Classroom Resources: States of Matter


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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 | High School

    Simulation: Colligative Properties

    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 | High School, Middle School

    Access is an AACT member benefit. Activity: Simulation Activity: The Effect of Solutes on Boiling and Freezing Point

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

    Access is an AACT member benefit. Lab: Investigating Condensation

    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 | High School, Middle School

    Access is an AACT member benefit. Lab: Sweet, Salty and Cold as Ice

    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

    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.

  • 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

    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.

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

    Simulation: States of Matter and Phase Changes

    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

    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.

  • Molecular Motion, Physical Properties | Middle School, High School

    Access is an AACT member benefit. Activity: Categorizing States of Matter

    In this activity students will analyze both written statements and images that describe the properties of a solid, liquid or gas. Students will determine which state of matter the description best describes and categorize it accordingly.

  • Heat, Temperature, Specific Heat, Observations, Molecular Motion | High School, Middle School

    Activity: What Makes Something Feel Warm

    In this lesson students actively engage in thinking about energy issues in chemistry and the nature of energy (thermal) transfer. The idea that temperature is a measure of heat content will be challenged, and students will be given the opportunity to collect data that will allow them to clearly see that different materials transfer energy at different rates.

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

    Demonstration: What is Temperature?

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

  • Molecular Motion, Molecular Motion | High School

    Access is an AACT member benefit. Activity: The Molecule Dance

    In this activity, students will explain bond and molecular movements by mimicking molecular motion with their own movements.

  • Intermolecular Forces, Intermolecular Forces, Physical Change, Polarity, Molecular Motion, Molecular Motion | High School

    Access is an AACT member benefit. Activity: Simulation Activity: Comparing Attractive Forces

    In this activity, students will use a simulation to investigate different types of intermolecular forces (London dispersion and dipole-dipole). In the analysis that follows the activity, they will relate IMFs (including hydrogen bonding) to physical properties (boiling point and solubility).

  • Heating Curve, Phase Changes, Intermolecular Forces, Freezing Point, Melting Point, Boiling Point, Heat of Fusion, Heat of Vaporization , Molecular Motion, Temperature, Heat, Specific Heat | High School, Middle School

    Access is an AACT member benefit. Activity: Simulation Activity: Heating Curve of Water

    In this simulation, students will investigate qualitatively and quantitatively what happens as water changes states.

  • Pressure, Gas Laws, Kinetic Molecular Theory, Temperature, Volume, Molecular Motion, Intermolecular Forces | High School, Middle School

    Access is an AACT member benefit. Lab: Gas Pressure

    In this lab, students will understand what causes pressure in a container and the variables that affect pressure (volume, temperature, number of moles) by mimicking molecular motion of gases.

  • Kinetic Molecular Theory, Pressure, Gas Laws, Volume, Temperature, SI Units, Molecular Motion | High School, Middle School

    Access is an AACT member benefit. Activity: Simulation Activity: Gas Law Variables

    In this simulation, students investigate variables of a gas. From the computer models, they can see how pressure, temperature, and volume effect gas behavior.

  • Entropy, Kinetic Molecular Theory, Molecular Motion, Intermolecular Forces, Density, Volume | High School

    Activity: Connecting States to Entropy

    In this activity, students use blocks to model different states of matter and the Kinetic Molecular Theory to understand the concept of entropy. This is a concept mandated by SAT level or AP level high school chemistry class.

  • Molecular Motion, Intermolecular Forces | High School, Middle School

    Access is an AACT member benefit. Activity: Simulation Activity: Molecular Motion

    In this simulation, students will have the opportunity to explore on the molecular level how particles move in three states of matter. They will compare two different substances.

  • Molecular Motion, Heat, Phase Changes, Melting Point, Heating Curve, Freezing Point, Temperature, Graphing | High School, Middle School

    Lesson Plan: Modeling the Melting of Ice

    In this lesson, students will create a particulate model of matter that explains energy changes and transfer during a phase change.

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

    Simulation: Density

    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.

  • Density, Molecular Motion | Middle School, High School

    Access is an AACT member benefit. Activity: Simulation Activity: Density Simulation

    In this simulation, students will 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. This lesson accompanies the simulation from the September 2015 issue of Chemistry Solutions.

  • Heating Curve, Phase Changes, Intermolecular Forces, Freezing Point, Melting Point, Boiling Point, Heat of Vaporization , Molecular Motion, Temperature, Specific Heat, Heat, Heat of Fusion | High School, Middle School

    Simulation: Heating Curve of Water

    In the May 2015 issue, students explore the heating curve for water from a qualitative and quantitative perspective. Students compare illustrations of each physical state depicted on the curve and calculate the energy required to transition from one state to another.

  • Intermolecular Forces, Polarity, Molecular Motion, Intermolecular Forces, Molecular Motion, Physical Change, Physical Change | High School

    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).

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Subtopics: Molecular Motion

Grade Level: High School

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