In this electromagnetism and electromagnetic induction worksheet, high schoolers answer 12 questions about electricity, about the magnetic fields in given diagrams, about the right-hand rule and about electric current and voltage in...

This may be as close to playing a piano as it is possible to get without actually having a physical instrument in the class. Learn the names and sounds of keys, play a solo or a duet, and practice scales or any song you'd like–all for free!

In this prepositions worksheet, students decide whether the sentence uses the correct or incorrect prepositions. Students complete this for 10 sentences.

Here you can learn all about plasma. Explore what plasma is, its basic characteristics, and how plasma is created.

We've seen them for years on rooftops, atop highway warning signs, and elsewhere, but how many of us know how solar panels actually work? How do the photovoltaic cells that lie at the heart of them turn sunlight ("photo") into...