More than 400 words of interesting scientific experiment composition

More than 400 words of interesting scientific experiment composition

Today, when I came to my father's office after playing basketball, my father took out a lot of strange things and said to me, "Yaru, do you want me to do an interesting experiment for you?" I said, "OK! But what do you use?" my father pointed to the pile of things in his hand and said, "it's just

An interesting thing writing 400 words
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Because listen to the cucurbit cucurbit cucurbit beans beans, so the pencil to the ground

An interesting thing writing 400 words