Vocabulary Set #4
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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| Singularity | A point of infinite density that contained all of the matter, space, and time of the universe
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| Big Bang Theory | Theory the universe began as a small point that expanded rapidly about 13.7 billion years ago
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| Red Shift | Shift toward longer wavelengths of spectral lines emitted by a celestial object. Caused by object moving away from earth, important piece of evidence for Big Bang Theory
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| Cosmic Microwave Background (CMB) | Weak radiation that is left over from early, hot stages of expansion of universe
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| Hydrogen | Main element formed in the Big Bang
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| Doppler Effect | The change in the length of wavelengths when the source of the waves or the observer moves
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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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Created by:
Ms.Dixon
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