WATER AND WHATEVER PT. 2
What is the science of shaping objects to allow the smooth flow of fluids around them?
what is streamlining
A combination of stretching and compression
what is bending
A device used to measure altitude
what is an altimeter
The SI unit of pressure
what is pascal
At what point is a submarine completely underwater but not sinking?
what is neutral buoyancy
the Solids whose molecules or atoms are arranged in an ordered pattern are
what is crystalline
The attractive force between unlike molecules
what is adhesion
The small piston of a hydraulic press has an area of 2.0 cm2 and the large piston has an area of 16 cm2. If the small piston has a force of 4.0 N applied to it, the output of the force of the large piston
what is 32 N
the force that tends to slow an object moving through a fluid
what is drag
The type of deformation caused by twisting
what is torsion
The basis for the scientific understanding of all matter is the __?__ theory of matter.
what is the atomic theory of matter
Thin solids that allow certain substances to diffuse through them
what is semipermeable
One-way diffusion through a semipermeable membrane
what is osmosis
The hardness that measures how easily a material can be scratched is the __?__ scale.
what is Mohs
The process of mixing molecules of one substance with another substance by random molecular motion
what is diffusion
the extremely small particles that make up matter
what are atoms
A simple device used to move a liquid over an obstacle without pumps
Solids that have molecules or atoms randomly arranged are __?__ solids.
what is amorphous
The random motion of microscopic solid particles in a fluid
what is Brownian motion
the Pressure formula (pascal)
P=F/A