Vortex Magnificent machines - Girlguiding › ... › adventuresathome › brownies_vor… ·...
2
Vortex Magnificent machines Aim of activity Come fly with us and find out how vortexes help us soar through the skies. Create your own vortex air cannon and knock out the competition! What you’ll get out of it • Discover what a vortex is. • Find out how vortexes help planes fly. • Make an air cannon. • Work as a team. What you’ll need • 1 set of 5 paper cups per 4 girls For each pair: • 1 plastic bottle, capacity of at least 0.5 litres • A balloon • Scissors • Masking tape Note to leader • Get your girls to bring plastic bottles to the meeting. • If anyone in your group has a latex allergy, swap the balloons for stretchy material. 45 mins © Girlguiding 2019 Registered charity number 306016. Challenge yourself A B tape C balloon D
Transcript of Vortex Magnificent machines - Girlguiding › ... › adventuresathome › brownies_vor… ·...
Vortex Magnificent machines
Aim of activity Come fly with us and find out how vortexes help us soar through the skies. Create your own vortex air cannon and knock out the competition!
What you’ll get out of it •Discoverwhatavortexis.•Findouthowvortexeshelpplanesfly.•Makeanaircannon.•Workasateam.
What you’ll need •1setof5papercupsper4girls
For each pair:•1plasticbottle,capacityof
atleast0.5litres•Aballoon•Scissors•Maskingtape
Note to leader•Getyourgirlstobringplastic
bottlestothemeeting.• Ifanyoneinyourgrouphasalatex
allergy,swaptheballoonsforstretchy material.
45 mins
©Girlguiding2019Registeredcharitynumber306016.
Challenge yourself
C balloon D
AB tape
C balloon D
AB tape
C balloon D
AB tape
C balloon D
AB tape
Magnificent machines - Brownies - Vortex.indd 1 25/07/2019 16:58
What to doSitinacircle.Whatdoesaplaneneedtofly?Talkaboutalltheparts
anaeroplanehas–wings,wheels… what else?
InyourSixes,maketheshapeofanaeroplane including all the parts
you’ve mentioned. Practise getting into the right shape.
Take turns to stand in the centre as aSix.Whenyourleadersays,‘ready
fortake-off’,getintoyouraeroplaneshape.Everyoneelse,trytoworkoutallthedifferentaeroplaneparts.
Didallyourplaneshavewings?Hopeso!Wingsarereallyimportanttokeepplanesintheair.Asplanestravel,airrushesaroundthewingsatdifferentspeedswhich causes a vortex that stops the plane falling.Avortexisaspinningflowofair.
It’stimetocreateyourveryownvortexcannon!Inpairs,geta
plasticbottle,aballoon,scissorsandmasking tape.
Cutyourbottleintotwopiecesjustbelowtheneck,asinpictureA.Be
careful–theedgeofthebottlemight besharp.
Putalayerofmaskingtapearoundthesharpedge,asinpictureB.Now
cuttheneckoffyourballoonandstretchitacrossthebottle,asinpictureC,sotheballoonistight.Takethelidoffthebottle.
3
1
2
5
4
6
2019UMASFMF0309
Totryoutyourcannon,pullbacktheballoonandletgo,asinpictureD.
TaketurnstoaimitataBrownie’shandtoseeiftheycanfeeltheairrush.
Your cannon creates a vortex. The balloonpushesoutaspinningflowofair.This is like the air travelling around an aeroplane’swing,keepingitup.
Competitiontime!Eachpair,joinwith another pair. Line up on the
oppositesideofyourspacefromasetoffivepapercups.Yourteam’saimisto knock over all your paper cups using yourvortexcannons.Whenyourleadersays‘Go’,taketurnstopretendtobeanaeroplane and fly towards your cups.
Take aim and knock as many over as possible.Youonlygetonego.Even
ifyoudon’tknockanyover,flybacktoyourteamandthenextBrowniecango.
Top tipAimyourcannonattheparticularcupyouwant to knock over.
Keep taking turns until you knock allyourcupsover.Whichteam
wasfastest?
Dismantleyourvortexcannonsandrecyclethebottles.
7
8
9
10
11
Magnificent machines - Brownies - Vortex.indd 2 25/07/2019 16:58
