Lesson eLearning

You want to clean muddy water using a cloth and sand. Which of the following is the correct order of steps?

hard MCQ 3 marks Class 3 · EVS · Water O Water
  1. Put sand in cup, put cloth over cup, pour water, stir sand.
  2. Put cloth over cup, put sand on cloth, pour water into cup, let sand settle.
  3. Pour water into cup, put cloth over cup, add sand, stir sand.
  4. Add sand to cup, pour water into cup, put cloth over cup, stir sand.
Answer
Put cloth over cup, put sand on cloth, pour water into cup, let sand settle.

The correct answer is Put cloth over cup, put sand on cloth, pour water into cup, let sand settle. — Confirm that the correct sequence matches option B.

Step-by-step solution

  1. Recognise that the goal is to filter out mud from water.
  2. Understand that cloth acts as a physical barrier to keep sand in place.
  3. Identify that sand should be placed on the cloth before pouring water.
  4. Confirm that the correct sequence matches option B.
Common mistake: Choosing a sequence that puts sand in the cup instead of on the cloth.

Concept tested: Filtration

Published · How this solution was prepared and checked

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