RECAP: Measurements

Choose TWO(2) examples of base quantity

• Mass and density

• Length and area

• Length and mass

• Mass and velocity

Define physical quantity

• Quantities that cannot be defined in term of other physical quantities

• Quantities derived from combination of base quantities through multiplication or division or both.

• Quantity that cannot be measured

• Quantity that can be measured

Convert 75𝜇𝑔 𝑡𝑜 𝑔

• 75000000 g

• 0.0075 g

• 0.000075 g

• 75000 g

Find SI unit of density

• g/m²

• g/m³

• kg/m²

• kg/m³

By using prefixes, we can write 335 × 10^-8 s as

• 0.335 µs

• 3.35 µs

• 33.5 µ

• 335 µs

1 cm² =

• 100 m²

• 1000 m²

• 0.0001 m²

• 1 m²

The word volume means

• to measure length

• to measure mass

• how much space a liquid takes up

The root word kilo means

• 1,000

• 1/1,000

• 100

What measurements would you use to measure something's length metrically?

• centimeter

• milligram

• meter

• kilometer

• kilogram

It is based on the seven fundamental quantities and are expressed from

the product of two or more base units.

• Physical Quantities

• Derived Quantities

• Base Quantities

• All of the above