Fluid Dynamics

As water temperature increases, water density

• Increases

• Decreases

Tags

NGSS.MS-PS1-4

Pressure is measured in what units

• Newtons

• m/s

• Pascals

• Moles

Wind can help mix the lake layers.

• True

• False

What is the connection between viscosity and flow rate?

• Viscosity is directly proportional to flow rate.

• Viscosity is inversely proportional to flow rate.

• Viscosity and flow rate are unrelated.

• Viscosity is equal to flow rate.

Why is the top of an airplane wing curved?

• To create an area of low pressure above the wing

• To create an area of high pressure above the wing

• To create equal pressure above and below the wing

• To make the wing look really cool

Tags

NGSS.MS-ETS1-1

Fluid substances always move from a level of high pressure to and area of _________.

• higher pressure

• lower pressure

• turbulence

• Uncertainty

Bernoulli's Principle is used to explain the concept of _____.

• lift

• chemical reactions

• the engineering design process

• None of these things

According to the Bernoulli Principle, when a fluid's speed increases, the pressure

• stays the same

• decreases

• increases

Bernoulli’s principle states that as the speed of a fluid increases, the pressure increases.

• True

• False

• it depends

• not enough info

Hydraulic systems use ________ to transfer force from one point to another.

• Air

• Liquid

• Solid

• Gas