Shared Flashcard Set

Details

Forces in Fluids
Chapter 3 Test C
20
Science
9th Grade
02/08/2013

Additional Science Flashcards

 


 

Cards

Term
What is the SI unit for pressure?
Definition
Pascal
Term
Why doesn't ice float in air?
Definition
Ice is denser than air.
Term
How does atmospheric pressure change as you go from the top of a mountain to sea level?
Definition
The pressure increases.
Term
How do soap bubbles become round?
Definition
Evan air pressure.
Term
What does NOT affect an airplane's lift?
Definition
air quality
Term
What ships are built with
Definition
hollow shape
Term
Takes the shape of a container
Definition
fluid
Term
Caused by weight of the atmosphere
Definition
atmospheric pressure
Term
Upward force equal to the weight of fluid an object displaces.
Definition
Archimedes' principle
Term
Force exerted on a given area
Definition
pressure
Term
Amount of matter in a given volume
Definition
density
Term
Irregular flow of fluids
Definition
turbulence
Term
Lifts heavy objects
Definition
hydraulic device
Term
The faster the speed, the lower the pressure, according to
Definition
Bernoulli's principle
Term
The forward force from an airplane's engine is called
Definition
thrust
Term
Hydraulic devices lift ofjects using
Definition
Pascal's principle
Term
The density of a fluid affects the  ___________  it exerts.
Definition
buoyant force
Term
The forward force of an airplane works against
Definition
drag
Term
What happens when the muscle in your chest moves when you breathe out?
Definition
The space in your chest becomes larger.
Term
What happens in the lungs when you exhale?
Definition
Air moves from high pressure (in the lungs) to low pressure (outside).
Supporting users have an ad free experience!