Physical quantities and measurement

Define vector quantity.

• Quantity which has magnitude.

• Quantity which has both magnitude and direction

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

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

Choose TWO(2) examples of base quantity

• Mass and density

• Length and area

• Length and mass

• Mass and velocity

Find the correct scientific notation for 0.00000089 mm

• 
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• 
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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

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

Determine the reading of the following measurement tools.

• 2.72 cm

• 2.78 cm

• 2.82 cm

• 2.88 cm

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

What is the SI unit of weight?

• kilograms

• grams

• newtons

• kg

Electric current is a vector quantity

• True

• False

When a standard is set for a quantity, then standard quantity is called a

• unit

• amount

• rate

• prefix