Page 109 - Viva ICSE Science 4 : E-book

EXERCISES

A. Fill in the blanks.

1. ____________ are the fi xed unit of measurement.

2. Objects with longer lengths are measured in ____________.
3. Light objects are measured in ____________.

4. ____________ (°C) and ____________ (°F) are the units of temperature.

5. The hour hand completes one full round of the watch in ____________ hours
while the minute hand completes a round in ____________ hour.

B. Mark (T) for true and (F) for false statements.

1. Cubit and handspan length are the non-standard ways of measurement.
2. The normal temperature of a human body is 100°F.

3. Tools measuring length have markings in centimetres and inches.

4. Capacity tells us how light or heavy a particular object is.

5. The hour hand moves faster than the minute hand in a watch.

C. Name the following.

1. Measuring device commonly used by tailors ______________
2. Device used for measuring time ______________

3. Tool used to measure body temperature ______________

4. Distance between the two ends of an object ______________
5. Device used for measuring the mass of an object ______________

D. Match the following.

Column A Column B

1. Non-standard way of measurement (a) Litre (L) and millilitre (mL)

2. Standard units for measuring (b) Seconds (s)
capacity

3. The standard unit to measure mass (c) Metre (m)

4. The standard unit to measure length (d) Arm length and foot span

5. The standard unit to measure time (e) Kilogram (kg)

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