26 items
Making a Lens
Introduction Benjamin Franklin was a scientist and an inventor. As he got older, he noticed he needed glasses for reading and seeing things far away. Franklin solved this problem by inventing bifocals, which were glasses made with two...
Back in 1734
Introduction Present the following scenario to your students. You can either read it to them or enlist students to act it out. The scenario is about two children who lived in 1734 and were the age of your students. "Anna Elizabeth and...
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