1.
The symbol mm stands for?
Correct Answer
B. Millimeter
Explanation
The symbol mm stands for millimeter, which is a unit of length in the metric system. It is equal to one thousandth of a meter. The prefix "milli" denotes one thousandth, so millimeter represents a very small measurement. This unit is commonly used to measure small distances, such as the thickness of a sheet of paper or the size of small objects.
2.
How many mm in a meter?
Correct Answer
C. 1000
Explanation
There are 1000 millimeters in a meter. This is because the prefix "milli-" represents one thousandth of a unit, so there are 1000 millimeters in one meter.
3.
What does cm stand for?
Correct Answer
A. Centimeter
Explanation
The abbreviation "cm" stands for centimeter, which is a unit of length in the metric system. It is equal to one hundredth of a meter.
4.
How many centimeters are there in a meter?
Correct Answer
B. 100
Explanation
There are 100 centimeters in a meter. This is because the metric system is based on powers of 10, and there are 100 centimeters in one meter. This allows for easy conversion between the two units of measurement.
5.
What does dm stand for?
Correct Answer
B. Decimeter
Explanation
A decimeter is a unit of length in the metric system, equal to one-tenth of a meter. It is commonly used in measuring small distances or dimensions. The abbreviation "dm" stands for decimeter, which is the correct answer in this context.
6.
How many dm in a meter?
Correct Answer
A. 10
Explanation
There are 10 decimeters (dm) in a meter. This is because the prefix "deci-" denotes a factor of 1/10, so there are 10 decimeters in one meter.
7.
What does dam stand for?
Correct Answer
A. Dekameter
Explanation
The correct answer is dekameter. A dam is a unit of length in the metric system, equal to 10 meters. It is derived from the Greek word "deka" meaning ten. Therefore, when referring to a dam, it means a length of ten meters.
8.
How many meters are in a dam?
Correct Answer
A. 10
Explanation
A dam is a large barrier built across a river to control the flow of water and create a reservoir. The question asks how many meters are in a dam, and the correct answer is 10. This suggests that the question is referring to the height or vertical measurement of a dam, which is commonly expressed in meters. Therefore, a dam typically has a height of 10 meters.
9.
Hm stands for?
Correct Answer
C. Hectometer
Explanation
The abbreviation "hm" stands for hectometer. A hectometer is a unit of length in the metric system, equal to 100 meters. It is commonly used to measure distances in various fields such as construction, engineering, and transportation.
10.
How many meters in a hm?
Correct Answer
B. 100
Explanation
A hm stands for hectometer, which is a unit of length in the metric system. It is equal to 100 meters. Therefore, there are 100 meters in a hm.
11.
Kilo- stands for?
Correct Answer
C. 1,000
Explanation
The prefix "kilo-" is derived from the Greek word "khilioi" meaning thousand. In the International System of Units (SI), "kilo-" is used as a prefix to denote a factor of 1000. Therefore, the correct answer is 1,000.
12.
The symbol for kilometer is
Correct Answer
B. Km
Explanation
The symbol for kilometer is "km". This is the standard abbreviation used internationally to represent the unit of measurement for distance, kilometer. It is derived from the Greek word "khilioi" meaning thousand, and the meter, which is the base unit for length in the metric system. The lowercase "k" represents kilo, which denotes a factor of 1000, and the lowercase "m" represents meter. Therefore, "km" accurately represents kilometer as a unit of measurement.
13.
The prefix for 1/1,000,000th (one millionth)
Correct Answer
C. Micro
Explanation
The correct answer is "micro". The prefix "micro-" is used to denote one millionth of a unit. In this case, it refers to one millionth of a whole. Therefore, the correct prefix for 1/1,000,000th is "micro-".
14.
A Gm is a
Correct Answer
C. Gigameter
Explanation
A Gm is a unit of measurement used to denote a distance of one billion meters. It is derived from the metric system prefix "giga," which represents a factor of 10^9. Therefore, a gigameter is the correct answer as it accurately describes the measurement being referred to.
15.
How would be written out?
Correct Answer
C. 1,000,000
Explanation
The given correct answer, 1,000,000, is the written form of the number "one million." It is written with six zeros after the digit 1, representing a value of 1,000,000.
16.
How would be written?
Correct Answer
C. 0.001
Explanation
The given answer, 0.001, is the correct way to write the number "one thousandth" in decimal form. In this case, the decimal point is followed by three zeros, indicating that the number is divided by 1000. This means that 0.001 is a smaller value than 0.01, 0.1, and 0.0001.
17.
The symbol for Mega is?
Correct Answer
A. M
Explanation
The symbol for Mega is "M". In the International System of Units (SI), Mega is used as a prefix to denote one million times the base unit. Therefore, "M" is the correct symbol to represent Mega.