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Week 2 Warm Up 8/27 /13 Pg. 7-8 in notebook

Week 2 Warm Up 8/27 /13 Pg. 7-8 in notebook. Why is it okay for a hypothesis to be wrong ? What is the difference between an hypothesis and a prediction? Write both a qualitative and quantitative observation about something in the room

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Week 2 Warm Up 8/27 /13 Pg. 7-8 in notebook

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  1. Week 2 Warm Up 8/27/13 Pg. 7-8 in notebook • Why is it okay for a hypothesis to be wrong? • What is the difference between an hypothesis and a prediction? • Write both a qualitative and quantitative observation about something in the room • A pencil is 16.4 cm long. A student takes the following measurements: 6.4cm, 6.3cm, 6.5 cm. Are these measurements accurate? Reproducible? Both? Neither? Explain your choice. Remember: Do not write the questions.

  2. Week 2 Warm Up 8/28-29/13 Pg. 7-8 in notebook • Write a appropriate hypothesis for the following: • Will a tennis ball bounce higher the more air you put in it? • Will giving a plant sugar water help it grow? • Will feeding your dog only raw steak make it more aggressive? • If a book weighs 35g and 3 people measure it and get the following amounts. Whose measurements are the most accurate?

  3. Week 2 Warm Up 8/30/13 Pg. 7-8 in notebook • What makes measurements reproducible? • What makes measurements accurate? • In an experiment, what is a control? • Use your notes, what is a manipulated variable? • What is a responding variable? • What is the difference between a scientific and non-scientific question. • The actual mass of a pencil is 34.2 grams. • Sara: 34.3g, 33.9g, 34.5g • Jenny: 3.2g, 3.3g, 3.5g • Jessica: 14g, 13.9g, 14.1g • Whose data is reproducible, how do you know? • Whose data is accurate, how do you know?

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