Quiz 7.2 Review

substance that reduces friction

• lubricant

• adherent

• coherent

• traction

Which of these is NOT a lubricant?

• water

• honey

• oil

• soap

general term for all substances that can flow; gases and liquids

• solutions

• colloids

• fluids

• suspensions

friction that slows an object as it moves through a fluid

• traction

• drag

• tension

• adhesion

a shape that easily moves through air

• hydrodynamic

• biodynamic

• aerodynamic

• physiodynamic

a shape that easily moves through water

• hydrodynamic

• biodynamic

• aerodynamic

• physiodynamic

the force that attracts a body toward the center of the earth, or toward any other physical body having mass

• centripetal force

• centrifugal force

• gravity

• friction

the closer objects are to each other, the stronger the attraction between them

• law of conservation of matter

• law of conservation of mass

• law of universal gravitation

• law of inertial motion

when the sun, moon, and earth are in line; higher and lower than usual tides

• tsunami tides

• spring tides

• seismic tides

• neap tides

when the sun, moon, and earth are at right angles; weaker, less extreme tides

• tsunami tides

• spring tides

• seismic tides

• neap tides