Looks like no one added any tags here yet for you.
Matter
Anything that has mass and occupies space.
Mass
A measure of the amount of matter in an object.
Particles of Matter
Tiny building blocks such as atoms that make up matter.
Evaporation
The process of a liquid turning into vapor at any temperature below its boiling point.
Diffusion
The mixing of a substance with another due to the movement of its particles.
Kinetic Energy
The energy possessed by an object due to its motion.
Plasma
The fourth state of matter, consisting of ionized gas with free electrons and ions.
Bose-Einstein Condensate
A state of matter formed at extremely low temperatures, predicted by Albert Einstein and Satyendra Nath Bose.
Melting Point
The temperature at which a solid becomes a liquid.
Boiling Point
The temperature at which a liquid turns into a gas at atmospheric pressure.
Latent Heat
The heat energy required to change a substance from one state to another without changing its temperature.
Sublimation
The transition of a substance directly from solid to gas without becoming liquid.
Deposition
The change of state from gas to solid without passing through the liquid phase.
Compressibility
The measure of how much a substance can be compressed.
States of Matter
The distinct forms that different phases of matter take on, commonly solid, liquid, and gas.
Inter-particle forces
Forces that act between particles in a substance.
Constant Motion
The idea that particles of matter are always in motion.
Observation
The act of noticing or perceiving something.
Characteristics of Particles of Matter
They are very small, 2) Have space between them, 3) Are constantly moving, 4) Attract each other.
Physical Properties
Characteristics that can be observed without changing the substance's chemical composition.
Chemical Properties
Characteristics that become evident during a chemical reaction.
Temperature
A measure of the average kinetic energy of the particles in a substance.
Humidity
The amount of water vapor in the air.
Surface Area
The total area that the surface of an object occupies.
Cooling due to Evaporation
The process where the evaporation of liquids causes a decrease in temperature of the remaining liquid.
Condensation
The process of a gas turning into a liquid.
Pressure
The force applied perpendicular to the surface of an object per unit area.
Damp Clothes
Clothes that contain a certain level of moisture and require evaporation to dry.
Observation Lesson
A lesson that emphasizes learning through experience and observation.
Physical state change
Alteration of a substance's state from solid, liquid, or gas.
Energy Absorption
The gaining of energy needed for a chemical or physical change.
Room Temperature
The range of air temperatures that people prefer for indoor settings.
Molecular Motion
Movement of particles in different states of matter.
Natural Plasmas
Plasmas that occur naturally, like in stars.
Man-Made Plasmas
Plasmas that are created artificially, such as in neon signs.
Force of Attraction
The force that pulls particles of the same substance together.
Flowing Liquids
Liquids that can slip and slide past each other.
Example of Diffusion
The spreading of a perfume fragrance in air.
High Speed Movement
Movement of gas particles in all directions at a rapid pace.
Variables Affecting Evaporation
Factors such as temperature, humidity, surface area, and wind speed that influence evaporation rates.
Particles far apart
The arrangement of particles in gases.
Heat energy transfer
The process of heat moving from one object to another.
Fluid pressure
Pressure exerted by fluids in equilibrium.
Fixed shape
Characteristic of solids, meaning their shape does not change.
Takes the shape of the container
Characteristic of liquids, meaning they adapt to the shape of their surroundings.
Example of boiling
The conversion of water from liquid to steam at its boiling point.
Experiments in Science
Activities designed to test hypotheses and observe outcomes.
Conductivity
The ability of a material to conduct electricity or heat.
Thermal Expansion
The tendency of matter to change in volume in response to a change in temperature.
Transpiration
The process by which moisture is carried through plants and released as vapor.
Filtering
The process of removing impurities from a liquid or gas.
Gas Diffusion
The process through which gas particles spread out from areas of high concentration to areas of lower concentration.
Energy Transfer
The movement of energy from one place or object to another.
Dry Ice
Solid carbon dioxide that sublimates into carbon dioxide gas.
Cubic Metre
The SI unit of volume.
Kilogram
The SI unit of mass.
Litre
A common unit of measuring liquid volume.
Pressure and Temperature relationship
The dependence of the physical state of matter on pressure and temperature.
Example of sublimation
Dry ice turning into gas without melting.
Evaporation vs. Boiling
Evaporation occurs at any temperature, while boiling occurs at a specific boiling point.
Evaporation Causes Cooling
Evaporation absorbs heat from the surroundings, resulting in a cooling effect.
Particles occupy space
The concept that particles in matter are separated by spaces.
Disorderly arrangement
The arrangement of gas particles which is random and chaotic.
Cryogenics
The study of the production and behavior of materials at very low temperatures.
Kinetic Molecular Theory
A theory that explains the behavior of gases in terms of particles in motion.
Thermal Energy
The total energy of all particles in a substance.
Phases of matter
The different forms in which matter can exist: solid, liquid, gas, and plasma.
Room Pressure
The average atmospheric pressure experienced at ground level.
Vacuum
A space devoid of matter, where pressure is lower than atmospheric pressure.
Clarifying Cold Drinks
The process used in houses to make cold drinks more appealing.
Thermal Conductor
A material that allows heat to flow through it easily.
Energy and Matter Interaction
How energy being absorbed or released interacts with matter.
Behavior of gases
How gases react under different conditions of pressure and temperature.
Temperature Measurements
Methods used to quantify temperature including Celsius and Kelvin.