Vocabulary

• on average: Typically; usually; based on an average calculation.
• for example: As an illustration or instance.
• have to: Must do
• warm up: To gently exercise muscles before doing sport
• cool down: To become cooler; to reduce in temperature.
• around the world: In or to many countries.
• in the process of: During the course of; while something is happening or being done.
• pass from: To be transferred or transmitted from one person or thing to another.
• consists of: Is made up or composed of.
• due to: Because of; owing to
• rule in: To make an official decision in favor of someone in a legal case.
• cool off: To become cooler.
• think about: To consider something carefully.
• on to: Toward something; forward
• speed up: To move more quickly
• arrive at: To reach a place, especially at the end of a journey.
• figure out: To understand the behavior of someone
• in the past: During a former period of time; previously.
• deal with
• for one thing: Used to introduce a reason for something.
• in the long run: Eventually; over a long period of time.
• result in: To cause or produce as a consequence.
• in order to: For the purpose of; with the aim of.
• to do with: To be about something; concern
• off balance: In a state of being unsteady or unstable; lacking equilibrium.
• susceptible: Likely to fall prey to, be drawn to or influenced
• metabolism: Chemical processes to convert food to energy
• average: Total of numbers divided by the number of items
• tend: To move or act in a certain manner
• unprecedented: Not having happened before, or to such a degree
• describe: To tell the appearance, sound, smell of something
• decline: To bend towards the ground
• measure: Plan to achieve a desired result
• pressure: Anxiety caused by difficult problems
• increase: To make or become larger in size or amount
• shrink: To become smaller
• occur: To come to pass or to happen
• hypothesis: A theory trying to explain something
• maintain: To keep saying something a certain way
• adapt: To change something for a different function
• prey: To hunt (other animals) in order to eat them
• surface: To give (road) a top layer
• population: Number of people who live in a country, area etc.
• principle: Moral rule or belief governing a person's behavior
• hemisphere: One half of a rounded, ball-like object
• generation: Act or process of producing or causing something
• rate: To assess something or consider its qualities
• ecosystem: Types of plants and animals in an specific area
• extinction: When every example of animal, plant is dead
• dip: To decrease or lower temporarily
• analyze: To study carefully to find out the meaning of
• shape: The outer form of something, what it looks like
• magnitude: Number representing force of an earthquake
• fall: Season after summer and before winter; Autumn
• drought: Long period of dry weather
• plastic: Stiff but usually flexible man-made material
• ratio: The relationship in relative size, etc.
• notice: To become aware by sight, touch, or hearing
• broad: General; not detailed
• tune: To make adjustments to equipment to make it better
• survival: Act of continuing to exist when facing difficulty
• temperature: When you your body heat is above normal
• conserve: To save or protect something
• melt: To disappear or to go away
• migrate: To move from one country or place to live or work
• change: To exchange one set of clothes for another
• adulthood: Time of life when a person is fully grown
• make: To arrange or prepare something e.g. dinner
• fast: In a way that is difficult to move or change
• noticeable: Being easy or likely to be sensed or noticed
• start: First time or place that a thing exists; beginning
• hold: To agree to keep something for someone
• world: All the humans, events, activities on the earth
• meticulously: In a very careful, correct way
• life: All the living things e.g. animals, plants, humans
• believe: To think or accept that something is true
• precipitation: Material that falls from sky; rain, snow or hail
• cube: Solid object that has six square sides