Equations Measurement: Units, measuring strategies, and error by Heather MacNeill Falconer, M.A./M.S., Anthony Carpi, Ph.D. Reading Quiz Teach with this 1. We can do the following by using a system of measurement: _____. weigh an object mark time describe natural phenomena All of the above 2. Systems of measurement were used throughout human history. true false 3. Early systems of measurement were often based on the human body, such as one “angul” (about 1 cm) being the width of a finger. However, not all bodies are the same so these measurements can be inaccurate. How were these measurement differences resolved? Only certain people were allowed to measure things. Measurements were standardized and based on an agreed baseline. People stopped measuring things. People were allowed to have their own custom measurement systems. 4. You’ve decided to use a new recipe to make dinner. It says you need “1 kg rice.” What do the “1” and “kg” represent? U.S. measurement system unit; amount amount; unit metric system conversions 5. _____ is an example of a non-standard unit of measurement. Serving size A meter A cup All of the above 6. The ancient Greek mathematician Eratosthenes was the first person to calculate the circumference of Earth by measuring the angle of sunbeams and shadows at two points on the globe. What is this an example of? non-standard measurement direct measurement use of the cubit indirect measurement 7. When scientists refer to “measurement error” they are indicating that mistakes were made. false true 8. When scientists report error in their data, they are _____. presenting the possibility that their research will turn out to be wrong admitting that their research is wrong quantifying the variability associated with their measurements detailing the mistakes that they have made Score Quiz
