Parade Float
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Surface Tension with Adhesion and Cohesion
Cohesion (attraction force) between like molecules creates Surface Tension which allows some objects to rest on the surface of a liquid rather than floating. Adhesion is the attraction between unlike particles and explains many henomena like blood flow and tree water transport.p71pgs/16 made in class videos
4th - 12th
Basic Principles, Biology, Chemistry
Density Concept Presentation (PowerPoint) Mass Volume
10 slide presentation that goes over the whole concept of density. Goes through the density formula including the "Density Pyramid". Does a simple calculation then goes into the relationship of density - sinking and floating.
Please checkout my entire year physical science materials
7th - 9th
Basic Principles, General Science
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