1A Physical Science
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| What particle is stopped by paper? | Alpha Particles.
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| What particle is stopped by wood? | Beta Particles.
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| What ray is stopped by concrete? | Gamma Rays.
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| What is an isotope? | Two of the same elements with same number of protons and a different number of neutrons.
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| What is a mass number? | The total number of protons and neutrons in an atom.
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| What is an alpha particle? | The weakest type of particles.
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| What is a beta particle? | High energy,high-speed electrons.
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| What is a gamma ray? | The most energized form of light.
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| Who came up with the term radioactivity? | Marie Carie.
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| Who found out about radioactivity? | Henri Becquerel.
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| What are three side effects you get from radiation poisoning? | Headache, fever, and death.
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| Which particle is the least harming? | Alpha particles.
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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.
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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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marcus92512
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