Metric Units & Precision & Accuracy BrainPop

Which statement best describes the significance of the number 10 in the metric system?

• There are 10 base units
• There are 10 metric prefixes
• The system is used by 10 countries
• The system is based on multiples of 10

Why does "Ketchup helps dinosaurs devour chunky meals" not work as a memory aid for the six common metric prefixes?

• It's too long
• It doesn't mention the metric system
• It's too difficult to remember
• It doesn't have a placeholder for the base unit

What is the relationship between a decigram and a dekagram?

• A dekagram is 10 times as large as a decigram
• A dekagram is one-tenth as large as a decigram
• A dekagram is 100 times as large as a decigram
• A decigram is 100 times as large as a dekagram

How many places would the decimal move in a conversion from kilograms to milligrams?

• 1000
• 10
• Six
• Five

Which conversion is most similar to the conversion from hectometers to meters?

• Hectometers to Kilometers
• Kilograms to dekagrams
• Millimeters to centimeters
• Deciliters to liters

Which of these scenarios describes something that's accurate, but not precise?

• A thermometer that reads 36 degrees, when the actual temperature is 37 degrees
• Making an educated guess on a test question and getting the wrong answer
• An archer who hits the same spot on the target 10 times in a row
• A stopwatch that correctly measures time to the nanosecond

What most directly affects the precision of your measurements?

• The number of times you measure an object
• The size of the object you are measuring
• How quickly you take your measurements
• How carefully you measure and the tools you use

Which of these instruments is the most precise?

• A
• B
• C
• D

Which unit of measurement will give the most precise result?

• Millimeters
• Centimeters
• Meters
• Kilometers

You shoot four arrows. All of them hit the target, but they aren't grouped close together. Your shooting was:

• Both accurate and precise
• Neither accurate nor precise
• Accurate but not precise
• Precise but not accurate