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Physical Science

QuestionAnswer
Physical science the study of matter and energy
Mass amount of material
Chemistry the study of matter and how it changes
Physics the study of energy
Matter take up space
Unit a known amount used for measuring
Customary ordinary
Metric System system of measurement used by scientist
Meterstick a common tool for measuring
Meter the basic unit of length is about 36 inches
Centimeters 1/100 of a meter
Millimeter 1/1,000 of a meter
Kilometer a metric unit of measure that is equal to 1,000 meter
Area The amount of an object has
Exponent A number that tells how many times another is a factor
Gram Basic unit in the metric system
Kilogram A unit that equals 1000 grams
Milligram A unit that 1/1000 of gram
Centigram A unit measures 1/100 of a gram
Cubic Centimeters A metric unit that means cm x cm x cm
Property Characteristics that help identity an object
Moleucule The smallest part of a substance that keeps the characteristics of the substances
Atoms The building block of matter
Solid A form of matter that has a definite shape and volume
Liquid A form of matter that has a definite volume but no definite shape
Gas A form of matter that has no definite shape and volume
States of Matter The form of that matter has - solid, liquid, or gas
Plasma A very hot gas make of particles that an electric charge
Element Matter that has only one type of atoms
Compand A substance that is formed when atoms of two or more element together
Proton A tiny particle in the nucleus an atom
Election A tiny particle of an atom that move around the nucleus
Neutron A tiny particles in the nucleus of an atom that is similar to a proton
Atomic Number Number of protons in a specific element
Atomic Mass The number equals the sum of the protons and neutrons
Symbol One or two letters used to represent an name
Isotope An element that has a different number of neutrons than protons and electrons
Periodic Table An arrangement of element by atomic number
Deuterium An isotope of hydrogen that has one proton and one neutron
Tritium An isotope that has one neutron and two protons
Metals Type of element; usually solid at room temperature, shiny and good conducter
Nonmetals Type of element with properties unlike metals
Noble gases Type of element made up of gases that do not combine with others
Alloy A mixture of 2 or more
Inert Lacking the power to move
Family A group of elements with similar properties with arranged in a column on the periodic table
Energy levels One of the spaces around the nucleus of an atom in which an electron moves
Chemical formula Tells the kinds of atoms and how many of each kind are in a compound
Subscript A number in a formula that tells the number of atoms of an elements in a compoud
Radicals A group of two or more atom that acts like one atom.
Binary Compound A compound that contains two elements
Acid A compound that reacts with metals to produce hydrogen
Base A compound that contains the OH radical
pH A number that tells if an item is a base or acid
Motion A change in position
Speed The rate at which the position of an object changes
Distance The length of the path between two points
Constant Speed Speed that does not change
Created by: gettingknowyou