Vocabulary

• think about: To consider something carefully.
• in general: Typically; usually; on the whole.
• bob up: To rise quickly to the surface of water or another liquid.
• back up: To save a copy of your computer data
• work out
• name for: To give someone or something a particular name, often in honor of someone else.
• phenomenon: Unusual event, fact that can be studied
• period: Set amount of time during which events take place
• spectrum: The wavelengths of colors from red to violet
• general: Widespread, normal or usual
• community: Group of people who share a common idea or area
• strike: To hit something
• position: Person's opinion or attitude about something
• express: To send something by fast mail
• imagine: To think creatively about; form mental picture of
• measure: Plan to achieve a desired result
• suppose: To imagine or guess what might happen
• reflect: To indicate or be a sign of something
• bit: Device put in a horse's mouth to control it
• absorb: To take up all attention / energy of something
• similar: Nearly the same; alike
• path: Method of living leading to a particular result
• form: Sports team or person's current winning record
• observe: To celebrate a particular holiday/religious event
• repetitive: Doing or saying the same things many times
• characteristic: Typical or distinctive
• energy: Physical or mental strength
• detect: To discover or identify the presence of something
• suggest: To mention something that could be done; propose
• favorite: A thing that someone likes best or enjoys most
• frequency: Number of repetitions of (radio or sound) wave
• notice: To become aware by sight, touch, or hearing
• emit: To release or send out (a gas, etc.)
• visible: Can see, easily seen or understood
• hit: To have a negative impact on a person/place/thing
• information: Collection of facts and details about something
• motion: Suggestion at a meeting
• piece: A counter in a board game
• frequent: Happening often
• range: Cooking stove with multiple burners
• heat: State of anger, excitement, or arguing
• jargon: Terms and expressions used in a specialist field
• uncomfortable: Not being relaxed; worried about something
• cork: The wooden stopper in a wine bottle top
• periodic: Happening regularly, but not frequently
• wave: Movement of sound, air or energy
• calculate: To find an answer using mathematics
• bob: To move up and down repeatedly