Vocabulary

• used to: Did regularly before, but don't do now
• smart phone: A mobile phone with advanced computing capability and connectivity.
• set to: To energetically begin to do, e.g. making a fire
• in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
• rather than: More exactly; more correctly
• in the ground: Located within or beneath the surface of the earth.
• crucial: Extremely important or necessary
• common: Area in a city or town that is open to everyone
• sense: Certain mental feeling or emotion
• toxic: Poisonous; harmful
• pressure: Anxiety caused by difficult problems
• crust: Hard outer layer of something, e.g. the earth
• rare: (Of meat) cooked, but still red and juicy
• handful: an amount of something that can be held in one hand; small quantity or amount of people or things
• reach: To come to or arrive at a goal or destination
• extract: Essential ingredient of a natural thing
• population: Number of people who live in a country, area etc.
• planet: One of the bodies that orbit the sun
• democratic: (Of government) giving the people power, a vote
• ground: To break (coffee, etc.) into tiny bits with machine
• record: Highest or most extreme level achieved
• element: Essential or particular part of something
• produce: Fresh foods such as fruits and vegetables
• raw: Being uncontrolled or strong, as your emotions
• source: Piece of information; a person giving information
• ensure: To make something sure, certain, or safe
• fact: Something that is known or proved to be true
• chain: To feel to be bound or tied to
• connect: To associate a thing with something else
• finite: Having limits; lasting for a limited time
• dig: To move material to create a hole
• screen: To hide or block something from being seen
• set: Prepared for something; ready
• wire: Thin, flexible thread of metal
• supply: Availability of products and services for use
• hard: Difficult to do; difficult to understand
• metal: Usually hard shiny material mined from rock
• refine: To change slightly in order to improve it
• world: All the humans, events, activities on the earth
• human: A person; a man, woman or child
• country: An area of land that is controlled by a government
• vibrate: To shake side to side quickly in small movements
• elementary: Basic, simple, or essential
• mine: That thing that belongs to me
• touch: To affect feelings, especially by causing sympathy
• earth: Wire connecting an electrical device to the ground
• lithium: Soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
• radioactive: Emitting harmful energy from nuclear activity
• globally: Throughout the world
• unstable: (Of a chair, etc.) likely to move, fall etc.
• silicon: Mineral used in making steel and computer parts
• dangerously: In a dangerous way; so that someone could be hurt