Chapter 3 - Buoyancy, Density, Mass And Volume Flashcards
Weight measures
How strongly gravity pulls down on you
Volume measures
How much space an object takes up
Displacement
Measuring the change I water level when an object is dropped in
Density formula
Mass/volume
Density is a _______ property
Characteristic
Characteristic property
A property that makes a particular substance distant from others
Waters density _____ as the tempature decreases
Decreases
Buoyancy
Upward force a fluid exerts on an object
Buoyancy is strong enough when…
Density is low enough
Archimedes principle states…
An object will displace a quantity of fluid equal in weight to the object
Plimsol line
Helps us understand where a ship is lying in water
Positive buoyancy
Float
Neutral buoyancy
Suspend
Negative buoyancy
Sink
Water hyacinth
Air chambers in the stem for floating
Examples of bad in oil spills on water
Contaminats wild life food, difficult for animals to breathe, affects feathers
