gas Laws, Ideal Gas, Temperature, Pressure, Volume | Middle School, High School

  Simulation: Density Mark as Favorite (14 Favorites)

  The simulation for the September 2015 issue allows students to investigate the effect of changing variables on both the volume and the density of a solid, a liquid, and a gas sample. Students will analyze the different states of matter at the particle level as well as quantitatively.

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  Colligative Properties, Boiling Point Elevation, Freezing Point Depression, Concentration, Solute & Solvent, Boiling Point, Freezing Point, Phase Changes, Molecular Motion, Graphing, Physical Properties, Heat, Temperature | Middle School, High School

  Activity: Simulation Activity: The Effect of Solutes on Boiling and Freezing Point Mark as Favorite (43 Favorites)

  In this activity, students will use a colligative properties simulation to investigate the effects of different solutes, and different amounts of those solutes, on the boiling point and freezing point of a solution. Students will see particle-level animations of boiling and freezing with different types and amounts of solutes, as well as graphical representations of the results of each trial.

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  Model of the Atom, Atoms, Subatomic Particles, Electrons, Valence Electrons, Lewis Dot Diagrams, Electron Configuration, Physical Properties | Middle School, High School

  Project: Atomic Holiday Ornaments Mark as Favorite (41 Favorites)

  In this project, students will design an atomic holiday ornament for a chosen element, along with a certificate of authenticity to display on a “Chemis-tree”. Students will also have the opportunity to vote on the ornaments created by their classmates.

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  Lab Safety, Chemical Properties, Physical Properties | Middle School, High School

  Activity: ACS Chemical Safety Video Questions Mark as Favorite (20 Favorites)

  In this activity, students will learn about safety, a core value of chemistry, through watching related videos produced by the American Chemical Society, Students will complete guided notes and questions during the activity. This chemical safety video series includes five videos: Safety Mindset, Safety Data Sheets, How to Dress for the Lab, and PPE, Preparing for Emergencies, and RAMP (Recognize hazards, Assess risks, Minimize risks, Prepare for emergencies).

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  Separating Mixtures, Physical Properties, Mixtures | Middle School, High School

  Lab: Mixture Separation Challenge Mark as Favorite (25 Favorites)

  In this lab, students investigate the composition of a given mixture. Using their content knowledge and a variety of provided materials, students are tasked with separating the mixture into its individual components.

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  Heat, Specific Heat, Temperature, Experimental Design, Scientific Method, Physical Properties | High School, Middle School

  Lesson Plan: Designing & Engineering a Fast Defroster Mark as Favorite (13 Favorites)

  In this activity students use their understanding of energy transfer to “design a solution to a complex real-world problem, based on scientific knowledge, student-generated sources of evidence, prioritized criteria, and tradeoff considerations.”  And “evaluate a solution to a complex real-world problem, based on scientific knowledge, student-generated sources of evidence, prioritized criteria, and tradeoff considerations.”  The real world problem is to help a cook who is trying to make a meal, but realizes some of the ingredients are frozen and must be thawed before he can begin.

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  Physical Properties, Chemical Properties, Elements, Matter, Covalent Bonding, Ionic Bonding, Intermolecular Forces, Polymers | Middle School, High School

  Project: The Chemistry of Toys Mark as Favorite (33 Favorites)

  In this project, students will study the chemistry behind a toy or novelty item of their choosing. They will look at the parts that make up their item and determine what materials each part is made of; the types of atoms, molecules, and bonds present in those materials; and their physical and chemical properties.

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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 (63 Favorites)

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

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  Physical Change, Chemical Change, Physical Properties, Chemical Properties | Elementary School, Middle School, High School

  Activity: A Physical vs. Chemical Challenge Mark as Favorite (114 Favorites)

  In this activity, students will first complete a card sort to best categorize examples of change as physical or chemical change. Then they will compete in teams to identify whether given situations represent a physical change or a chemical change, or a physical or a chemical property.

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  Physical Properties, Observations | Middle School, High School

  Lab: Abe Goes Swimming Mark as Favorite (14 Favorites)

  In this lab, students will investigate surface tension by comparing the number of liquid drops of water and of alcohol that can be held on the surface of a penny. An optional opportunity to investigate surfactants is also provided.