floating-on-20-cardboard-boats

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Interactive video lesson plan for: Floating on $20 Cardboard Boats

Activity overview:

WATCH OUTTAKES HERE: http://testu.be/1dxciEe

It's battle of the boats as Tara and Anthony pair off with Patrick Norton and Michael Hand of DIY Tryin' to see if cardboard really can hold and float two people in water.

Watch to see how Patrick and Michael planned and built the boats here: http://revision3.com/diytryin/cardboard-boat-build-off

Join Anthony Carboni and Tara Long as they turn the world around them into a giant science experiment. New videos every Wednesday!

Materials Needed:
- Cardboard
- Gorilla or Duct Tape
- Box Cutter
- Liquid Nails or Wood Glue

Experiment Tips:
- Be sure to seal all exposed holes and cracks in your cardboard boat. The less ways for water to leak in, the better!
- We found the flat-bottom boat to have better, though the wedge-shape boat was faster. - Each boat lasted ~20 minutes of hard use in the water.

Buoyancy
http://www.brainpop.com/science/motionsforcesandtime/buoyancy/preview.weml
The buoyancy of any object in water depends on its volume (the amount of space it takes up) and density (how much mass it has per unit of volume) compared to the density of the water. Objects with large volumes and low densities tend to be quite buoyant.

Displacement
http://science.howstuffworks.com/buoyancy-info.htm
If a wooden board is placed in a bathtub full of water, some of the water will spill over the side. The amount of water pushed aside by the board is called the board's displacement. The board sinks only until it has displaced a volume of water whose weight equals the weight of the board.

Download the New TestTube iOS app! http://testu.be/1ndmmMq

Watch Hard Science on TestTube: http://testtube.com/hardscience

Subscribe now! http://www.youtube.com/subscription_center?add_user=hardscienceshow

Watch extra footage from Hard Science here: http://testtube.com/hardscienceextras

Follow Hard Science on Twitter: http://twitter.com/hardscienceshow

Like Hard Science on Facebook: http://facebook.com/hardscienceshow

Add Hard Science on Google+: http://goo.gl/BKfY3U

Anthony on Twitter: http://twitter.com/acarboni

Tara on Twitter: http://twitter.com/taralongest

Special thanks to our Science Advisors!
Kishore Hari: http://bayareascience.org
Marc "Zeke" Kossover: http://www.kossover.net

Very special thanks to the Handlery Union Square Hotel and Staff! http://sf.handlery.com

Hard Science Crew:
Executive Producer: Barry Pousman
Producer: Nicolette Bethea
Shooter: Michael Baca
Second Shooter: Matt Piniol
Production Assistant: Kendall Long
Editors: Courtney Sid & Conor Gordon

Tagged under: hard science,testtube,anthony carboni,tara long,discovery,diy,science,science experiment,scishow,lab,science lab,experiment,real world,scientists,fun,Revision3,DIY Tryin,Patrick Norton,Michael Hand,cardboard,flotation,buoyancy,boats,pool,regatta,bumper boats,physics,ships, wet,test tube,rev3games,dnews,video, , ,revision3

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