15 terms

states of matter unit 2 grade 8

What is matter?
Anything that takes up space and has mass.
What is a solid?
A matter with definite shape and volume.
What is a Crystalline solid?
when particles are arranged in a repeating 3 dimensional pattern called a crystal.
What is a n amorphous solid?
particles in random arrangement.
What is a liquid?
Has definite volume but not shape.
What is viscosity?
resistance to flow
What is Gas?
doesn't have definite shape or volume.
What is vapor
Matter that exist in the gas state but generally a liquid or solid at room temperature.
What is thermal energy
The total energy of all the particles in a sample of matter is called thermal energy.
what is the temperature?
the average kinetic energy.
What is the movement of thermal energy from one higher substance to a lower called.
What is pressure?
Pressure= Force/ Area
Whats Archimedes principle?
The buoyant force on an object is equal to the weight of the fluid displaced by the object.
Whats density?
mass divided by volume
Whats pascal's principle?
When a forced is applied to a confined fluid, an increase in pressure is transmitted equally to all parts of the fluid.