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Sink or Float: Guess and Test

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Sink or Float: Guess and Test

A tub of water, a handful of everyday objects, and one question for each: will it sink or float? For every item, it's a two-step game—guess first, splash second—with a simple two-column sheet to track predictions, results, and surprises (the big apple floats!).

Age
4 to 6 years
Duration
30 min
Materials
Tub of water, varied everyday objects, printed prediction sheet
Supervision
Supervisé en continu
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Step by step

  1. Fill a tub with water, put a towel underneath, and line up 8 to 10 varied objects (cork, spoon, apple, coin, small toy).
  2. "first we guess, then we test." If they try to dunk everything at once, gently smile and say: "hold on, make your bet first!"
  3. For each item, your child calls out "sink" or "float" and places it on that side of the sheet.
  4. Drop the object in, watch closely what happens, and move it to the column showing the real result.
  5. At the end, compare the guesses with the results and look closely at the surprises (the big apple floats, the tiny coin sinks!).
  6. Ask "why do you think that happened?" and welcome every idea without rushing to give THE answer; test again right away if they have a new theory.

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