Classroom Resources: States of Matter

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  • Chemistry Basics, Identifying an Unknown, Solutions, Solubility, Melting Point, Phase Changes, Acids & Bases, pH, Strong vs Weak, Observations, Molecular Motion | High School

    Access is an AACT member benefit. Activity: Simulation Activity: Identifying Unknowns with Safety Data Sheets Mark as Favorite (7 Favorites)

    In this activity, students will use a simulation to learn about some of the sections of a safety data sheet (SDS) and how the information on SDSs can be used not only for safety purposes but also for identifying unknowns. Specifically, students will use “Section 9: Physical and Chemical Properties” to distinguish between two or three substances with similar appearances in a variety of lab-based scenarios. Particle diagrams are also included to help students visualize the substances’ behavior on a particulate level.

  • Chemistry Basics, Identifying an Unknown, Solutions, Solubility, Melting Point, Phase Changes | High School

    Simulation: Safety Data Sheets Mark as Favorite (7 Favorites)

    Students learn about sections of a safety data sheet (SDS) and how the information can be used for safety purposes and for identifying unknowns. They will use the Physical and Chemical Properties section and particle diagrams to distinguish between substances with similar appearances in a variety of lab-based scenarios.

  • Concentration, Precipitate, Molarity, Molality, Conductivity, Colligative Properties, Boiling Point Elevation, Freezing Point Depression, Distillation, Culminating Project, Graphing, Accuracy, Error Analysis, Interdisciplinary, Mixtures, pH, Buffers, Boiling Point, Freezing Point, Phase Changes | High School

    Access is an AACT member benefit. Lesson Plan: Investigating Sea Water Mark as Favorite (21 Favorites)

    In this lesson, students will consider their water footprint and means to obtain fresh water from seawater using a solar still. To understand the differences between fresh water and seawater, students will determine the composition of artificial seawater by using qualitative analysis to test for different ions in solution and calculate the molarity of different salts used in the recipe. Students will observe the effects of solutes in aqueous solutions by measuring conductivity and the freezing and boiling points of seawater and deionized water and determine total dissolved solids. In addition, students explore the buffering ability of seawater and the effect of carbon dioxide on its pH.

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

    Simulation: Colligative Properties Mark as Favorite (24 Favorites)

    In this simulation, students will 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.

  • 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

    Access is an AACT member benefit. Activity: Simulation Activity: The Effect of Solutes on Boiling and Freezing Point Mark as Favorite (30 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.

  • Phase Changes, Intermolecular Forces, Boiling Point | High School

    Access is an AACT member benefit. Demonstration: Boiling Water & Liquid Nitrogen Mark as Favorite (2 Favorites)

    In this demonstration, students will observe boiling water added to liquid nitrogen. This causes the liquid nitrogen to quickly evaporate and appear cloud-like as water vapor in the air condenses on the cold gaseous nitrogen.

  • Phase Changes, Molecular Motion, Intermolecular Forces, Heat of Combustion, Temperature, Exothermic & Endothermic | High School

    Access is an AACT member benefit. Lab: Investigating Condensation Mark as Favorite (5 Favorites)

    In this lab, students will explore the phase change of condensation and determine whether this process is endothermic or exothermic. Students will then investigate how water vapor condenses, what effect surrounding temperature has on the rate of condensation, and what is happening to the molecules when they condense.

  • Freezing Point Depression, Heat, Phase Changes, Molecular Motion | Middle School, High School

    Access is an AACT member benefit. Lab: Sweet, Salty and Cold as Ice Mark as Favorite (27 Favorites)

    In this lab, students conduct a micro-scale investigation to explore how various solutes affect the freezing point of water. Because of the small volume of liquid used, results are visible within minutes. Students observe what happens to the liquids as they are cooled and use their observations to infer what is going on at the particle level. They will use the results to explain the familiar phenomena of why we salt our roads and sidewalks in the winter and why freshwater lakes and ponds freeze over more easily than saltwater oceans in the winter.

