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Metric System Quiz
by Staff
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!

• LSIU
• ISU
• SI

### 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.
• Both

• Five
• Seven
• 10

• 10
• 20
• 50

### What is the difference between Celsius and kelvin?

• The intervals between degrees is different.
• The temperatures ranges differ.
• Both

### 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
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