Topic Details (Notes format)

What is the capital of Australia?

Which waterway connects the Mediterranean Sea to the Red Sea?

In computing, which device converts digital signals to analog and vice versa for telephone lines?

What natural phenomenon is measured by the Richter scale?

What is the first element on the periodic table?

Which device converts chemical energy to electrical energy?

Which astronomer wrote the 16th-century work ‘De revolutionibus orbium coelestium’ on heliocentrism?

Which element has the chemical symbol "K"?

What is the main cause of ocean tides on Earth?

Which meteorological scale classifies hurricanes in the Atlantic by wind speed from Category 1 to 5?