Terms
two or more substances that physically blend together
Mixture
the system used by scientists around the world to make measurements
Standard Units/SI System
Density of freshwater-
1 g/cm3
States of matter
solid, liquid, gas, plasma
lowest temperature possible, no thermal energy or particle movement
Absolute zero 0k
measurement of the amount of matter in an object
mass
Units and tools used to measure length
a meter stick or ruler
states that mass is not created or destroyed in any chemical or physical change
Law of conservation of Mass
Physical properties of liquids
surface tension. viscosity
Charles law has a constant
pressure
measure of the mass of a material in a given volume
Density
Units and tools used to measure mass
digital scale or a spring scale
Methods to separate parts of a mixture- distillation, evaporation, filtration, and ________
magnetic attraction
Types of solids
amorphous vs. crystalline
Boyles' law graph is a
Hyperbola
mixture in which substances are NOT evenly mixed
heterogeneous
a line graph has what kind of data
quantitative data vs. quantitative data
Units of mass
kilogram
liquification (solid-liquid) heat is _______
added
How does the movement of particles influence pressure
more collisions = higher pressure
change in which energy is absorbed
endothermic change
Descriptions of the expanded scientific method
gather info to see what others have studied about this question, summarizing in an introduction
Collecting data
calculating volume of irregular shapes
final volume- initial volume
heat increased, molecules move faster & further apart? what kind of theory is this
Kinetic Molecular Theory
when the pressure of gas increases the volume of the gas decreases what law is this
Boyle's law