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Natural sciences

Matter, measuring and reactions

Educator section

Memorandum

Assignment 6:

OBJECT INSTRUMENT ESTIMATE READING
PANE Yardstick 49 cm 44 cm
DESK Yardstick 1 m 1,05 m
DOOR Tape measure 2 m 1,98 m
SHARPENER Ruler 2 cm 2 cm
FLOOR (CLASSROOM) Tape measure 9 m 9 m
TENNIS COURT Tape measure 30 m 18 m
RUGBY FIELD Tape measure 160 m 143 m

Leaner section

Content

Activity: to measure length and breadth [lo 1.2]

ASSIGNMENT 6

Do the following measuring exercise to determine the appropriate measuring instrument.

  • First try to estimate (guess).
  • Compare your estimate with the actual reading.
  • Estimate and then measure the longest sides of the following objects:
Object Instrument Estimation Reading
Window pane __________________ __________________ __________________
Desk __________________ __________________ __________________
Door __________________ __________________ __________________
Sharpener __________________ __________________ __________________
Floor (classroom) __________________ __________________ __________________
Tennis court __________________ __________________ __________________
Rugby field __________________ __________________ __________________

Assesment

Learning Outcome 1: The learner will be able to act confidently on curiosity about natural phenomena, and to investigate relationships and solve problems in scientific, technological and environmental contexts.

Assessment Standard 1.2: We know this when the learner conducts investigations and collects data: organises and uses apparatus/equipment or sources to gain and record information.

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Source:  OpenStax, Natural sciences grade 7. OpenStax CNX. Sep 16, 2009 Download for free at http://cnx.org/content/col11077/1.1
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