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In this activity, learners will create a magnifying glass called a waterscope, using water and household items, to examine various objects.

In this activity, learners discover that they can create a lens from a water drop. Learners test their lens by looking at words or pictures.

In this activity on page 1 of the PDF, learners compare the relative sizes of biological objects (like DNA and bacteria) that can't be seen by the naked eye.

Did you know that using a lens one can bend light to make pictures of the world? It's true!

In this artistic activity, learners blow up a smaller picture into a larger one, by using a grid.