Lesson Worksheet: Representing Small Values of Physical Quantities Physics • 9th Grade
In this worksheet, we will practice using scientific notation and unit prefixes to multiply and divide values of physical quantities by various powers of ten.
Q1:
A bullet comes to rest in a time of s. What is the time taken for the bullet to come to rest, expressed in decimal form?
Q2:
Which of the following is equal to one nanowatt when multiplied by one watt?
- A
- B
- C
- D
- E
Q3:
A piece of dust has a mass of 0.0065 g. What is the mass of the piece of dust expressed in scientific notation to one decimal place?
- A g
- B g
- C g
- D g
- E g
Q4:
Calculate the volume of a ball of radius 1.2 cm. The volume of the ball is given by , where is the radius of the ball.
- A m3
- B7.2 m3
- C m3
- D1.7 m3
Q5:
A rectangle has side lengths of 0.02 m and 0.004 m. Calculate the area of the rectangle.
- A80 μm2
- B8 μm2
- C80 nm2
- D8 nm2
Q6:
What is the value of 1 centimetre in units of micrometres?
- A μm
- B μm
- C μm
- D μm
Q7:
What is 6 m3 in litres?
- A60 litres
- B600 litres
- C6 litres
- D6 000 litres
Q8:
If and , calculate the value of .
- A0.283 s
- B0.1327 s
- C0.2713 s
- D0.4 s
Q9:
Which of the following represents the smallest value of voltage?
- AMicrovolt
- BPicovolt
- CMillivolt
- DNanovolt
Q10:
Which of the following is the smallest quantity of mass?
- A0.043 mg
- B0.043 g
- C430 µg
- D0.00043 kg
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