  • Introduction, Lab Safety, Chemical Properties, Physical Properties, Chemical Change, Physical Change, History, Separating Mixtures, Elements, Mixtures, Density, Measurements, SI Units, Significant Figures, Dimensional Analysis, Scientific Notation, Accuracy, Molecular Motion, Phase Changes | High School

    Access is an AACT member benefit. Lesson Plan: The Chemistry Basics and Measurement Quick Start Unit Plan Mark as Favorite (48 Favorites)

    This Quick Start Unit Plan includes all the materials that a teacher will need for the first 10 class meetings of the school year. Each day is outlined with teacher notes, and includes slide presentations as well as directions for demonstrations, activities and labs to use. The fundamental topics covered in the 10 days of lessons are: laboratory safety, laboratory equipment, experimental design, classification of matter, chemical properties, physical properties, chemical change, physical change, phase changes, separation techniques, dimensional analysis, unit conversions, factor label method, accuracy, precision, significant figures, and percent error calculations. This Quick Start Unit plan aims to help students to build a foundation of understanding, and master important topics before moving deeper into the chemistry curriculum.

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    Heat, Specific Heat, Phase Changes | Elementary School, Middle School

    Access is an AACT member benefit. Lab: The Insulation Investigation Mark as Favorite (4 Favorites)

    In this lab, students will think critically about the properties, structure and function of materials as they design and build a device used to insulate an ice cube to prevent it from melting.

  • Heat of Vaporization , Boiling Point, Intermolecular Forces, Phase Changes, Heating Curve, Heat of Combustion, Temperature, Specific Heat, Observations, Chemical Change, Physical Change | Middle School, High School

    Access is an AACT member benefit. Demonstration: Cooking an Egg in Chemistry Class Mark as Favorite (6 Favorites)

    In this demonstration, students will observe the very high latent heat of vaporization for water by boiling water over a Bunsen burner in a paper cup to cook a boiled egg. The discussion can be extended to incorporate intermolecular forces to explain the unusually high boiling point of water, as well as heat of vaporization and specific heat capacity.

  • Heat, Specific Heat, Phase Changes, Intermolecular Forces | High School

    Access is an AACT member benefit. Activity: "It's a Phase" Puzzles Mark as Favorite (1 Favorite)

    In this activity, students will complete either a crossword puzzle or a word search puzzle for common vocabulary terms related to the topics of phase changes and heat transfer. This activity provides an opportunity for students to increase their familiarity with the terms that they will be expected to use when learning about thermochemistry.

  • Phase Changes, Melting Point, Heat | Elementary School

    Access is an AACT member benefit. Lesson Plan: Chocolate Changes Mark as Favorite (0 Favorites)

    In this lesson, students will review what they know about the three states of matter (solid, liquid, and gas). They will perform a word sort about states of matter and discuss how substances can exist in more than one state of matter. Following this they will contribute to a KWL (Know, Want to know, Learned) chart. The teacher will conclude the lesson with a demonstration using chocolate.

  • Heat, Law of Conservation of Energy, Specific Heat, Temperature, Calorimetry, Phase Changes, Boiling Point, Melting Point, Heating Curve, Intermolecular Forces, Molecular Motion, Phase Diagram | High School

    Lesson Plan: Phase Changes and Heat Transfer Unit Plan Mark as Favorite (22 Favorites)

    The AACT high school classroom resource library and multimedia collection has everything you need to put together a unit plan for your classroom: lessons, activities, labs, projects, videos, simulations, and animations. We constructed a unit plan using AACT resources that is designed to teach the Phase Changes and Heat Transfer to your students.

  • Half Lives, Radioactive Isotopes, Radiation, Phase Changes | High School

    Access is an AACT member benefit. Activity: Radioactive Dating: The Demise of Frosty Mark as Favorite (33 Favorites)

    In this activity students will investigate the idea that carbon dating is based on gathering evidence in the present and extrapolating it to the past. Students will use a simple graph to extrapolate data to its starting point and then pool the data to make a graph that simulates half-life. Students will be introduced to solving mathematical problems that involve half-life.

