SCIENCE FAIR

Introduction

https://docs.google.com/presentation/d/16QQVMTV1LbtCsoeknhWiWnm3lQtonEbhobVBSJqtH-0/edit#slide=id.p 

crane http://www.mstworkbooks.co.za/technology/gr7/gr7-technology-16.html 

https://education.lego.com/en-us/lessons/advancing-with-spm/tower-crane#contemplate 

http://motivationtolearn.org/wordpress/?p=99#more-99 

paddle boat http://troopleadercentral.com/how-to-earn-the-girl-scout-junior-paddle-boat-design-challenge-badge/ 

https://woodworkingformeremortals.com/how-to-make-rubber-band-boat/ 

https://drive.google.com/file/d/0Byv0IjzK8Mhva3dCbHNFUkVROXc/view 

https://www.youtube.com/watch?v=C9IRZ4QYXg8 

water balloon cannon https://www.popularmechanics.com/home/how-to-plans/how-to/a20386/diy-water-balloon-cannon/ 

https://ds-assets.pbskids.org/diy/aircannon-english.pdf 

https://www.youtube.com/watch?v=7CtbYBpjs0g 

https://littlebinsforlittlehands.com/air-cannon/ 

https://littlebinsforlittlehands.com/air-cannon/ 

https://www.youtube.com/watch?v=AibgTe13sIA 

helping hand https://pbskids.org/designsquad/pdf/parentseducators/DS_Act_Guide_HelpingHand.pdf 

https://www.instructables.com/Extending-Grabber/ 

https://www.instructables.com/Articulated-Grabber-Engineering-Project-for-Kids/ 

https://www.popularmechanics.com/home/tools/how-to/a21003/how-to-make-a-grabber-arm-for-picking-up-anything/ 

windmill https://www.ihowd.com/how-to-build-a-windmill

http://www.creative-science.org.uk/windmill1.html 

https://www.youtube.com/watch?v=JXYkjHKakGE 

http://www.historyofwindmills.com/windmill-facts/types-of-windmills/ 

https://www.youtube.com/watch?v=cFMVO-wjgP0 

https://www.youtube.com/watch?v=So_eJveUNjE 

parachute https://www.teachengineering.org/activities/view/design_a_parachute 

https://www.instructables.com/Parachute/ 

https://www.youtube.com/watch?v=xEtYq0G4erA 

https://www.youtube.com/watch?v=_x7sSLBN8zk