3a. Test Review - Scientific Measurement/Analyzing Data

Which of the following is NOT an advantage of using the metric system? a. The basic units of measurement are related to each other. b. The units are based on multiples of ten. c. The units are used internationally. d. It was designed in France in 1791.

Which of the following measurements has the greatest precision? a. 100 b. 100.0 c. 100.00 d. 1

True or False - If the next to the last digit of a measurement is between 0 and 5, the end digit should be rounded down.

The number 0.00243 has how many significant digits? a. 3 b. 4 c. 5 d. 6

Which of the following values is the largest? a. 50000 mm b. 0.5 km c. 50 m d. 5000 cm

One km is equal to _______. a. 0.62 ft b. 3280.8 ft c. 1.61 ft d. 5280 ft

True or False - A unit must be divided by multiples of ten when converting from a larger unit to a smaller unit.

Scientists take scientific measurements carefully in order to ensure their reliability and validity. Which of the following is an example of measurement bias in scientific measurement? a. a scale that reads zero when nothing is on it b. a stopwatch that stops immediately when the stop button is clicked c. A balance that always reads .01 g d. measuring your height in your bare feet

What is the purpose of the prefixes in the metric system? a. They signify the multiples of ten for each unit. b. They signify a completely separate unit. c. They always make a unit smaller. d. They always make a unit larger.

True or False - The metric system is only used in France.

Round the number 14.587020 to 4 significant digits. a. 14.59 b. 14.58 c. 14.587 d. 15.00

What is 0.55 hectometers expressed in decimeters? a. 550 dm b. 5.5 dm c. 55 dm d. 0.00055 dm

True or False - The metric system is now known as the international system of units.

True or False - Volume can be measured in liters or cubic meters.

How many significant figures are in the measurement 1.050 L? a. 1 b. 2 c. 3 d. 4

Scientists take scientific measurements carefully in order to ensure their reliability and validity. What is the difference between accuracy and precision in scientific measurements? a. Accuracy is how far out the measurement is taken, while precision is how close a measured value is to its true value. b. Accuracy is how close a measured value is to its true value, while precision is how close measured values are to each other. c. Accuracy is how close a measured value is to its true value, while precision is how close the average value is to the true value. d. Accuracy and precision are two different words for the same thing.

Which of the following is the SI unit used to measure mass? a. kilogram b. liter c. meter d. Kelvin

What is 150 mm expressed in decimeters? a. 1500 dm b. 15 dm c. 1.5 dm d. 0.15 dm