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\ 10-Nov-2025 Bharat Arora Proof-8 Reader’s Sign _______________________ Date __________

Fun Activity 21 st
Century
Skills #Creativity

Fill in the following words of measurement in the crossword grid horizontally, and
vertically at the appropriate places.

horizontally Vertically
YARD MILLENNIUM METRE DECADE

MINUTE GRAM GALLON MILLIMETRE
SECOND MONTH SqUARE YEAR
MASS KILOMETRE CENTURY LITRE

CENTIMETRE HOUR INCH

21 st
Project Century #Subject Enrichment
Skills
Water Conservation in everyday Life

There are several activities for which we use a lot of water, such as bathing, washing clothes,
cleaning utensils or vehicles, etc.
1. Make a list of activities for which more than 5 L of water is required.

2. You must have often noticed water dripping from a tap. Can you
imagine how much water is wasted in an hour or a day?
1000
Take a measuring jug, put it under the tap for 1 minute or 5 minutes, 750
1000 mL
and estimate the amount of collected water. What should we do to 500
250
stop such wastage? Discuss.

168 Mathematics 4