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Oops, I Did It Again: Errors in Measurement
Book Chapter |
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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Perceptual Paradoxes: Multisensory Science and Measurement
Book Chapter |
Perceptual paradox activities challenge assumptions in ways that are both playful and mentally challenging and that point to the need for quantitative measurements. These activities also demonstrate that human meaning-…
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Measuring Data Skills in Undergraduate Student Work
Journal Article |
Data literacy, or students’ abilities to understand, interpret, and think critically about data, is an increasing need in K–16 science education. Ocean Tracks College Edition (OT-CE) sought to address this need by…
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The Numbers Game: Designing Your Own Measures
Book Chapter |
Have you ever wondered how people managed before the ruler and the clock were invented? Today, scientists use the metric system of measurement—one based on the meter, kilogram, and second. It is a decimal system. To…
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Metric Measurements, Magnitudes, and Mathematics: Connections Matter in Science
Book Chapter |
This model-building activity helps learners visualize SI’s base-ten relationships; the connections between the meter, liter, and gram; the real-world relevance of mathematics to science; and the somewhat abstract…
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The Numbers Game: Are Some Measures Better Than Others?
Book Chapter |
In this chapter, readers see how Marie and Monique want to make the strongest magnet possible and had various ideas for how to do so. They wonder whether the number of times you stroked the tube made a difference. They…
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Measurements and Molecules Matter: Less Is More and Curriculum "Survival of the Fittest"
Book Chapter |
Many famous scientific discoveries have been made when an experimenter noticed something unusual or a mistake and followed up on the serendipitous discrepancy rather than ignoring it as others had done. This free…
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5 E(z) Steps to
Earth-Moon Scaling: Measurements and Magnitudes Matter
Book Chapter |
Learners are surprised to learn that most textbook illustrations incorrectly represent the relative sizes and/or distance between Earth and its single moon. Although these and other visual representations of our solar…
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Cold Milk: Measuring Energy Transfer in the Creation of Ice Cream
Book Chapter |
I scream, you scream, we all scream for ice cream! This experiment demonstrates endothermic reactions in a way that creates a learning experience that connects science with the popular dessert ice cream. Students are…
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Measuring Shadows to Calculate the Size of Earth
Journal Article |
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A Teamwork-Based Technique Using Agricultural Fields to Measure the Speed of Sound
Journal Article |
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Berries and Bacteria: Measuring How Acids and Heat Impact Bacteria in Jam
Book Chapter |
Have you ever had a ripe apple, a juicy strawberry, or a succulent peach? Did the juices flow into your mouth with each bite as you devoured it? On the other hand, have you ever had a piece of fruit that was less than…
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Acidic Milk: Measuring PH changes When Acid is Introduced in Cheese Making
Book Chapter |
Most people are not quick to associate the word cheese with the word acid. But the process of making cheese actually begins by raising the acidity of a liquid to cause proteins to curdle to make sour milk. That’s right…
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Measuring Computational Thinking Teaching Efficacy Beliefs of Preservice Elementary Teachers
Journal Article |
With the release of the Next Generation Science Standards (NGSS), assessing K–12 science teachers’ self-efficacy in Computational Thinking (CT) is an important research gap to study. Bandura defines self-efficacy as…