Vocabulary

• pass through: To experience something, often unpleasant or difficult.
• spread out: To extend or stretch over a large area.
• such as: For example; like
• in phase: Occurring at the same time or in a synchronized manner; having matching cycles.
• on the contrary: In contrast; from the opposite standpoint
• significant: Large enough to be noticed or have an effect
• phenomenon: Unusual event, fact that can be studied
• demonstrate: To display a feeling or ability openly
• pattern: Model to follow in making or doing something
• encounter: To come up against a problem or trouble; meet
• interfere: To get involved in something not your business
• amount: Quantity of something
• complex: Group of buildings all used for the same purpose
• spread: A big meal, often laid out as a buffet
• obstacle: Object that blocks a path or course
• presentation: Act of giving a formal talk about something
• intricate: Very detailed or difficult to untangle
• occur: To come to pass or to happen
• proximity: State of being near or close to something
• valuable: Being useful or important
• contrary: (Of weather) difficult; likely to cause trouble
• principle: Moral rule or belief governing a person's behavior
• observe: To celebrate a particular holiday/religious event
• create: To make, cause, or bring into existence
• destructive: Causing a very large amount of damage
• produce: Fresh foods such as fruits and vegetables
• phase: Different stages of the moon from new to full
• source: Piece of information; a person giving information
• narrow: Not wide; short from one side to the other
• depend: Be controlled or determined by (someone/something)
• sound: Sensible, dependable and reliable
• bend: To become curved or no longer straight
• simple: Not hard to understand or do; not complex
• constructive: Having positive effective results
• relative: Measured or considered in comparison to another
• delve: To search, especially as if by digging, in order to find a thing or information
• point: An item to be discussed
• alternate: To follow one thing after another repeatedly
• screen: To hide or block something from being seen
• great: Very good; better than before
• make: To arrange or prepare something e.g. dinner
• include: To make someone, something part of a group
• world: All the humans, events, activities on the earth
• electromagnetic: Having magnetic and electrical parts
• less: Smaller in amount or degree
• interference: Unwanted involvement in the concerns of others
• light: To cause something to burn; put a burning match to
• meet: To provide something that is necessary
• calculate: To find an answer using mathematics
• slit: To make a narrow cut
• add: To include as well
• wavelength: To have similar feelings
• aperture: Hole or opening controlling e.g. light on a lens
• diffraction: Bending light, etc. around something/through a hole