Scottish Curriculum for Excellence Science - Science

3. Design a boat that can carry a load without sinking

Mission Objectives

Describe the principles of buoyancy and density

Design and carry out an investigation

Summarise findings from an investigation

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Keywords

Words and meanings to learn

balance

the even distribution of weight on a boat, which helps it stay level and stable in the water

displacement

the amount of water pushed aside by an object when it is placed in water; it helps determine buoyancy

stability

the ability of a boat to stay upright and not tip over; a stable boat can carry loads without capsizing

hull

the main body of a boat that sits in the water; its shape affects how well the boat floats and moves

load

the weight or cargo that a boat carries

This lesson has been written by

Katie Barrie


Katie is the Chief Operating Officer at DE, which means she oversees HR, finance and our business model. After studying Drama at Exeter University, Katie spent three years as a primary teacher, before relocating to Norfolk and joining Developing Experts. 

In her spare time, Katie likes to sing with Norwich Harmony barbershop chorus and has recently formed a quartet. Katie loves cooking and spending time with her husband, Bryan and dog, Bertie. She has an endearing laugh, which has to be heard to be believed. Many of us see Katie as the office 'Mum', she gives great hugs and keeps our spirits up.  

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Required Resources

Resources: Marbles (or similar objects, all of the same mass), aluminium foil, a sink of water and the handout.

Core Handout (2): A space for the children to design their boats before conduncting their experiment.

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