PSSA Vocab unit 11
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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| radioactive isotope | also called radioisotope, any of several species of the same chemical element with different masses whose nuclei are unstable and dissipate excess energy by spontaneously emitting radiation in the form of alpha, beta, and gamma rays.
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| carbon chemistry | is a chemical element with symbol C and atomic number six.It is nonmetallic and tetravalent.
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| science | the intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment
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| nova | is a cataclysmic nuclear explosion on a white dwarf, which causes a sudden brightening of the star.
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| scale | each of the small, thin horny or bony plates protecting the skin of fish and reptiles, typically overlapping one another.
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| theory of evolution | The theory of evolution by natural selection is the nonrandom survival and reproductive success of randomly varying organisms.
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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:
twistybraids03
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