ISBN-13: 9781493603206 / Angielski / Miękka / 2013 / 84 str.
ISBN-13: 9781493603206 / Angielski / Miękka / 2013 / 84 str.
This book contains graphs showing data collected from a radio-controlled motorboat and an inflatable rowboat on outdoor pools of water. These data can be used for lesson plans by teachers and parents.