Measuring accurately · seed 1 · A4, ink-friendly. The answer key prints on its own page for grown-ups.

Measuring accurately

Science · Scientific Inquiry · ages 7-9
Name ______________________   Date ____________

  1. Which of these units measures temperature?

    • cm
    • °C
    • ml

  2. Which tool would you use to measure the height of a small plant?

    • Ruler
    • Thermometer
    • Measuring jug

  3. Following planned measuring steps and recording each result is part of a systematic method.

    Circle one:   True   False

  4. Zara wants the volume of water in millilitres. Which tool should she use?

    • A set of scales
    • A metre ruler
    • A measuring jug

  5. The hop shows a pencil spanning 0 to 6 on a centimetre scale. How long is the pencil?

    Length (cm). Ticks: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. Hop from 0 to 6: pencil.012345678910pencilLength (cm)
    • 5 cm
    • 6 cm
    • 7 cm

  6. What temperature was recorded at 1pm? Give the number in °C.

    10am: 12°C121pm: 18°C184pm: 15°C15

    Answer: ______________

  7. A jug contains water labelled '250 g'. What does this number tell you about the water?

    • The water's mass
    • The water's volume
    • The water's temperature

  8. Ben read a liquid-in-tube thermometer while its line was moving. It later settled at another number. What should he have done?

    • Use a ruler to check the temperature
    • Read the moving line several times
    • Wait for the line to settle first
LightMySky · lightmysky.comW1-mt_nUnowllzaN-s1

Answer key

For grown-ups. Fold this page away before handing over the rest.

Measuring accurately W1-mt_nUnowllzaN-s1

  1. °C · Degrees Celsius, written °C, measure temperature. Centimetres measure length, and millilitres measure liquid volume.
  2. Ruler · Height is a length. A ruler measures length in units such as centimetres.
  3. True · A systematic method follows a plan and keeps a record of each measurement.
  4. A measuring jug · A measuring jug has marks for liquid volume in millilitres.
  5. 6 cm · The pencil starts at 0 cm and ends at 6 cm. Its length is 6 cm.
  6. 18 · The label '1pm: 18°C' records a temperature of 18°C at 1pm.
  7. The water's mass · Grams measure mass. Recording water mass in grams is valid; its volume would use a unit such as ml.
  8. Wait for the line to settle first · The line was still changing. Ben needed to wait for it to settle before recording the temperature.
Worksheet · LightMySky