Twelve pictures are sorted by whether they sink or float on this 3-page kindergarten sheet. Page 1 has a two-column chart with a tub icon for each group and a strip of pictures to cut and glue or connect with a line, from a coin and a brick to a beach ball and a feather. Page 2 shows four pairs of pictures with the instruction to circle the one that floats. It supports Common Core L.K.5a, and the answer key lists both columns and the four circled answers.
L.K.5a
“Sort common objects into categories (e.g., shapes, foods) to gain a sense of the concepts the categories represent.”
Page 1 sorts twelve objects into the sink and float categories, and page 2 applies the float category to four pairs.
Twelve labeled pictures sit under a Sink and Float chart: coin, beach ball, brick, feather, scissors, cork, nail, toy boat, rock, leaf, marble and plastic bottle cap. Students cut and glue each one into a column, or draw a line to it.
Four boxes with two pictures each: stone and leaf, key and cork, nail and feather, brick and beach ball. Students circle the one that floats in each box.
Six objects in the Sink column, six in the Float column, and the four circled answers: leaf, cork, feather and beach ball.
Cut and glue
Print one sheet per student and let them cut the strip of pictures before gluing. Six pictures in each column is a quick check that the sort is complete.
Test after sorting
Collect a coin, a cork, a nail and a leaf, and test them in a tub once students have sorted. Sort first, then see whether the guesses held.
Pairs as a warm-up
Page 2 stands alone as a two-minute warm-up before a science lesson. Students point to the one that floats before they circle it.
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