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How do we define a year? Science has multiple definitions depending on if you use a sidereal year, a tropical year, or an anomalous year. A helpful resource explains all three, as well as how the human body changes over the course of the year, how the earth has changed, and how time is a measure of distance.
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Instructional Ideas
- Research how different countries define your age; for example, in the United States, after you have been alive for 365 days, you turn one year old, but in Poland, the first January you are alive is when you turn one year old
- Discover why Ethiopia is seven years behind the rest of the countries on the planet
Classroom Considerations
- YouTube comments are open to the public and might contain inappropriate material to use in the classroom
- The 16th video in a series of 22
- This video is hosted on YouTube
Pros
- Works well in a traditional or a flipped classroom
- Provides clear diagrams of equinox and solstice
Cons
- None