Understanding Science Tools and Concepts

What is the SI unit for mass?

• Gram

• Kilogram

• Pound

• Ounce

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DOK Level 1: Recall

Which tool is commonly used to measure the volume of a liquid?

• Thermometer

• Calculator

• Graduated Cylinder

• Balance

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DOK Level 1: Recall

What is the difference between precision and accuracy?

• Precision refers to how close measurements are to each other, while accuracy refers to how close measurements are to the true value.

• Precision refers to how close measurements are to the true value, while accuracy refers to how close measurements are to each other.

• Precision and accuracy are the same.

• Precision refers to the number of decimal places, while accuracy refers to the unit of measurement.

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DOK Level 2: Skill/Concept

Calculate the percent error if the experimental value is 45 and the accepted value is 50.

• 10%

• 5%

• 11%

• 9%

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DOK Level 2: Skill/Concept

Convert the number 0.00056 into scientific notation.

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DOK Level 1: Recall

What is the SI unit for temperature?

• Celsius

• Fahrenheit

• Kelvin

• Rankine

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DOK Level 1: Recall

Which tool would you use to measure the mass of an object?

• Ruler

• Balance

• Stopwatch

• Thermometer

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DOK Level 1: Recall

If a measurement is very close to the accepted value, it is said to be:

• Precise

• Accurate

• Both precise and accurate

• Neither precise nor accurate

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DOK Level 2: Skill/Concept

Calculate the percent error if the experimental value is 98 and the accepted value is 100.

• 2%

• 1%

• 3%

• 4%

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DOK Level 2: Skill/Concept

Convert the number 123000 into scientific notation.

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DOK Level 1: Recall