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Physical science

The stud of matter and energy

QuestionAnswer
Physical science The study of matter and energy
Matter Anything that has matter and take up space
Mass The amount of metrical an object has.
Chemistry The study of matter and how it changes
Physics The study of how energy acts with matter
Unit A known amount used for measuring
customary Ordinary
Metric system System of measurement used by scientist
Meter M. The basic unit of length in the metric system; it is about 39 inches.
Centimeter A metric unit of measure that is 1/100 of a meter.
Meter stick A common tool for measuring length in the metric system.
Kilometer A metric unit of measure that is equal to 1,000 meters
Millimeter 1/1000 of a meter meterstick
Area The amount of surface an object has.
Exponent A number that tells how many times a number is a factor.
Centigram A metric unit of mass, equal to one hundredth of a gram
Kilogram The unit of mass
Milligram One thousand of a gram
Gram Basic unit of mass in the metric system
Properties a thing or things belonging to someone; possessions collectively.
Atom The building block of matter.
Molecule The smallest part of a substance that keeps the characteristics of that substance.
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 or volume
State of Matter The form that matter has-solid, liquid, or gas
Plazma A very hot gas made of particles that have an electric charge
Element Matter that has only one kind of atom
Compound A substance that is formed when atoms of two or more elements join together.
nucleus The central part of an atom.
Neutron A tiny particle in the nucleus of an atom that is similar to a proton in size.
Electrons A tiny particle of an atom that moves around the nucleus
Protons A tiny particle in the nucleus of an atom
Atomic Number A number equal to the number of protons in the nucleus of an atom
Mass Number A number equal to the sum of the numbers of protons and neutrons in an atom of an elements.
symbles one or two letter used to represent an elements name
Periodic Table an arrangements of elements by atomic number 2.
Isotope an element that has a different number of neutrons than protons and electrons
Deuterium an isotope of hydrogen that has one proton and one neutron
Tritium an isotope of hydrogen that has one proton and 2 neutrons
Family a group of elements arranged with similar properties and in the same column
metal One group of elements that is usually solid at room temperature, often shiny, and carries heat and electricity well.
Alloy A mixture of two or more metals
Non metel One group of elements with properties unlike those of metals.
Noble Gas One of a group of elements made up of gases that do not combine with other materials under ordinary conditions.
Inert Inactive, lacking the power to move.
Energy level One of the spaces around the nucleus in which electron move.
Chemical Formula Tells the kind of atom and how many of each kind are in a compound
Subscript A number in the formula that tells how many parts are in the compound
Radicals A group of 2 or more atoms that act like 1 atom
Binary compound chemical compound that contains exactly two different 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-rate at which the position of an object changes
distance the length of the path between 2 positions 4.
constant speed speed that does not change
Created by: Nikki7978
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