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Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.
I hate the fourth dimension
The only thing I could think about when reading this book was a video I watched last year in my history class. It goes through all ten dimensions and explains/somewhat illustrates them. I had to watch it a few times to feel as though I "got" it, and I could still probably use a few more viewings. Anyway, the url is http://youtube.com/watch?v=qU1fixMAObI if anyone is interested in watching it. If that doesn't work, just search youtube for The Tenth Dimension.
I had a very difficult time reading this book only because I can't really imagine living in a two-dimentional world. The fact that I couldn't mentally get past this was somewhat of a hindrance to me reading it, because I like to picture what's occuring in a story as I read it. Although, it goes the other way too -- I wouldn't be able to read a story involving the fourth, fifth, et cetera dimensions because I wouldn't be able to comprehend anything beyond what I know.