a change in a substance that does not change its identity
What is physical change
100
The process that occurs when vaporization takes place inside a liquid as well as on the surface.
What is boiling
100
A state of matter with no definite shape or volume.
What is gas
100
The principle that the total amount of matter is neither created nor destroyed during any chemical or physical change
What is law of conservation of mass
100
ripping paper, chopping wood
What is an example of physical change
200
A change in which one or more substances combine or break apart to form new substances.
What is chemical change
200
The temperature at which a substance changes from a liquid to a gas; the same as the condensation point, or temperature at which a gas changes to a liquid.
What is boiling point
200
An example of a homogeneous mixture; forms when substances dissolve.
What is solution
200
The change in state from a solid directly to a gas without passing through the liquid state.
What is sublimation
200
the equation for density
What is mass over volume
300
The force pushing on a surface divided by the area of that surface.
What is pressure
300
The change of state from a liquid to a gas
What is vaporization
300
A measure of the force of gravity on an object.
What is weight
300
The measurement of how much mass of a substance is contained in a given volume.
What is density
300
the equation for pressure
What is force over area
400
Anything that has mass and occupies space
What is matter
400
A state of matter that has a definite shape and a definite volume.
What is solid
400
A mixture in which substances are evenly distributed throughout the mixture.
What is homogeneous mixture
400
The amount of space that matter occupies.
What is volume
400
when I boil water I change water into what state of matter
What is a gas
500
The change in state from a liquid to a solid.
What is freezing
500
A state of matter that has no definite shape but has a definite volume
What is liquid
500
A mixture in which pure substances are unevenly distributed throughout the mixture.
What is heterogeneous mixture
500
A measure of how much matter is in an object
What is mass
500
when I freeze water I change water into what state of matter