Intro
A type of scientific investigation
Applied research
Visual representation of data
Graph, Pie Chart, Bar graph
combination of 2 or more elements
compound
Smallest part of an element that contains protons, electrons and neutrons
atom
Lowest energy state of the atom
ground state
a measure that reflects the amount of matter
mass
The unit being controlled
Dependent variable
pure substance
element
Negatively charged particle e-
Electron
6.626 x 10 ^34
Plank constant
*** DOUBLE ***
A visual, verbal and/or mathematical explanation of experimental data
Model
Converting from one unit to an other (ex. miles -> meters)
Dimensional analysis
*** DOUBLE ***
states that matter cannot be destroyed or changed
law of conservation of mass
Positively charged particle p+
Proton
*** TRIPLE ***
Number of waves that passes through a given point per second
frequency
Describes the relationship in nature that is supported by many experiments
Scientific Law
Difference between experimental value and accepted value
Error
A chart that organizes all known elements
Periodic table
Atoms of the same element with different amount of neutrons
isotopes
3-dimensional region around nucleus
atomic orbital
A matter that has a definite composition
substance
a defined unit in a system of measurement
base unit
A physical blend of 2 or more pure substances
Mixture
The process in which some substances emit radiation
radioactivity
height of the wave
amplitude