Thursday
April 24, 2014

Homework Help: Science

Posted by jhai9 on Wednesday, April 11, 2012 at 11:29am.

1. The surface tension in a cup of water is caused by ____.
(1 point)attractive forces between the water and its container
attractive forces between water molecules
adhesive forces between water molecules
adhesive forces between the water and its container

2. The measure of the average kinetic energy of the particles of a substance is the ____. (1 point)temperature
heat
thermal energy
kinetic energy

3. Archemedesí Principle helps to explain the relationship between ____. (1 point)kinetic energy and density
temperature and density
pressure and density
buoyancy and density

4. A cork is able to float on water because it is ____. (1 point)a crystalline solid
equal in density to water
small in size
less dense than the water

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