Vocabulary

• on and off: Intermittently; not continuously.
• for example: As an illustration or instance.
• wear out
• have to: Must do
• used to: Did regularly before, but don't do now
• at first glance: Upon initial observation or assessment.
• switch on: To put something electrical on or off
• for short: As a shortened form of a name or phrase.
• moving parts: Components of a machine or device that move to perform a function.
• depending on: To rely on for support (financial or emotional)
• for now: Temporarily; for the present time.
• instead of: When one thing is replaced by another
• work together: To collaborate or cooperate with others to achieve a common goal.
• turn off
• move back: To retreat or withdraw from a position.
• pass through: To experience something, often unpleasant or difficult.
• point at: To aim (gun, etc.) at someone or something
• for free: Without charge; at no cost.
• shout out: A public expression of greeting or praise.
• along with: In addition to; together with.
• behind the scenes: Secretly or without being known to the public.
• stick: To push a sharp or pointed object into something
• extremely: In a way that is much more than usual or expected
• material: Cloth; fabric
• basically: Used before you explain something simply, clearly
• positive: Showing agreement or support for something
• negative: The opposite to a positive electrical charge
• brilliant: Having a great amount of intelligence or talent
• barrier: Difficult situation preventing something happening
• current: Electricity flowing through wires
• pressure: Anxiety caused by difficult problems
• drain: Hole or pipe that water, waste etc. flows into
• component: One of the parts that something is made up of
• field: Area of study, such as physics or biology
• tiny: Very, very small
• huge: Very very large
• charge: To run quickly toward someone to attack them
• release: To free someone from a responsibility or burden
• apply: To spread a substance or liquid over a surface
• create: To make, cause, or bring into existence
• switch: A change or shift from one method to another
• guide: To help or advise someone about something
• layer: One of several sheets of a material or object
• notice: To become aware by sight, touch, or hearing
• lot: What happens to a person in life from chance; fate
• channel: Long hole dug in the ground, e.g. to move water
• magnetic: Having the properties of a magnet; able to attract
• order: Religious or social group, as of nuns
• learn: To get knowledge or skills by study or experience
• control: A device designed to operate a machine
• fully: Completely or entirely
• amplify: To increase the effect of something
• simple: Not hard to understand or do; not complex
• piece: A counter in a board game
• fill: To make something full
• drive: A person's ambition and motivation to do something
• circuit: An area where cars race in a circle
• turn: To become (a particular age)
• find: To become aware of something that is happening
• insulation: Material that is used to prevent heat, etc. passing
• tutor: A teacher who deals with students personally
• relay: To put in new carpet or flooring
• datum: Item of factual information
• mechanical: Done without thought or feeling; automatic
• lamp: Device to produce light, using electricity/oil/gas
• semiconductor: Silicon chip used in computers
• junction: Place where streets, highways, or roads meet
• coil: Wire wound into circles to carry electricity
• silicon: Mineral used in making steel and computer parts
• sensor: Device that detects movement or physical stimuli
• smoke: To give off a cloud of grey gas from burning
• voltage: Measured force of electricity
• microphone: Device you speak in to record or amplify sounds
• transistor: Part controlling the electricity inside devices
• capacitor: Device that can temporarily store electric charge