Physical Science (chapter 3)

Vocabulary words f

11 cards   |   Total Attempts: 182
  

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Kinetic Theory
All matter is made of atoms and molecues that are always in motion
States of Matter
Liquid, solid, gas are determined by its shape and and volume are definite or variable
Energy's Role
All particles of matter have kinetic energy because they are always in motion
Energy and Changes of State
Identity of substance does not change during a state but the energy of substance does change
Conservation of Mass and Energy
Nither mass or energy can be destoryed. they are both conserved
Pressure
Fluid exert pressure evenly in all directions
Buoyant force
All fluids exert upward buoyant force on matter
Pascal's Principle
If the pressure in the container increases, the pressure that increases stayes the same amount
Fluids in Motion
Fluids move rapidly in smaller areas compared to large area
Properties of gases
Gases expands to fill containers. they have low density, are compressible and are mostly empty spaces
Gas Laws
Gas laws would help predict and understand the specific behavior of gases in specifc situation