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Vocabulary

QuestionAnswer
what does thermal energy mean The kinetic energy of the moving particles in a substance an object.
what does solid mean something that is really hard.
what does liquid mean something that is wet.
what does gas mean something that you use for cars and something that you use to move things.
what does plasma mean A state of matter made up of charged atoms, uncharged atoms, and free electrons.
what does colloid mean A mixture that contains particles that are too small to see.
what does phase change mean when the moon goes around the earth and it has different types of moon phases.
what does particles mean A particle is a minute fragment or quantity of matter. In the physical sciences, a particle is a small localized object to which can be ascribed several physical or chemical properties such as volume or mass.
what does metaling point mean The temperature at which a substance changes from a solid to a liquid.
what does freezing point mean The temperature at which a liquid changes into a solid; the same temperature as the melting point.
what does boiling point mean Physics, Chemistry. the temperature at which the vapor pressure of a liquid is equal to the pressure of the atmosphere on the liquid, equal to 212°F (100°C) for water at sea level.
what does evaporation mean The process by which a liquid changes into a gas.
what does Condensation mean The process by which water vapor changes into liquid water.
what does volume mean The amount of space something takes up.
what does mass mean The amount of matter something has.
what does density mean The amount of mass something has in relation to its volume
what does pure substance mean A material that is composed of only one type of particle; examples of a pure substance include gold, oxygen and water.
what does atom mean the smallest unit of am element that still has the properties of that element
what does Molecule mean is the smallest particle in a chemical element or compound that has the chemical properties of that element or compound.
what does element mean a substance made up of only one kind of atom
what does compound mean a substance made up of atoms of two or more elements that are chemically combined.
what does extended structure mean Two things that are going together
what does physical change mean are changes affecting the form of a chemical substance, but not its chemical composition.
what does chemical change mean a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance.
what does natural changes mean they change naturally by there self not someone else change it
what does Synthetic material mean it is not natural it is made by a person and it is a material that we use
Created by: _.qxeen.angel._