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  • Solids, Liquids, and Gases

    Book Chapter | March 2019

    The purpose of this assessment probe is to elicit students’ ideas about the concept of matter. It is designed to find out how students define matter and whether they recognize that all three states—solids, liquids, and…

  • Pressure, Temperature, and Volume of Gases

    Book Chapter | November 2014

    The purpose of this lab is to introduce students to the gas laws related to pressure, temperature, and volume of gases. It gives students an opportunity to develop a mathematical model that can be used to describe “How…

  • Invisible Gases Matter: Knowledge Pours Poorly

    Book Chapter | March 2010

    Invisible gases are a form of matter that have volume or occupy space. In this activity, water flows down through two identical funnels, each inserted in a two-hole stopper, into two identical flasks. The water flows at…

  • Tried and True: Splints and gases

    Journal Article | October 2003

    This column provides classic demonstrations and experiments with a new twist. In this month’s issue learn how chemical reactions carry much more impact when experienced firsthand rather than through pictures in a…

  • Blue Solids, Red Liquids, and Yellow Gases

    Journal Article | February 2000

    During this eye-opening unit, students create visual representations of some very abstract concepts, and in the process eliminate many of their misconceptions about matter. All you need are some colored pencils and…

  • Air and gases

    Blog Post | April 2010

    Click on the cover for the Table of Contents April is the month of Earth Day, and this issue on air and gases also has ideas for environmental studies related to the atmosphere. The article Using Citizen…

  • Tried and True: It's a gas! An exploration of the physical nature of gases

    Journal Article | November 2005

    Gases present something of a paradox for the casual observer--they are everywhere and yet, it remains difficult to see them anywhere. This instructional sequence engages middle school students in the inquiry process,…

  • Properties and Behavior of Gases

    Collection | November 2016

    Resources for students to learn about why gases behave the way that they do.

  • Learning with Inquiring Minds: Students are introduced to the unit on gas laws and properties of gases using the 5E model

    Journal Article | January 2004

    In this article, the teacher moves from a lecture-oriented classroom to a student-centered classroom by redesigning the unit on gas laws based on the five phases of the 5E instructional model—engagement, exploration,…

  • Communication Disorders

    Page | February 2020

    Communication Disorders Communication Disorders involve a wide variety of problems in speech, language, and hearing. For example, speech and language disorders include stuttering, aphasia, dysfluency, voice disorders (hoarseness, breathiness, or sudden breaks in loudness or pitch), cleft lip and/or palate, articulation problems, delays in speech…

  • More than a Game

    Journal Article | March 2019

    Computer simulations have become essential to scientific investigation and engineering design, thanks to advances in mathematical modeling, game theory, and computing technology. Simulations now provide an indispensable…

  • An Interview With Atmospheric Scientist Shawn Urbanski

    Journal Article | March 2019

    Atmospheric scientists study the chemical composition of the atmosphere. More specifically, they look at how atmospheric gases, liquids, and solids interact both with each other and with the earth's surface. This helps…

  • Teaching With Simulations

    Journal Article | March 2019

    Teachers use simulations for student motivation, content learning, and engagement in science practices.

  • Where Do Fossil Fuels Come From?

    Journal Article | October 2019

  • A Noteworthy Connection

    Journal Article | October 2018

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