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I pulled three questions from my jar. Which question do you want to explore next week?

  • What was the earliest paper money?

    -Noah, 4th Grade

  • How do phones work?

    -Hannah, 1st Grade

  • Who invented toothpaste?

    -Sofia, 4th Grade

Why does this rock look like a sponge?

Watch the video to discover the answer and don't forget to vote for next week's question. There are mysteries all around us. Have fun and stay curious!