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Absolute zero
The lowest possible temperature, 0 Kelvin or approximately -273 degrees Celsius.
Abundant
Something which is plentiful or exists in large quantities.
Acceleration
Rate of change of velocity, often expressed in m/s².
Acid
A molecule capable of donating a positively-charged hydrogen ion or forming a covalent bond by donating an electron pair.
Adhere
To stick completely on a surface.
Aerobic respiration
The process of glucose breakdown in the body of an animal for supplying muscles with oxygen.
Altitude
The vertical distance between an object and the ground or sea level.
Analyze
To examine something in detail.
Anecdote
A story told based on past experiences.
Anticipate
To predict an event or a result based on current events or past experiences.
Assert
To state a fact or belief with authority and confidence.
Burgeon
For something to grow or increase rapidly.
Attribute
A feature or property regarded as a part of something or someone.
Characteristic
Something commonly a feature or a quality of a person, place, or thing.
Carbohydrate
An organic compound containing carbon, hydrogen, and oxygen at a ratio of 1:2:1.
Catalyst
A substance which speeds up a chemical reaction but does not change the outcomes.
Chlorophyll
The green pigment present in plants that captures light energy for photosynthesis.
Coherent
Logical and consistent with preceding arguments, theories, or policies.
Correspond
To agree or correlate with; to communicate by exchanging messages.
Combustion
A high-temperature reaction involving a fuel and an oxidant, commonly associated with burning.
Compose
To be a part of or to make up something.
Compressibility
A measure of how easily the volume of matter can be reduced by pressure.
Conduction
The transmission of energy like heat or electricity.
Conductivity
An attribute of a material that specifies efficiency in transferring energy.
Conductor
A material that offers minimum resistance to the flow of heat or electricity.
Contour
The outline that represents the bounding shape of an object.
Consecutive
Something followed in an unbroken or continuous sequence.
Contradict
To assert the opposite or deny the truth of a statement.
Correlate
To have a mutual relationship or connection between two or more things.
Critical
Expressing harsh or disapproving comments about something.
Decelerate
To slow down or to reduce the speed of a moving body.
Deposition
A substance that is naturally deposited somewhere.
Determine
To find the exact cause or explanation of an event or phenomenon.
Diffusion time
The amount of time for molecules or atoms to spread from high to low concentration.
Distinguish
To treat or recognize something as different.
Dissoluble
Something that can be dissolved into another liquid or solution.
Ecology
The field of science concerned with relationships between organisms and their environments.
Efficient
Able to accomplish a task without wasting resources.
Electron
A fundamental part of an atom that is negatively charged.
Emit
To discharge, typically in the context of heat, light, or radiation.
Emerge
To become obvious or more prominent.
Emulsion
A state where one liquid is suspended in another without dissolving.
Engage
To involve someone or something in an event or discussion.
Equilibrium
A state where all constituents of a system are in balance.
Erode
The process of air or water flow removing soil or rock from one location to another.
Evolve
To develop something gradually from a simpler to more complex form.
Exhibit
To make property or a skill visible or apparent.
Endothermic
A process that absorbs heat from its surroundings.
Ectothermic
A process that relies on external heat sources to regulate body temperature.
Fermentation
The chemical process of breaking down substances into simpler ones.
Friction
A force acting between two solid surfaces that resists their relative motion.
Fuse
To join two different objects together.
Gauge
To estimate or measure a property.
Given
Information that is specified or stated.
Habitat
An area where an organism naturally lives.
Herbivore
An animal that exclusively eats plants.
Humidity
The measurement of water vapor present in the air.
Hypothesis
A tentative theory that tries to explain certain facts or phenomena.
Imminent
An event close to happening.
Incendiary
Something causing conflicting arguments; designed to propagate fires.
Incremental
A quantity gradually increasing with discrete additions.
Indigenous
Something naturally existing in a certain area.
Infer
To deduce a conclusion not explicitly written.
Infrared radiation
Electromagnetic waves with wavelengths longer than visible light.
Impervious
Something immune to change from another thing.
Insoluble
Something that cannot be dissolved into another liquid.
Insulator
A substance that resists the transfer of heat or electricity.
Interval
A deterministic period between two activities or instants.
Ion
A molecule or atom with a positive or negative charge.
Kinetic energy
The energy of motion of an object.
Latter
The second of two previously stated items.
Mass
A measure of the amount of matter or energy present in a body.
Neutron
A fundamental part of an atom with no charge.
Notion
A belief, impulse, or desire about something.
Obsolete
Something no longer of use or has a viable replacement.
Organic matter
Carbon-based compounds found within natural environments.
Osmosis
The process of liquid moving through a semipermeable membrane.
Omit
To exclude information intentionally or forgetfully.
Precipitation
Phenomena of any form of water falling to the ground.
Parasite
An organism that feeds off another organism for survival.
pH
A scale that specifies the concentration of hydrogen ions in a solution.
Photosynthesis
The process used by plants to convert carbon dioxide and water into glucose.
Precede
An event that occurs before another event in time.
Principle
Something forming the foundation of a system or behavior.
Proficient
Well versed and skilled in using something.
Prolong
To increase the duration or physical space of an event.
Proportionality
The relationship between two distinct quantities.
Protein
A compound made up of amino acids forming structural components of the body.
Proton
A fundamental part of the atom that is positively charged.
Radioactive decay
A process by which an atom spontaneously decays into another.
Redundant
Information no longer needed, typically because it has been previously stated.
Relevant
Information that is related or appropriate to the subject.
Residual
Remaining parts after an activity has been done.
Solution
A mixture of two or more substances that is homogeneous.
Specific gravity
The ratio of the weight of one substance to that of another.
Starch
A complex carbohydrate forming the energy supply in many vegetables.
Substrate
A substance acted upon by an enzyme.
Trial
Testing the performance or result of an experiment.
Uniform
Something showing the same form or manner without variation.
Variable
A factor meant to be changed in an experiment.
