Phases of matter: 30 seconds

http://www.harcourtschool.com/activity/states_of_matter/

Atmospheric Pressure - NASA video - 30 seconds

http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/What_is_Atmospheric_Pressure.html

Pascal's principle: short physlet

http://webphysics.davidson.edu/physlet_resources/bu_semester1/c23_pressure_pascal.html

bernoulli's equation: 4 minutes

http://www.youtube.com/watch?v=kXBXtaf2TTg

buoyancy, archimedes and pascal's principles and static fluid pressure: pictures and summaries of concepts

http://hyperphysics.phy-astr.gsu.edu/Hbase/pbuoy.html

archimedes' principle: 7.5 minutes

http://www.sciencekids.co.nz/videos/physics/archimedesprinciple.html

Equation of continuity video: short physlet

http://mymetube.net/makingwaves/physlets/contents/fluids/fluids_motion/default.html