SCIENCE
Boothroyd, Jennifer

What Floats? What Sinks?: A Look at Density

(4) K-3 Lightning Bolt Books: Exploring Physical Science series. Filled with large, engaging photos, each book is divided into subtopics that contain definitions, explanations, and several examples of the physical science principle. The end of each volume includes directions for completing an activity that illustrates the concept and prompts further thinking. Though content is slight, these books could serve as adequate introductions to their respective subjects. Reading list, websites. Glos., ind. Review covers these Lightning Bolt Books: Exploring Physical Science titles: Give It a Push! Give It a Pull!: A Look at Forces, Many Ways to Move: A Look at Motion, and What Floats! What Sinks?: A Look at Density.

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