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All Words (55 Words)

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Advanced Words (21 Words)

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Word List

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Word	Meaning	Advanced
sunspot	n: a temporary dark patch that appears on the Sun’s surface as a result of reduced surface temperature
solar	adj: of, from, or relating to the sun
flare	v: to burn brightly with a sudden, intense burst of flame or light; (noun) a sudden and brief burst of bright flame or light; a sudden and intense burst of radiation from the Sun’s surface
volatile	adj: likely to change rapidly or unexpectedly, or being unstable or explosive
roughly	adv: approximately but not precisely; with a violent manner
planet	n: any of the nine large celestial bodies that circle in the solar system; any celestial body that revolves around a star
surrounding	adj: that is near or around, or closely encircling something
intense	adj: (especially of a feeling) very strong; extremely sharp or severe
magnetic	adj: having the properties of attracting or repelling certain materials containing iron or steel
choke	v: to prevent or obstruct the normal breathing or swallowing of someone or something
blazing	adj: burning and emitting intense heat and light; powerful and impressive
core	n: the most essential or fundamental part of something
opposition	n: the act of disagreeing or resisting; the state of strong disagreement
ripe	adj: (of fruit or crops) fully developed and ready to be eaten or harvested
explosion	n: a violent release induced by a chemical or nuclear reaction
release	v: to set free or allow to escape from confinement
megaton	n: a unit of energy equivalent to one million tons of TNT
bombard	v: to attack a place with bombs or gunshots continuously; to address with continuously or persistently, as if with a barrage
X-ray	n: a type of electromagnetic radiation that has a wavelength shorter than visible light allowing hidden objects such as bones and organs inside the body to be photographed
radiation	n: the energy that comes from a nuclear reaction in the form of rays, waves, or particles and that can be hazardous to health
geomagnetic	n: of or relating to the Earth’s magnetic field
intensify	v: to increase or make something increase in extent or strength
disrupt	v: to prevent or stop something, especially an event, activity, or process, from continuing in the usual way by causing a problem or disturbance
grid	n: a pattern of regularly spaced horizontal and vertical lines; a system of high tension cables by which electrical power is distributed throughout a region
mangle	v: to damage or alter something by twisting, crushing, or pressing it out of shape
transmission	n: the act or process of sending something from one person or place to another; the process of broadcasting over the airwaves, as in radio or television
wax	n: a substance that is solid at room temperature but becomes softer and more pliable when heated, often used in the production of candles, polishes, and cosmetics; (verb) to become large
wane	v: to decrease in size, strength, or intensity
cycle	n: an interval during which a recurring sequence of events occurs; a bicycle or motorcycle
peak	n: the point to which something or someone is at its strongest, best, or most successful; the pointed top of a mountain
enormous	adj: extremely large or great
spark	v: to start something or make it grow, especially suddenly; to emit a tiny piece of fire or electricity
dazzling	adj: shining brightly; highly attractive or exciting
aurora	n: a natural appearance of colored light in Earth’s sky that is usually seen in high-latitude regions, especially around the Arctic and Antarctic
trigger	v: to make something happen suddenly; to cause something such as a device, machine, etc. to function
blackout	n: a loss of electric power for a general region; a suspension of radio or TV broadcasting; a momentary loss of consciousness
zap	v: to strike, destroy, get rid of, or kill something or someone suddenly and with force
satellite	n: an electronic device that is sent up into space and moves around the Earth or another planet, used for gathering information or communicating by radio, television, etc.
astronaut	n: a person trained by a space agency to travel outside the Earth’s atmosphere
wary	adj: cautious or distrustful, especially because of a previous bad experience
maximum	adj: the largest or greatest amount or value attainable or attained
lethal	adj: causing or capable of causing death; extremely dangerous
temperature	n: the degree of hotness or coldness of a thing or place
associate	v: to mentally connect someone or something with someone or something else
slight	adj: very small in degree or amount
dramatic	adj: very sudden, very excellent, or full of action and excitement
ultraviolet	adj: relating to or occupying the part of the spectrum beyond the violet end, especially radiation
correspond	v: to match or be similar to something else almost exactly; to exchange messages
coincide	v: to take place at or near the same time
severe	adj: extremely serious or bad in feeling, manner, or strict and harsh; extremely strong or vigorous
astronomer	n: a physicist who studies astronomy
rotation	n: the action or process of moving in a circle around an axis or center
rotate	v: to turn around a central point or axis; to move in a circular path around something
equator	n: an line of latitude that separates Earth’s northern and southern hemispheres and has a radius of around 40,075 kilometers (24,901 miles)
pole	n: one of two antipodal points where the Earth’s axis of rotation intersects the Earth’s surface; a long, slender, rounded rod, typically of wood or metal, used as a support or to hang something