Why do some buildings have lightning rods? Scholars explore the movement and attraction of opposing electrical charges through a simulation of a lightning rod. They control the cloud height, charge separation, and if the lightning rod is...

In this nineteenth-century American inventors online interactive worksheet, learners read paragraphs about Thomas Edison, Benjamin Franklin, and Alexander Graham Bell and their inventions and answer comprehensive questions. Students...

In this online interactive American inventors worksheet, students respond to 10 fill in the blank and multiple choice questions regarding the information included in the provided paragraph.

In this online interactive American inventors activity, students read a brief selection and respond to 10 fill in the blank and multiple choice questions.

In this online interactive American inventors worksheet, students read a brief selection and respond to 10 fill in the blank and multiple choice questions.

In this inventors on-line worksheet, students read short passages about the nineteenth century American inventors Thomas Edison, Benjamin Franklin, and Alexander Graham Bell. They answer 5 fill in the blank and answer 5 multiple choice...

In this ancient history learning exercise, learners complete multiple choice questions about Cleopatra, the Great Wall of China, and more. Students complete 4 questions total.

[Free Registration/Login Required] Learn about charge, electric field, and electric potential in the context of a lightning strike using this interactive simulation. A PDF worksheet is also available. Includes video tutorial. [3:49]