The Standards Of Measurement

Which of the following is equivalent to 4.5 m?

• 45 cm

• 0.45 cm

• 450 cm

• 455 cm

The density of a cube that measures 1.00 cm on each side and has a mass of 2.0g is ___.

• 1.00 g/cm³

• 2.0 g/cm³

• 0.50 cm³/g

• 0.50 g/cm³

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Why is it important to make measurements using a standard?

• A standard allows people to compare measurements accurately.

• A standard ensures everyone uses different measurements.

• A standard prevents people from making any measurements.

• A standard is not needed

Under which heading in a table of contents would the most information about units be found?

• History of Lord Kelvin

• Dependent Variables

• Measurement Systems

• Scientific Law

Which of the following is measured in kilograms?

• length

• speed

• temperature

• mass

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Which of the following is NOT a derived unit?

• m

• cm³

• dm³

• g/mL

Convert 615 mg = __ g

• 0.615 g
• 7500 mL
• 0.715 g

• 0.0615 mg

Which is the best unit to measure this item: the distance a car travels after being released from a ramp.

• Meter

• Kilogram

• Second

• Ampere

(a)   is anything that takes up space and has mass.

The amount of space occupied by an object.

• Mass

• Volume

• Matter

• Density