Скачать или смотреть Validity in Chemistry Experiments | Chemistry Skills

📺 Validity in Chemistry Experiments is important in order to evaluate and improve the quality of the data collected. Find out why this is so important in this video!
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The archery contest has a long list of rules, but Chelsea the Cheater keeps breaking them! How does this affect the outcome (conclusion) of the competition? This lesson will introduce validity and examine the importance of having independent, dependent and controlled variables in an experiment.

Definitions included: validity, independent variable, dependent variable, controlled variable

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Chemistry Skills - Accuracy -    • Accuracy and Systematic Error - Chemistry ...  
Chemistry Skills - Reliability 1 -    • What is Reliability in Chemistry | Lesson 1  
Chemistry Skills - Reliability 2 -    • What is Reliability in Chemistry | Lesson 2  

00:00:00 Intro - What is validity?
00:03:15 - What are independent variables?
00:07:13 - What are dependent variables?
00:11:58 - What are controlled variables?
00:12:51 - Rules / Valid experiment guidelines
00:17:55 - Summary

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