Vocabulary

• have to: Must do
• write down: To record in writing
• used to: Did regularly before, but don't do now
• call on: To order or ask someone to do a specific activity
• in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
• in practice: In reality or actual use; as opposed to in theory.
• instead of: When one thing is replaced by another
• at the most: No more than; maximum amount or degree.
• literally: In a literal manner or sense; exactly as stated.
• essentially: Basically; (said when stating the basic facts)
• practice: The office and place for legal or medical work
• matter: To be of great importance; to count
• negative: The opposite to a positive electrical charge
• exact: Completely correct; accurate; specific
• fundamental: Forming a necessary part, base, or core
• existence: State of being present, alive or real
• definition: Explanation of word's meaning, as in dictionaries
• field: Area of study, such as physics or biology
• spontaneously: In a sudden, unplanned way
• state: Region within a country, with its own government
• universe: All of space that contains planets and stars
• principle: Moral rule or belief governing a person's behavior
• identical: The same in every way
• cram: To add more to something that is already full
• inhale: To breathe in something like air or smoke
• produce: Fresh foods such as fruits and vegetables
• place: To put someone in a particular type of situation
• kind: In a caring and helpful manner
• fact: Something that is known or proved to be true
• breathe: To move air into and out of your lungs
• build: Your physical shape; physique
• particle: Adverb or preposition that joins with a verb
• point: An item to be discussed
• quantum: The smallest unit or amount of energy
• despise: To have no respect whatsoever for a person/thing
• basic: At the most important or easiest (beginner) level
• remember: To give someone a gift, e.g. birthday, wedding
• rule: Something that is normal and usually happens
• space: Empty area kept for a specific reason, like a car
• deep: Complex and important
• forbid: To order someone not to do something
• understand: To know the meaning of language, what someone says
• whim: A sudden thought or desire; a fancy
• prohibit: To make something impossible
• case: Container used to carry things, e.g. clothes
• perfectly: In a faultless manner; without mistakes
• summon: To order someone to come, e.g. to a court of law
• level: Specific height of something
• outward: Going away from a place that will be returned to
• anti: A prefix meaning 'against' or 'opposed'
• alike: Equally; applied equally to several people/things
• exclusion: Act of preventing someone from taking part
• arithmetic: Math of adding, subtracting, dividing, multiplying
• sprawl: To spread out in an uncontrolled way
• annihilate: To completely destroy, or get rid of, by force
• electron: A negatively charged particle
• quark: One of the smallest amounts of physical matter
• neutrino: Tiny particle with no electrical charge