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  • Measurement

    Book Chapter | October 2011

    Because measurements are an important part of inquiry-based science, teachers need to teach measurement skills to their students. Doing so requires a basic understanding of measurement theory and must take into…

  • Metrics and Measurement

    Book Chapter | January 2003

    One of the most challenging activities in the middle school science lab is taking measurements. A simple ruler can send students into a questioning mob around a teacher, not unlike a shark-feeding frenzy. Student…

  • Scale Measurements

    Book Chapter | March 2011

    Measuring parallax and angular diameters are two indirect methods of measuring size and distance in the solar system. The scale model is another indirect method of measurement that also allows us to explore the…

  • Measuring Success

    Book Chapter | May 2016

    The true purpose of this activity is to introduce students to a five-step EDP (engineering design process). In this chapter, second graders design, build, test, and improve tools to map a waterway, and the design…

  • Learning Measurement

    Book Chapter | April 2016

    In this chapter, the objective of the activity “Measuring Hands” is to introduce measuring as a tool of scientists. Chapters 1 and 2 are also included in this book selection. Chapter 1 focuses on science inquiry and the…

  • Measuring Learning

    Book Chapter | April 2016

    In this chapter, the objective of the activity “Temperature Changes” is to determine what children know about temperature changes due to solar radiation absorption. Chapters 1 and 2 are also included in this book…

  • Measuring Mass

    Book Chapter | March 2019

    The purpose of this assessment probe is to elicit students’ ideas about mass. It is designed to find out if students understand the difference between mass and other properties. The probe is best used with students in…

  • Measuring Biological Diversity

    Book Chapter | March 2009

    Biological diversity is a hallmark of life on Earth. In this unit, students estimate biological diversity in two different aquatic ecosystems. They collect water and bottom detritus from two locations and make field…

  • Measuring Plant Allelopathy

    Book Chapter | April 2009

    In this investigation, students will select, identify, and test a common plant for allelopathy by extracting the plant’s natural chemicals and measuring the effect on the germination of lettuce seeds. They will analyze…

  • Measuring Commercial Timber Values

    Book Chapter | November 2009

    This chapter outlines certain procedures used by foresters to measure the amount or volume of timber (primarily sawlogs) in a forest stand. This process is called timber inventory. Just as a storeowner keeps track of…

  • Measuring the Moon Indirectly

    Book Chapter | March 2012

    It is difficult to measure objects in the solar system because it is so massive. In this activity, students use a cross-staff to measure the angular diameter of a paper plate 4 m away. From this, they learn to measure…

  • Science Measures Up

    Book Chapter | April 2012

    Can you measure a dog’s tail in dog biscuits? Can you measure a desk without a ruler? Which is better: measuring a room in paces or meters? Which system of measurement do scientists use? This chapter explores these…

  • Measuring Pennies And More

    Book Chapter | October 2012

    Through the inquiry in this chapter, students work to answer the question, How does measurement help us know about the world? The focus of the inquiry is what measurement can tell us. A scavenger hunt helps students…

  • Measuring Shadows to Calculate the Size of Earth

    Journal Article | March 2020

  • Oops, I Did It Again: Errors in Measurement

    Book Chapter | April 2009

    Understanding the precision and accuracy of measurements is a crucial skill that scientists must develop to do their work. All measurements involve some degree of error. Knowing how to assess and work with error is an…

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