Vocabulary

• such as: For example; like
• also known as: Also called; alternatively named.
• as well as: Also; in addition to
• arrive at: To reach a place, especially at the end of a journey.
• on the other hand : Considering a different aspect of the matter; alternatively.
• analogous to: Comparable in certain respects, typically in a way that clarifies the nature of the things compared.
• the following: Next in order or sequence.
• in terms of
• in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
• as with: In the same way that something happens or is true of something else.
• lead to: To result in some action
• best known: Most widely or popularly recognized, famous, or familiar.
• process: To organize and use data in a computer
• content: Being happy or satisfied
• present: Being in attendance; being there; having turned up
• evidence: Factual proof that helps to establish the truth
• positive: Showing agreement or support for something
• presence: The same place or area that a person is
• tend: To move or act in a certain manner
• common: Area in a city or town that is open to everyone
• develop: To explain something in steps and in detail
• familiar: Well-known or easily recognized
• expect: To believe something is probably going to happen
• variety: Particular type of thing or person
• atmosphere: Air around us
• capable: Being able to do something very well; proficient
• molecule: Two or more atoms chemically combined
• exist: To be present, alive or real
• component: One of the parts that something is made up of
• spontaneously: In a sudden, unplanned way
• similar: Nearly the same; alike
• optimal: Best or most desirable; best possible
• synthetic: Not natural; made from artificial materials
• cause: Belief, goal or organization that people support
• preserve: To cook food so it can be kept for long periods
• form: Sports team or person's current winning record
• survey: Broad view or general description of something
• mass: Religious ceremony in some Christian churches
• lead: Wire for electricity, computer, etc.; cable
• civilization: A highly developed society
• oxygen: A gas in the air that we need to breathe
• organic: Developing naturally and without a set structure
• shape: The outer form of something, what it looks like
• investigate: To try to find out facts; to carry out research
• depth: Distance below a surface
• react: To change when mixing with other chemicals
• exceptionally: In an extremely and unusually good way
• utility: Public services such as gas, water, or electricity
• dioxide: An oxide containing two oxides per molecule
• pyramid: Four-sided structure with sides meeting at the top
• important: Having power or authority
• fact: Something that is known or proved to be true
• simple: Not hard to understand or do; not complex
• chemistry: The study of the structure of substances
• fertilizer: Substance added to soil to help plants grow
• active: Moving around a lot or doing many things
• melt: To disappear or to go away
• laboratory: A place to do scientific experiments
• medication: Substance to relieve pain or cure sickness
• laugh: To make a happy sound when something is funny
• nitrogen: A colorless chemical element without a smell
• surprisingly: In an unexpected manner; to an unexpected degree
• depletion: Reducing the amount, strength or number of
• powder: Dry material made up of small powder-like pieces
• cage: Box made of wire or metal bars, e.g. for a bird
• stabilize: To make stable/consistent, with no major changes
• radius: Area around a certain point
• sulfur: Smelly yellow chemical often found near volcanoes
• flammable: Burning quickly and easily
• toxicity: Quality or degree of being poisonous
• oxidation: Process of combining with oxygen
• phosphorus: Yellow chemical that burns in contact with the air
• arab: Citizen of an Arabic speaking nation
• arsenic: Strong poison used as insecticide, etc.
• oxide: Compound from combining oxygen with a chemical
• ammonia: Colorless liquid or gas used in cleaning products
• analogous: Similar and comparable to
• biochemistry: Science of chemical processes in living things
• valence: Relative capacity that interact with antigens