Lesson 1 : Phenomenon
- Step 1Mystery Substance A
- Step 2Mystery Substance B
- Step 3Episode Questions
- Step 4Your Mystery Substances
- Step 5Presentation and Guided Notes
- Step 6Reflect
- Step 7Construct an Explanation
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View the video. When you're done, move to the next tab. You can come back to the video at any time.
Para ver los subtítulos en español, haga clic en
ccen los controles del video y elija Español
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