Amount of matter in an object
Mass
what you observe or measure
physical properties
Atoms packed closely together and vibrate in place.
solid
Matter has particles that create _____ energy
kinetic
causes matter to become something new
chemical changes
Measure of the gravitational force on an object.
Weight
Does not change the original _______
substance
Atoms are packed loosely and slide past each other.
liquid
part of the total energy of something that can be transferred
thermal
flammability is a
chemical property
Measured in kilograms or grams and uses a balance
mass
melting, folding, cutting, tearing are examples of
physical changes
mass divided by volume
density
a solid changes to a gas
sublimation
burning is a
chemical change
Measured in Newtons or pounds and uses a spring scale.
weight
melting point, boiling point, compressibility, density
physical properties
Solid to liquid to gas occur because of
adding energy
The state of a substance depends on the _____ of its particles
speed
influenced by temperature
chemical changes
Amount of space something takes up
volume
a change in one or more ______ of a substance
properties
gas to liquid to solid occurs because of
taking away or removing energy
the transfer of energy by movement of a liquid or gas
convection
production of gas, odor, forms a solid, changes color, changes energy
signs of chemical changes