Fahrenheit (°F)

The video explains the Fahrenheit temperature scale, where water freezes at 32° and boils at 212°. It was introduced by Daniel Gabriel Fahrenheit in 1724, predating the Celsius scale by about 40 years. The scale was widely used in English-speaking countries until the 1960s. The video also covers how to convert Celsius to Fahrenheit by multiplying by 9, dividing by 5, and adding 32.

At what temperature does water freeze according to the Fahrenheit scale?

• 100°

• 0°

• 32°

• 212°

Who proposed the Fahrenheit scale and in which year?

• Anders Celsius in 1742

• Daniel Gabriel Fahrenheit in 1724

• William Thomson in 1848

• James Joule in 1850

Until when was the Fahrenheit scale predominantly used in the English-speaking world?

• 1980s

• 1970s

• 1960s

• 1950s

What is the first step in converting Celsius to Fahrenheit?

• Multiply by 9

• Divide by 5

• Subtract 32

• Add 32

What is the final step in converting Celsius to Fahrenheit?

• Multiply by 9

• Subtract 32

• Divide by 5

• Add 32