Fluids

Question 0

Flow rate

Answer 0

How quickly a fluid flows in a given amount of time.

Question 1

Force

Answer 1

Push or pull that causes change in movement.

Question 2

Dynamic

Answer 2

Systems that involve movement

Question 3

Aerodynamics

Answer 3

Air or gas moving around a solid object.

Question 4

Hydrodynamics

Answer 4

The motion of fluid moves around a solid object.

Question 5

Kinetic molecular theory

Answer 5

A list of rules about the three states solid, gas and liquid.

• all matter is composed of molecules or other particles
• particles are in consistent motion
• there are forces of attraction among particles

Question 6

Melting

Answer 6

Process of changing a solid to a liquid.

Question 7

Evaporation

Answer 7

Process of a liquid to gas

Question 8

Condensation

Answer 8

Process of gas to liquid.

Question 9

Solidification

Answer 9

Process of a liquid to a solid.

Question 10

Sublimation

Answer 10

Process of solid to gas.

Question 11

Laminar flow

Answer 11

When water flows in a strait or almost strait.

Question 12

Turbulent flow

Answer 12

When the water doesn’t flow strait.

Question 13

Drag

Answer 13

The resistance a object has against water or air.

Question 14

Streamlined

Answer 14

Shapes that created laminar flow.

Question 15

Viscosity

Answer 15

Resistance of a fluid to flowing and movement

Question 16

Cohesion

Answer 16

The attractive forces between the particles of a fluid.

Question 17

Adhesion

Answer 17

The attractive force between the particles of a fluid and the particles of another substance.

Question 18

Surface tension

Answer 18

Increases attraction among the particles of the surface.

Question 19

Viscometer

Answer 19

A instrument that measures viscosity.

Question 20

Mass

Answer 20

Amount of matter in a object

Question 21

Weight

Answer 21

The measurement of force of gravity pulling on a object.

Question 22

Volume

Answer 22

Measure of the amount occupied by matter.

Question 23

Meniscus

Answer 23

The slight curve of water that touches the container.

Question 24

Displacement

Answer 24

The volume of a small irregular solid must be measured by it

Question 25

Density

Answer 25

The mass of a substance per unit volume of a substance.

Question 26

Buoyancy

Answer 26

The upward part of force exerted by fluid called buoyancy

Question 27

Archimedes principle

Answer 27

The buoyant pull on a object immersed in a fluid equal to the weight of the fluid the object displaces.

Question 28

Positive buoyancy

Answer 28

When a object rises in a fluid

Question 29

Neutral buoyancy

Answer 29

When a object remains level in a fluid.

Question 30

Negative buoyancy

Answer 30

When a object sinks in a fluid.