science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| astronomy | the study of all physical objects beyond earth
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| astronomer | someone who studies space/heavens
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| revolution | the elliptical motion of a body as it orbits another body in space
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| rotation | the spinning motion of a body on its axis
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| orbit | the elliptical path a body takes as it travels around another body; the motion itself
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| calendar/gregorian | a system for organizing time
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| year | the time required for the earth to orbit the sun once
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| month | the time required for the moon to orbit the earth once
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| day | the time required for the earth to rotate once on its axis
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| heliocentric | sun centered
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| geocentric | earth centered
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| astrolabe | handheld tool invented by the arabs used to measure the stars
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| horizon | the line where the sky and earth appear to meet
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| zenith | an imaginary point in the sky directly above an observer on earth
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| altitude | the angle between the object and the horizon
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| azimuth | imaginary circle that forms exactly around the horizon at 360 degrees
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| celestial sphere | stars in a sphere shape around earth
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| declination | a measure of how far north or south an object is from the celestial equator
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| right ascension | measure of how far east an object is from the point at which the sun appears on the first day of spring
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| telescope | instrument that collects electromagnetic radiation from the sky and concentrates it for better observation
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| optical telescope | telescope that collects visible light for closer observation
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| electromagnetic radiation | radiation from the sun
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| star maps | circular maps the marked stars by hemisphere
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| astronomical unit | way to measure units to planets (sun to planet)
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| light year | distance light travels in a year (6 trillion miles/year)
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| big bag theory | the theory that states the universe began with a tremendous explosion
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| nebula | a large cloud of dust and gas in interstellar space (where stars are formed)
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| solar system | the system composed of the sun and the planets and other bodies that travel around the sun
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| galaxy | a large grouping of stars in space
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| star | huge, hot, brilliant balls of fire
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| planet | celestial body that orbits a star
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| moon | natural satellite
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| asteroid | small, rocky body that revolves around the sun
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| meteoroid | small, rocky body orbiting the sun
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| meteorite | meteoroid that strikes earths ground
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| meteor | when meteoroid moving towards earth at a fast pace and light comes off of it
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| fusion | energy from a star
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| satellite | a natural or artificial body that revolves around a planet
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| space probe | a vehicle that carries scientific instruments to planets or other bodies in space
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| comet | planetesimals made of ice, 'dirty snowballs'
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| seasons | 4 divisions, weather patterns/daylight hours
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| tilt | cause to move into a sloping position
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| planetesimals | the tiny building blocks of the planets that formed as dust particles stuck together and grew in size
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To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
jmstreich1
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