Powerboat (Baking Soda)

February 24, 2016

-run a bath for the boat

-puncture a hole in the non-lid end of an empty bottle of water and tape around the edges to make it air tight

-pour a bit of household vinegar into the bottle

-wrap some baking powder in ktichen roll

-place the powder/roll through the lid opening close the lid and tip the bottle to combine the powder with the vinegar

-place your powered boat onto the bath water and watch it move

-the acid neutralizes the carbonate, creating carbon dioxide gas that rushes out of the straw and propels the boat using Newton's third law!  You could even work a discussion of buoyancy into the mix.

Resources others found helpful

Specific Learning Disorder

This section explains what specific learning disorders are and describes some of their key features

KS3 SAT Writing Test "Persuade & Argue"

An in-depth look at how to persuade and argue effectively, using the "AFOREST" list of persuasive techniques.