Do you have Le Système International d'Unités -- that's the International System of Units to the rest of us -- all straightened out? Test your metric mastery in this quiz!
How is <i>Le Système International d'Unités</i> (or the International System of Units) commonly abbreviated?
What is the U.S. government's stance on the SI, or the metric system, as it is commonly known stateside?
- The government has embraced the metric system, but it hasn't really caught on in day-to-day life.
- Historically, using the metric system has been considered communistic, so the U.S. government has been adamantly opposed to it.
- The metric system was at one point outlawed by U.S. officials, but now it's allowed in some cases, especially to facilitate trade.
Is a National Metric Week held in the United States each year?
- Yes. It falls in the 10th month of the year, during the week containing the 10th day of the month.
- There's not a National Metric Week, but there is a National Metric Day. It occurs in the first month of the year, on the 10th day.
- No, there's neither a National Metric Week nor a National Metric Day observed in the U.S.
Why hold a National Metric Week to promote the metric system?
- The metric system is simpler.
- The metric system has more widespread use.
How many base units does the metric system include, as of 2011?
How many SI prefixes are officially approved, as of 2011?
What is the difference between Celsius and kelvin?
- The intervals between degrees is different.
- The temperatures ranges differ.
How is the length of a meter determined?
- By the speed of the Earth
- By the speed of sound
- By the speed of light
How is the length of a second determined?
- By periods of atomic radiation
- By arrival of solar rays
- By progression of atomic decay
How was the mass of a kilogram determined historically?
- By the mass of a liter of gold
- By the mass of a liter of water
- By the mass of a liter of wine