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There is another class of projects that have been gaining in popularity in
recent years. These are the product testing projects.
what do you mean by this? I've seen projects that ask something like "which
paper towel will absorb more" and then the kid makes a random guess at one,
and calls it an hypothesis. I consider these non-science and pass them by
with an irritation for the teacher who hasn't a clue what "hypothesis" is
supposed to mean.