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Seeing red? If it was blue litmus paper, then it is an acid. Viewers learn about the pH scale through a video that shows how liquids may be tested by litmus paper and a universal indicator.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Test liquids using litmus paper
- Use a universal indicator to determine the pH of various liquids
Classroom Considerations
- Requires no prior knowledge, making this an appropriate introduction to the topic
- Video is the first in a 21-part series
Pros
- Provides closed captioning in both English and Hindi
- Graphics are clear and colors contrast nicely
Cons
- None