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Chapter 2 Review

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  • What is the fomula of volume of a sphere?
    4/3 x pi x r^3
  • Name a qualitative
    colour, smell
  • A square with a length 2 cm. What is its area?
    4 cm2
  • 100 cm = ... m
    1
  • T, k, m, n, G and p are the prefixes of unit. Arrange them for smallest to largest in value.
    p, n, m, k, G, T
  • What is the SI unit of length?
    m
  • What is the fomula of area of a circle?
    pi x r^2
  • What is the SI unit of time?
    second (S)
  • 2.5 m^3 = ... cm^3
    2 500 000
  • What is this used to measure?
    Length
  • Which instrument is used to measure volume?
    measuring cylinder
  • 1 liter = .... dm^3
    1
  • Name an instrument to measure length
    Ruler, rule, measuring tape
  • What is the rectangle's area?
    18 cm^2
  • Name an instrument to measure time
    clock, glass hour, sun clock
  • Name a quantitative
    length, height, volume
  • True or False: A leap year has 366 days
    True
  • 1 km, 1 m, 1 mm, 1 nm. Which is the smallest in value?
    1 nm
  • 5.2 km = ... m
    5200
  • 1 hour = ...  second
    3 600
  • What is the triangle's area?
    12 cm^2
  • True or False: Every month of the year have the same number of days
    False
  • 40 min = ... second
    2 400
  • What is this?
    Sun clock
  • 3 cm = ... m
    0.03
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