Vocabulary

• from scratch: From the very beginning; from nothing.
• goes well: To happen in the way desired
• on and off: Intermittently; not continuously.
• burn out: To overwork to mental or physical exhaustion
• by hand: Done manually; not by machine.
• by virtue of: By reason of; because of.
• instead of: When one thing is replaced by another
• used to: Did regularly before, but don't do now
• prior to: Before a particular time or event.
• along with: In addition to; together with.
• due to: Because of; owing to
• material: Cloth; fabric
• ingredient: Food item used when making a meal or drink
• routine: Happening or done regularly or habitually
• experience: Thing a person has done or that happened to them
• impact: A striking effect or result to hit with force
• prone: Lying flat with your head facing the ground
• spectrum: The wavelengths of colors from red to violet
• convince: To persuade someone, or make them feel sure
• scratch: To rub your skin with your nails to stop an itch
• catastrophic: Causing a lot of damage or suffering
• motivation: Reason behind why someone did something
• consumption: The act of buying and using products
• compound: Series of buildings that are walled or fenced off
• significantly: In a way that is important or noticeable
• toxic: Poisonous; harmful
• feature: Special report in a magazine or paper
• estimate: Guess or calculation of cost, size or value
• efficient: Able to produce results without waste
• appeal: Ability to attract interest, attention, or desire
• remote: Being far away from people, towns, etc.
• virtue: Benefit, advantage, or good result of something
• plague: To cause to have continual problems with something
• generate: To create or be produced or bring into existence
• aid: To help others and provide things
• create: To make, cause, or bring into existence
• switch: A change or shift from one method to another
• prior: Existing or coming earlier in time
• lead: Wire for electricity, computer, etc.; cable
• invisible: Being unable to be seen
• extensive: Large; full or complete
• race: Speed contest between people, animals or vehicles
• prove: To demonstrate truth by providing evidence
• dioxide: An oxide containing two oxides per molecule
• emit: To release or send out (a gas, etc.)
• breakthrough: Important discovery in doing something difficult
• promise: To say you will certainly do something
• solar: Concerning the sun, or its heat
• pollution: Dangerous substances released into an environment
• mercury: Silver-white metal that is used in thermometers
• start: First time or place that a thing exists; beginning
• bulb: A round electronic device that produces light
• human: A person; a man, woman or child
• fluorescent: Having the property of fluorescence; brightly lit
• problem: Something difficult to deal with or causes trouble
• light: To cause something to burn; put a burning match to
• warm: To become more friendly or to like something
• favorable: When a good result or positive outcome is likely
• need: To be unable to manage without something; require
• call: A order or request for action
• power: Legal or official right to perform certain actions
• small: Little in size; not big
• filament: Thin thread, hair or wire
• color: To change or affect someone's opinion
• diode: Device allowing current flow in one direction only