51 – 74 of 74 Classroom Resources

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  Conservation of Mass, History, Observations, Measurements, SI Units | Elementary School, Middle School, High School

  Video: Antoine Lavoisier Video Mark as Favorite (19 Favorites)

  This video tells the story of Antoine Lavoisier who many consider to be the father or modern chemistry. Lavoisier discovered oxygen and hydrogen and first proposed the Law of Conservation of Mass.

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  Introduction, Inferences, Observations, Scientific Method | High School, Middle School

  Activity: Check Activity Mark as Favorite (15 Favorites)

  In this activity, students develop a theory based on evidence they collect from (fake) cancelled checks to come up with a story of how they are related.

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

  Demonstration: What is Temperature? Mark as Favorite (63 Favorites)

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

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  Physical Properties, Physical Change, Observations, Polymers | Elementary School, Middle School

  Lab: Paper or Plastic? Mark as Favorite (7 Favorites)

  In this lab students will research and compare the physical properties of various types of plastic bags. The recorded data will be analyzed by students, and they will use the results to design a plastic bag to meet a given set of criteria.

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  Gas Laws, Matter, Density, Density, Temperature, Pressure, Volume, Graphing, Observations, Measurements | High School, Middle School

  Lab: Pressure Bottle Mark as Favorite (4 Favorites)

  In this lab, students determine the relationship between volume and pressure of a gas and its temperature and address the common misconception that air does not have mass or density.

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

  Lab: Mass & Change Mark as Favorite (16 Favorites)

  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.

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  Redox Reaction, Electron Transfer, Chemical Change, Observations, Experimental Design, Scientific Method | High School, Middle School

  Lab: Test Tube Geology Mark as Favorite (9 Favorites)

  In this lab, students will observe a reaction between an iron nail and copper(II) sulfate in a test tube over the course of several days, modeling how a similar reaction occurs to form copper deposits in the earth. Students will also modify the procedures to evaluate how changing a factor of their choice affects the results of the test tube reaction, introducing them to concepts of experimental design. It also introduces students to my version of the Science Writing Heuristic (SWH).

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  Chemical Change, Physical Change, Separating Mixtures, Observations, Mixtures, Chemical Properties, Physical Properties, Experimental Design, Scientific Method | High School, Middle School

  Lab: Test Tube Separation Mark as Favorite (25 Favorites)

  In this lab, students will mix four substances in a test tube and recreate the original four layers through chemical and physical means.

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  Observations, Combustion, Phase Changes, Experimental Design, Scientific Method | High School, Middle School

  Lab: Observing a Candle Mark as Favorite (16 Favorites)

  In this lab, students accumulate observations of a candle including a look at the combustion reaction's reactants and products.

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

  Demonstration: Density Tubes Mark as Favorite (4 Favorites)

  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.

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  Conservation of Mass, Exothermic & Endothermic, Chemical Change, Heat, Temperature, Observations, Chemical Change | High School, Middle School

  Lab: Kitchen Reaction Mark as Favorite (18 Favorites)

  In this lab students will observe an endothermic chemical reaction involving baking soda (sodium bicarbonate) and vinegar (acetic acid). Students will investigate the signs a chemical reaction has occurred (gas production, change in temperature). Students will perform the lab in an open system so they can see the change of mass due to gas production. This lab is a lead into the topic of conservation of mass. After the lab is completed, the teacher should do a demonstration of the exothermic reaction Hydrogen peroxide and potassium iodide.

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

  Demonstration: Qualitative Look at Gas Density Mark as Favorite (6 Favorites)

  In this demo, students witness three types of gases and observe their relative densities to air.

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

  Activity: Magic Bubble Mark as Favorite (7 Favorites)

  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.

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  Reaction Rate, Experimental Design, Scientific Method, Observations, Chemical Change | High School, Middle School

  Lab: Reaction Rate Mark as Favorite (25 Favorites)

  In this lab, students will explore factors that effect reaction rate and develop a general statement that describes how the factors (temperature, particle size, and concentration) effect the rate based on experimental data. This is an inquiry-based activity.

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  Phase Changes, Sublimation, Physical Change, Density, Observations, Temperature | Middle School

  Lesson Plan: Dry Ice Mark as Favorite (0 Favorites)

  In this lesson, students will investigate how dry ice undergoes a phase change from solid to gas, skipping the liquid phase under normal temperature and pressure.

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  Conservation of Mass, Chemical Change, Chemical Change, Observations | High School, Middle School

  Lab: Conservation of Mass Mark as Favorite (6 Favorites)

  In this lab, students perform three simple experiments, recording the mass of a substance before and after a reaction. They then explain how the law of conservation of mass was not violated, even if the mass changed.

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  Chemical Change, Classification of Reactions, Oxidation, Reduction, Redox Reaction, Electrons, Electron Transfer, Observations, Inferences, Chemical Change | Middle School

  Lesson Plan: One Tube Reaction Mark as Favorite (5 Favorites)

  In this lesson, students will observe a chemical change involving oxidation and reduction.

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  Scientific Method, Observations | Middle School

  Lab: Which Paint is the most Cost-Effective Mark as Favorite (1 Favorite)

  In this lab, students will practice implementing the scientific method in order compare the properties of different paint samples through a variety of testing. Students will research consumer reports, hypothesize, and conduct specific tests in order to determine which brand of paint is the most cost effective.

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  Balancing Equations, Chemical Change, Observations | High School, Middle School

  Lab: Chemical Reactions & Equations Mark as Favorite (49 Favorites)

  In this lesson, students will observe a series of reactions, make observations, and then write balanced chemical equations to chemically describe what they observed.

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  Sublimation, Density, Observations | High School, Middle School

  Lab: Dry Ice (High School) Mark as Favorite (30 Favorites)

  In this lab, students perform several small experiments using dry ice and record their observations.

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  History, Physical Properties, Observations, Model of the Atom | Elementary School, Middle School, High School

  Video: Ancient Chemistry Video Mark as Favorite (72 Favorites)

  This video traces the history of chemistry from the discovery of fire, through the various metal ages, and finally to the great philosophers.

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  Density, Observations, Measurements | Middle School, High School

  Lab: Penny Boats Mark as Favorite (23 Favorites)

  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.

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  Phase Changes, Physical Change, Observations, Temperature | Elementary School, Middle School

  Lab: Condensation Mark as Favorite (2 Favorites)

  In this lab, students will explore the process of condensation. Students will investigate how water vapor condenses, and then they will conduct a comparison test to see if cooling water vapor has an effect on the rate of condensation.

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  Classification of Reactions, Chemical Change, Catalysts, Observations | Middle School, High School

  Demonstration: Catalyst in Motion Mark as Favorite (17 Favorites)

  This demonstration allows students to visualize how a catalyst can impact a chemical reaction. Students will also identify the products of a decomposition reaction, as well as determine if the reaction was endothermic or exothermic based on their observations.