Topic Details (Notes format)

Which element has the chemical symbol "Ce"?

Which city is the capital of Ukraine?

Which element has the chemical symbol "U"?

What is the hardest naturally occurring mineral?

Who discovered cosmic rays?

Who discovered penicillin?

Who discovered gravity?

Which empire built the famous Colosseum?

Who discovered the ancient ruins of Susa?

Which layer of Earth’s atmosphere absorbs most of the ultraviolet radiation from the Sun?