sink or float - gahanna.gov · sink or float experiment with different objects to find out if they...

SINK or FLOATExperiment withdifferent objects to findout if they sink or float inwater.

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RESOURCESLarge tub or plasticcontainer full of water(clear plastic works great) Various household items(that you can get wet)Some ideas: tennis ball,penny, crayon, sponge,cork, cotton ball, plasticspoon, paper clip, key,grapes, strawberry, babycarrot, cereal, gummybear, egg, tomato,blueberries, orange

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PREPAREFill up your tub orplastic container withwater. Gather all youritems for theexperiments. Make alist of all the items, andmake two columns nextto your list. One for“Predictions”, and onefor “Results”.

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PREDICTGo through your itemlist and mark in the“Prediction” columnwhether you think theitem will sink or float.

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EXPERIMENTTest each item one at atime by placing it in thewater. Does is sink orfloat? Record yourobservation in the“Results” column. Howmany did you predictcorrectly? Which itemsfooled you?

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LEARN MORELearn more about thescience behind sinkingand floating: https://wosu.pbslearningmedia.org/resource/ket-earlychild-sci10/sink-or-float/support-materials/ https://www.dkfindout.com/us/science/forces-and-motion/floating-and-sinking/

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