  • Intermolecular Forces, Phase Changes | High School

    Access is an AACT member benefit. Activity: The Behavior of Solids and Liquids Mark as Favorite (29 Favorites)

    In this activity, students will be able to explore and explain behaviors of liquids and solids based on the individual particles in the states of matter

  • Molecular Motion, Phase Changes | Middle School

    Access is an AACT member benefit. Activity: Atoms in Motion Mark as Favorite (17 Favorites)

    In this activity, students will explore how particles that make up matter are in constant motion. The students will use an online PhET simulation to compare the ways that atoms and molecules move in samples of solids, liquids, and gases. This activity will help students improve their understanding of the particle level.

  • Phase Changes, Molecular Motion | Middle School, High School

    Simulation: States of Matter and Phase Changes Mark as Favorite (102 Favorites)

    In this simulation, students will participate in a 10 question quiz. Some questions will challenge students to analyze data to identify the correct state of matter for a specific sample, and then connect the chosen state with an animated particle diagram. In addition, students will examine the behavior of particles in an animated sample as they undergo a phase change, and must correctly identify the change that occurs.

  • Phase Changes, Molecular Motion | Middle School, High School

    Access is an AACT member benefit. Activity: Simulation Activity: States of Matter and Phase Changes Mark as Favorite (64 Favorites)

    In this simulation, students will participate in a 10 question quiz. Some questions will challenge students to analyze data to identify the correct state of matter for a specific sample, and then connect the chosen state with an animated particle diagram. In addition, students will examine the behavior of particles in an animated sample as they undergo a phase change, and must correctly identify the change that occurs.

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

    Access is an AACT member benefit. Lab: Chemistry is Cooler Stress Test Challenge Mark as Favorite (65 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.

  • Freezing Point Depression, Mixtures, Phase Changes, Freezing Point, Melting Point | High School, Middle School

    Access is an AACT member benefit. Lab: How does Salt "Melt" Ice? Mark as Favorite (52 Favorites)

    In this lab, students will consider why salt is used to aide in snow clearing and to help keep icy roads safe. They will investigate how salt ‘melts’ ice and determine the best type of salt to do so. Additionally, students will explore the advantages and disadvantages of the various different types of salt.

  • Distillation, Physical Change, Separating Mixtures, Phase Changes | Middle School

    Access is an AACT member benefit. Activity: Distillation in Survival Mode Mark as Favorite (11 Favorites)

    In this activity, students will investigate methods for purifying water as they consider a survival based situation that requires clean drinking water. Students will investigate processes such as boiling and distillation, as well as review the phase changes within the water cycle.

  • Phase Changes, Elements, Mixtures | High School, Middle School

    Access is an AACT member benefit. Activity: Visualizing States of Matter Mark as Favorite (135 Favorites)

    In this activity, students will view, sort and classify pure substances and mixtures into the 3 common states of matter found in the laboratory. Students will also discuss their classification system with their teacher and peers.

  • Polymers, Phase Changes, Physical Properties | Middle School

    Access is an AACT member benefit. Lab: Changing a Monomer to a Polymer! Mark as Favorite (5 Favorites)

    In this lab, students will have the opportunity to see the complexity of the different phases of matter. This lab will allow students to investigate polymers and physical properties, while connecting these concepts to the phases of matter. Students will also better understand that some substances are not easily identified as a particular phase of matter and that some substances can have characteristics of more than one phase of matter.

  • Phase Changes, Boiling Point, Melting Point, Physical Properties | Elementary School, Middle School

    Access is an AACT member benefit. Lesson Plan: Investigating Water's States of Matter Mark as Favorite (1 Favorite)

    In this lesson, the students will identify properties of different states of matter, and then work in groups to model molecular arrangement in the solid, liquid, and gaseous states of water. This lesson will also help students to understand that the change in state as a physical change and how the solid state of water has unique properties.

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