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Knowledge Map

Waves and Matter and Chemistry (2 sections)

A disturbance that transfers energy from place to place Wave
This is needed to transmit ocean waves and sound waves, but not necessary to transmit light Medium
A wave that can carry energy through matter or empty space. Electromagnetic wave
The entire range of electromagnetic waves, which includes RADIO waves, MICROWAVES, INFRARED, VISIBLE LIGHT, ULTRAVIOLET, X-RAYS, GAMMA RAYS AND COSMIC RAYS Electromagnetic spectrum
A mechanical wave caused by earthquakes that travels through the earth Seismic wave
This type of force will cause an object to change speed and/or direction Unbalanced force
The number of protons in its nucleus determines this Atomic Number
The number of protons PLUS the number of neutrons in the nucleus determine this Atomic Mass
This type of atom has an EQUAL number of protons and electrons A neutral atom
Protons have this type of charge Positive (+)
Neutrons have this type of charge None .. Neutral
These two parts of an atom are found in the NUCLEUS Protons (+) and Neutrons (neutral)
Electrons have this type of charge Negative (-)
Where are electrons found? Outside the nucleus in the electron cloud
The process when one or more substances change chemically to produce one or more different sustances Chemical reaction (or chemical change)
The shorthand description that uses chemical formulas to describe a chemical reaction Chemical equation
The starting substance(s) in a chemical reaction Reactants
The new substance(s) that are formed in a chemical reaction Products
A change that affects the size, shape, phase or color of a substance, but does not affect its composition. The SAME substance(s) remain and no new substance is formed Physical Change
Substances that transfer heat easily Conductors
Substances that do NOT transfer heat easily Insulators
The basic building blocks of matter, and are made of only one type of atom. Elements
How many known elements are there? Approximately 120
Two or more elements combined Compound
This is an arrangement of elements according to their atomic numbers Periodic Table
Elements in the same ???? or column have similar properties Group
Elements that have a shiny luster, are malleable and ductile, and conduct heat and electricity Metals
Elements that have a dull luster, are brittle and are poor conductors of heat and electricity. Nonmetals
Elements that have properties of metals AND nonmetals Metalloids
Created by: nmerson