Vocabulary

• in the air: Present or circulating in the atmosphere.
• such as: For example; like
• light up: To illuminate something; to make something brighter with light.
• up in the air: Not yet decided or resolved; uncertain.
• due to: Because of; owing to
• some time ago: At a point in the past; not recently.
• subscribe: To regularly pay to receive a service
• significant: Large enough to be noticed or have an effect
• situation: Place, position or area that something is in
• slightly: Only a little
• positive: Showing agreement or support for something
• current: Electricity flowing through wires
• amount: Quantity of something
• comment: Something you say, giving an opinion; remark
• property: Particular quality that someone or something has
• concentrate: To cause to be present in large amount or number
• component: One of the parts that something is made up of
• absorb: To take up all attention / energy of something
• affect: To cause a change in something else
• similar: Nearly the same; alike
• practically: Nearly, almost, or in effect
• cause: Belief, goal or organization that people support
• form: Sports team or person's current winning record
• dense: Very thick and difficult to see, get through
• effect: An advantage, benefit
• release: To free someone from a responsibility or burden
• rub: To spread a cream, etc., using a repeated motion
• universal: Existing in all places at all times for all people
• transition: Change from one state, movement, place to another
• film: Thin layer that covers something
• due: When something is required or expected
• construction: Act of building something; thing that is built
• vacuum: Space with absolutely no air in it
• emergency: Sudden event needing an immediate action
• dissolve: To cause something to end
• cure: Something that solves a problem or makes it better
• belief: Being sure that something exists or is true
• react: To change when mixing with other chemicals
• placebo: Harmless pill for comparison in trial of new drug
• dioxide: An oxide containing two oxides per molecule
• emit: To release or send out (a gas, etc.)
• forge: To create something by hammering hot metal
• support: To give assistance or advice to someone
• piece: A counter in a board game
• hydrogen: Lightest of all chemical elements
• melt: To disappear or to go away
• build: Your physical shape; physique
• protect: To defend someone or something from harm or danger
• density: Degree to which an area is filled or covered
• product: Item that can be bought
• wear: To have clothes, glasses, shoes etc. on your body
• explosion: Loud and sudden expression of emotion
• ceramic: Made from clay and hardened in a very hot oven
• burn: To destroy with fire
• group: Two or more musicians who play music together
• powder: Dry material made up of small powder-like pieces
• combustion: An act or instance of burning
• bracelet: Chain or band worn around the wrist
• titanium: Light, extremely strong, whitish silver metal
• oxidation: Process of combining with oxygen
• externally: On or from the outside
• oxide: Compound from combining oxygen with a chemical
• hulk: Large object, e.g. a boat
• overheat: To become too hot
• zirconium: White crystalline oxide; used in insulation