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Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.
avoiding "reality" and its problems
Maybe there is "something" there, but "things" only come into existence when, as you say, we give "meaning" to that something? The 20th century philosopher Ludwig Wittgenstein said (more or less) "About that which we cannot speak, we must remain silent." Perhaps that holds for "What is reality"? It is there, but doesn't become "things" until we (and other organisms) give meaning to it? In language or otherwise? For more along these lines, see chairs, etc and the brain.