Sink or Float

What objects sink and what objects float? When an object sinks, it goes down with gravity, and when an object floats, it can stay up by itself. In this movie, you'll learn how some objects push water out of the way in order to float. You'll also explore how shape can help things float. Objects with hollow spaces, such as boats and canoes, can float even though they're big. Will a solid coin sink or float in a cup of water? Watch the movie to find out!

Sink or Float Background Information for Teachers and Parents

This page contains information to support educators and families in teaching K-3 students about sinking and floating. The information is designed to complement the BrainPOP Jr. movie Sink or Float. It explains the type of content covered in the movie, provides ideas for how teachers and parents can develop related understandings, and suggests how other BrainPOP Jr. resources can be used to scaffold and extend student learning. See more »

Sink or Float Activities for Kids

In this set of activities adaptable for grades K-3, parents and educators will find ideas for teaching about sinking and floating. These activities are designed to complement the BrainPOP Jr. Sink or Float topic page, which includes a movie, quizzes, online games, printable activities, and more. See more »

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