Vocabulary

• on earth: Used to emphasize a question expressing surprise or anger.
• in the ground: Located within or beneath the surface of the earth.
• in the air: Present or circulating in the atmosphere.
• for free: Without charge; at no cost.
• instead of: When one thing is replaced by another
• have to: Must do
• in ways: In a manner or by methods that.
• make up: To invent or create a story
• back down: To admit you were wrong; stop claiming
• stay in: To remain inside one's home.
• as long as: For the period that; provided that.
• used to: Did regularly before, but don't do now
• in a nutshell: As a summary; including the main points concisely
• in the world: Used to emphasize a question expressing surprise, confusion, or disbelief.
• suck in: To inhale or draw something into the mouth or lungs.
• at night: During the night; in the nighttime.
• used up: To use all of; consume
• almost all of: Nearly the entire quantity or number of something.
• come from: To have as your native country or city
• spread out: To extend or stretch over a large area.
• a mirror image: An image that is identical but reversed, like a reflection in a mirror.
• reach down: To extend one's arm downwards in order to grasp or touch something.
• move into: To start living in a new house or building
• break even: To neither make a profit nor a loss
• slip away: To leave a place quietly or secretly, often to avoid attention.
• in return: As a reciprocal action or gesture; in exchange or repayment.
• change hands: To pass from one owner to another.
• stuff: Generic description for things, materials, objects
• incredibly: To a great degree; very; amazingly
• massive: Very big; large; too big
• material: Cloth; fabric
• stretch: To make your arm, leg muscles long to ease them
• thrive: To be or become healthy or successful
• extreme: Very great in degree
• evolve: To develop certain features
• sense: Certain mental feeling or emotion
• brilliant: Having a great amount of intelligence or talent
• interpret: To express so that others understand it
• atmosphere: Air around us
• complex: Group of buildings all used for the same purpose
• intricate: Very detailed or difficult to untangle
• gravity: (Of a situation) extreme seriousness
• rare: (Of meat) cooked, but still red and juicy
• reach: To come to or arrive at a goal or destination
• tiny: Very, very small
• glucose: Natural type of sugar found in fruits and plants
• transparent: Being open to see and to public criticism
• huge: Very very large
• dense: Very thick and difficult to see, get through
• ground: To break (coffee, etc.) into tiny bits with machine
• visual: Of or relating to vision
• oxygen: A gas in the air that we need to breathe
• trade: A specific industry, e.g. shoe making
• invisible: Being unable to be seen
• dissolve: To cause something to end
• produce: Fresh foods such as fruits and vegetables
• layer: One of several sheets of a material or object
• soil: Conditions in which something develops
• energy: Physical or mental strength
• nutshell: Shell that surrounds the kernel of a nut
• command: To be able to see far from a certain location
• brink: Near to happening; on the verge of
• carbon: Chemical element with an atomic number of 6
• algae: Green organisms that live in still water
• forge: To create something by hammering hot metal
• single: One run in cricket or a hit baseball
• learn: To get knowledge or skills by study or experience
• harvest: Gathering crops from the fields; the crops
• fungus: Plant, e.g. mushroom/mold, growing in damp places
• build: Your physical shape; physique
• vapor: Tiny droplets or pieces of some substance spread thinly throughout the air
• hydrogen: Lightest of all chemical elements
• fill: To make something full
• respiration: Taking air in and out of the lungs; breathing
• grow: To get bigger and more mature; make plants do this
• hide: To go to, or put a thing where it can't be found
• edition: Form in which a book, magazine etc. is released
• ultra: Prefix that denotes a lot of something; extreme
• mining: To place a bomb in the ground or the sea
• world: All the humans, events, activities on the earth
• check: Paper showing how much you owe at a restaurant
• problem: Something difficult to deal with or causes trouble
• clear: Empty; without anything in it or on it
• work: The product of some artistic or literary endeavor
• traverse: To pass across, over, or through
• fungal: Concerning fungi
• sensor: Device that detects movement or physical stimuli
• phosphorus: Yellow chemical that burns in contact with the air
• cubic: Measurement of the length, width, and height