Measurements

Which of the following measuring instruments measures a derived quantity?

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Which physical quantity has the correct SI unit?

• Length / centimeter

• Mass / gram

• Time / hour

• Mass/kilogram

What is the base unit of length in the SI system of measurement ?

• meter
• centimeter
• millimetee
• kilometer

Using your Reference Tables, convert 12 km to m.

• 120 m

• 1,200 m

• 12,000 m

• 120,000 m

What prefix represents the smallest measurement?

• milli-

• kilo-

• micro-

• Mega-

Physical quantities that cannot be derived from other physical quantities are

• basic

• derived

• physical quantity

• scalar quantity

Continental drift speed is about 1 x 10^-9 m/s. This is equivalent to 1 (a)   m/s. Use the Prefix form.

Tags

NGSS.MS-ESS2-3

The period of rotation of the Sun is 2.125 x 10⁶ seconds. This is equivalent to 2.125 (a)   s.

A student measures a strip of metal using a metric ruler, as shown here. What is the length of the strip?

• 56.5 mm

• 56.5 cm

• 5065 mm

• 6.50 cm

Express 38.9 cm in meters