Chapter 11 Vocab
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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| asteroid | Small rocky bodies in our solar system, they orbit the sun
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| axis | An imaginary line through earth extending from the north pole to the south pole
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| black hole | A large sphere of tightly packed material with an extraordinary amount of gravitational pull
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| comet | A small body made up of rocky material and ice that occurs in the Kuiper Belt and the Oort cloud
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| doppler effect | an increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other.
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| Fusion | the process or result of joining two or more things together to form a single entity
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| interstellar matter | The material that fills space
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| light-year | The distance at which light moves 300,00km/s travels in a year equals about 9.5 trillion km
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| parallax | The apparent shift of an object against a stationary caused by the change of position of the observer
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| planet | a celestial body that orbits one or more stars with its own gravitational pull
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| revolution | The motion of earth as it orbits the sun at 30km/s
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| rotation | The motion of earth as it spins on its axis from east to west at 1670km/h
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| solar system | A group of planets circling one or more stars
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| star | A celestial body of hot gasses with a core like a furnace
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| supernova |
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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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