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Science
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| Terms | questions |
|---|---|
| electromagnetic spectrum | arrangement of electromagnetic radiation- radio waves, microwaves, infrared, visible light, Ultraviolet, x-rays, gamma rays |
| refracting telescope | an optical magnifying instrument in which light from and object passes through a double convex lens and is bent to form an image at the focal point |
| reflecting telescope | an optical magnifying instrument that uses a concave mirror in the base of the telescope to focus light from an object and form a image at the focal point |
| radio telescope | an instrument that collects and records radio waves traveling through space |
| satellite | any natural or artificial object that revolves around another object in space |
| orbit | curved path of a satellite that results from a combination of the satellites forward movement and the gravitational pull |
| space probe | an instrument that carries data-gathering equipment deep into space and sends info back to earth |
| space shuttle | A reusable spacecraft designed to make many trips and that carries astronauts, satellites, and other cargo to and from space |
| space station | Structure with living quarters, work and exercise areas, and equipment to support systems for humans to live and work in space |
| sphere | Three dimensional object whose surface is the same distance from its Center at all points |
| tilt | a sloping position or movement earths tilt is 23.5 degrees |
| rotation | Spinning of Earth on its imaginary axis, which takes about 24 hours to complete, and causes day and night to occur |
| revolution | Earth's year Long elliptical orbit around the sun |
| ellispe | Elongated, Closed curve that describes Earth's yearly orbit around the sun |
| solstice | Twice yearly Point at which the Sun reaches its greatest distance north or south of the Equator |
| equinox | twice yearly Time, Each spring and fall, when the sun is directly over the equator and the number of daylight and nighttime are equal worldwide |
| moon phases | Change in appearance of the Moon as if viewed from Earth, due to the relative positions of the Moon Earth and Sun |
| new moon | Moon phase that occurs when the moon is between Earth and the Sun at which point the moon cannot be seen |
| waxing | following a new moon as more of the moons lighted side becomes visible |
| waning | occurs after full moon, as the visible lighted side of the moon becomes less |
| full moon | phase that occurs when all of the moons surface facing earth is lit |
| solar eclipse | occurs when the moon passes directly between the sun and earth and casts a shadow on part of earth |
| lunar eclipse | occurs when earths shadow falls on the moon |
| comet | a mass that travels through space made up of rock and dust mixed with ice that tends to evaporite after passing the sun too many times |
| meteor | a meteoroid that burns up in earths atmosphere |
| meteoroid | a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere. |
| meteorite | a meteoroid that does not completely burn up in the atmosphere and strikes the surface of a moon or planet |
| asteroid | a piece of rock similar to the material that formed into planets |
| difference in natural and artificial satellites | natural is a planet or something naturally put there and artificial is man made and put there manually |
| satellite vs space probes | satellite orbits while probes are shot out and travel in a straight line forever |
| first object in space and country | Ussr satellite sputnik |
| first person in space and country | Ussr, Yuri Gagarin |
| first person to land on moon, date, country | Neil Armstrong, July 20, 1969, USA |
| rotation vs revolution | revolution is year long orbit while rotation is the earth spinning around its axis |
| equinox dates | spring march 20-21 fall September 22-23 |
| solstice dates | summer=June 21-22 winter=December 21-22 |
| phases of moon | new moon, waxing crescent, first quarter phase, waxing gibbous, full moon, waning gibbous, third quarter phase, waning crescent |