In this activity, learners explore what makes a boat float and sink. They examine and test various objects to determine why objects float or sink. This experience can prepare learners for a science field trip to ScienceWorks (exhibit) at The Children's Museum of Indianapolis, but a field trip is not necessary. This activity is featured on pp.24-25 (part of a lesson that begins on page 23) of the "ScienceWorks" K-2 unit of study.