Physical science study guide 4.1

study before thursday

Gas

State of matter where molecules move around so quickly that they are practically unaffected by cohesion and that can vary the volume.

Pascal

The SI unit for pressure

Meniscus

A curved surface of liquid formed by the difference in strength between cohesive and adhesive forces.

Hydraulic Press

A device using Pascal's principle to multiply force via connected small input and large output pistons in a liquid-filled reservoir.

Pascal’s Principle

Pressure applied to an enclosed fluid is transmitted undiminished throughout the fluid and to the container walls.

Capillarity

The phenomenon in which liquids in thin tubes rise above or fall beneath their own levels.

Kinetic Theory of Matter

States that all molecules of a substance are in constant motion, moving faster as the object is heated.