Did you know that Marie Curie's papers, as well as her cookbook, are radioactive and stored in lead-lined boxes? Did you know that Nikola Tesla developed a death ray? Famous scientists and inventors are the subjects featured in a series...

How many times did it take Thomas Edison to invent a successful working lightbulb? Young learners read a short passage about this famous inventor and his determination in getting an idea to work successfully. Then, pupils respond to four...

Readers are asked to use the provided graphic organizer to list the main idea and supporting ideas in a passage about the inventions of Benjamin Franklin.