Classroom Resources: Chemistry Basics

51 – 71 of 71 Classroom Resources

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  Physical Properties, Solubility, Freezing Point, Phase Changes, Physical Change, Solute & Solvent, Freezing Point Depression, Freezing Point | Elementary School

  Lesson Plan: Salting Roads in Winter

  In this lesson, students investigate how the freezing point of water changes when salt is added.

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  Freezing Point, Physical Change, Exothermic & Endothermic, Temperature, Boiling Point | Middle School, High School

  Demonstration: Energy

  In this demonstration, students will observe the exothermic and endothermic properties of state changes of substances with different freezing and boiling points.

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  Density, Physical Properties, Melting Point, Freezing Point, Phase Changes, Physical Change, Molecular Motion, Freezing | Elementary School

  Lesson Plan: Pothole Science

  In this lesson, students investigate how the density and therefore the volume, of water changes when it freezes.

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

  Lesson Plan: Dry Ice

  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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  Separating Mixtures, Phase Changes, Physical Change, Distillation, Boiling Point, Conservation of Matter, Mixtures | High School

  Lab: Distillation of Common Soft Drinks

  In this lab, students will see the distillation procedure using a common soft drink and a simple equipment setup.

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  Observations, Separating Mixtures, Physical Properties, Physical Change, Mixtures | High School

  Lab: Distillation

  In this lab, students complete a simple distillation lab separating water from cinnamon and food coloring.

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  Separating Mixtures, Physical Properties, Gas Laws, Pressure, Phase Changes, Physical Change, Temperature, Sublimation, Review, Distillation, Boiling Point, Volume, Mixtures | High School

  Activity: Physical Properties

  In this activity, students will play a game to review topics relating to physical properties of matter, including mixtures, states of matter, and gas laws. They will be prompted with questions in a PowerPoint and they will use white boards to communicate their answers.

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  Observations, Physical Change, Solute & Solvent, Intermolecular Forces, Exothermic & Endothermic, Heat, Temperature, Saturated/Unsaturated/Supersaturated | Middle School, High School

  Lesson Plan: Particle Modeling of Hand Warmers

  In this lesson, students will create a particulate model of matter that explains energy changes and transfer during a physical process, such as the crystallization of a solid from a supersaturated solution.

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

  Lab: Condensation

  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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  Separating Mixtures, Density, Mixtures, Physical Change, Chemical Change, Intermolecular Forces, Intermolecular Forces | Middle School

  Lab: Clean it Up!

  In this lab, students will consider and utilize various separation techniques to purify and reclaim used motor oil.

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  Solubility, Physical Change, Solute & Solvent | Middle School, High School

  Lab: Chemistree

  In this lab, students will prepare a solution to observe a physical change.

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  Observations, Reaction Rate, Physical Change, Interdisciplinary, Chemical Change, Reaction Rate, Chemical Change | Middle School

  Lab: Chemical Weathering in Geology

  In this lab, students will explore the differences between erosion, weathering and chemical weathering. They will complete a lab experiment that simulates chemical weathering on 4 different types of rocks. They will also learn how to use the Mohs Hardness Test to analyze the results.

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  Observations, Physical Change, Chemical Change, Reversible Reactions | High School

  Lab: Breath Test

  In this lab, students investigate whether chemical reactions can happen only in one direction, or whether they can be "undone."

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  Observations, Acid, Physical Change, Chemical Change, Interdisciplinary, Chemical Change, Chemical Change | Middle School

  Lab: Break It Down!

  In this lab, students will examine the physical and chemical changes that take place within a landfill by composting leftover fruits and vegetables from their lunches. They will also record pH and temperature measurements during the process.

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  Observations, Density, Mixtures, Physical Change, Chemical Change, Chemical Change, Acid Base Reactions, Mixtures | Elementary School

  Lab: Analyzing a Lava Lamp

  In this lab, students create a mixture of oil, water and food coloring, and then add an Alka-Seltzer tablet, to create a homemade lava lamp. Student will record their observations during each step of the process and answer follow-up questions about the chemical and physical changes that took place.

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  Observations, Physical Change, Inferences, Physical Change, Solute & Solvent, Identifying an Unknown, Chemical Change | Elementary School

  Lesson Plan: Alien Invasion?

  In this lesson, students will explore both physical and chemical changes as they try to help the Department of Homeland Security analyze and identify materials found in a mysterious capsule. Students will examine and observe an unknown object (a frozen water balloon) as it changes (melts). They then mix combinations of everyday substances to observe chemical changes.

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  Observations, Physical Properties, Physical Change, Chemical Change, Chemical Change, Exothermic & Endothermic, Temperature | Middle School, High School

  Lab: Observing a Chemical Reaction

  In this lab, students will practice making careful observations and measurements while witnessing a chemical change.

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  Observations, Density, Gas Laws, Density, Pressure, Physical Change, Temperature, Identifying an Unknown, Ideal Gas, Molar Mass, 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.

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  Observations, Physical Change, Conservation of Mass, Chemical Change, 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.

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  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.

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  Physical Change, Physical Change, Intermolecular Forces, Molecular Motion, Polarity, Intermolecular Forces, Molecular Motion

  Simulation: Comparing Attractive Forces

  In the November 2014 issue, students explore the different attractive foreces between pairs of molecules by dragging the "star" image. In the accompanying activity, students investigate different types of intermolecular forces (London dispersion and dipole-dipole). In the analysis that follows the investigation, they relate IMFs (including hydrogen bonding) to physical properties (boiling point and solubility).