Vocabulary

• on board: Being on a ship, plane, or other vehicle
• into the stratosphere: To rise rapidly to a very high level or amount.
• spread around: To distribute something to a wide area or to many people.
• into space: Toward or entering the region beyond Earth's atmosphere.
• in the past: During a former period of time; previously.
• earth up: To pile soil around plants or stems for support or protection.
• work together: To collaborate or cooperate with others to achieve a common goal.
• argue against: To present reasons or evidence to oppose a particular idea, plan, or action.
• hand on: To pass or transfer something physically to someone else.
• as things stand: In the present situation; as matters currently are.
• in another way: Using a different method or approach.
• of course: Sure ; Certainly
• in the air: Present or circulating in the atmosphere.
• intense: Very strong, great or extreme in degree
• extraordinary: Beyond what is ordinary; very unusual; remarkable
• incredibly: To a great degree; very; amazingly
• phenomenon: Unusual event, fact that can be studied
• controversial: Causing a great deal of argument, or conflict
• concept: Abstract idea of something or how it works
• potentially: That could happen or become reality
• climate: Typical weather conditions in a particular place
• atmosphere: Air around us
• complex: Group of buildings all used for the same purpose
• spread: A big meal, often laid out as a buffet
• explore: To examine something in detail to learn about it
• imagine: To think creatively about; form mental picture of
• exploit: To selfishly take advantage of or treat badly
• reflect: To indicate or be a sign of something
• mimic: Someone who tries to act like another person
• concentration: Amount or number of something in a thing or place
• affect: To cause a change in something else
• substitute: To perform the tasks instead of someone else
• suffer: To experience pain, illness, or injury
• reach: To come to or arrive at a goal or destination
• cause: Belief, goal or organization that people support
• region: Part of a country, of the world, area, etc.
• radical: Person who believes in extreme political change
• board: Surface for posting or showing information
• counter: To say or do something in opposition or resistance
• theoretically: As regards ideas that could be true
• unexpected: Surprising because it was not expected
• drought: Long period of dry weather
• produce: Fresh foods such as fruits and vegetables
• supplement: Added extra to support or make something complete
• dioxide: An oxide containing two oxides per molecule
• carbon: Chemical element with an atomic number of 6
• sign: Indication that something exists or will happen
• accord: Agreement or harmony
• uncertainty: Feeling of not really knowing what will happen
• chemistry: The study of the structure of substances
• continue: To do something without stopping, or after pausing
• argue: To fight or disagree over something
• proposal: Act of asking someone to marry you
• lot: What happens to a person in life from chance; fate
• solar: Concerning the sun, or its heat
• rise: To wake up and get out of bed after sleeping
• complacent: Unconcerned, self-satisfied
• assembly: Process of putting the parts of something together
• thermostat: Instrument that controls temperature in buildings
• change: To exchange one set of clothes for another
• grow: To get bigger and more mature; make plants do this
• mount: To attach something to something else
• world: All the humans, events, activities on the earth
• international: Of or relating to several countries
• earth: Wire connecting an electrical device to the ground
• strong: (Of tea or beer) dark or thick
• put: To move or place a thing in a particular position
• politic: Careful what you say; diplomatic