General 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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| What is an element? | simplest type of substance....can't be broken down into anything simpler
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| Where are metals located on the periodic table? | to the left of the staircase
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| luster | ability to reflect light.....looks shiny
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| magnetic | ability to attract other metals
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| malleable | able to bend and be shaped without breaking
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| ductile | ability to be stretched and pulled into wires
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| conduct electricity | allows the flow of electrons
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| color | most are gray, but not all. color is used to identify specific metals
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| calcium | strengthens bones, controls heart rate, helps contract muscles,found in dairy products
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| potassium | proper working of nervous system, helps contract muscles, found in bananas, oranges potatoes
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| sodium | proper nervous system function, controls muscle contraction, found in table salt and other foods
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| iron | on red blood cells s hemoglobin, helps transport oxygen through the body, low iron=anemia, found in red meat and dark green veggies
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| Properties of non-metals | Opposite of metals
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| dull | not shiny
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| brittle | will break, not malleable or ductile
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| poor conductors | won't conduct heat or electricity
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| hydrogen | in the air an in water...very important
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| nitrogen | atmosphere is 78% nitrogen; used by plants to grow
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| carbon | in all living and once iving things
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| oxygen | gives life to humans and fire
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| chlorine | poisonous gas; found in table salt; made into bleach
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| fluorine | found in toothpaste as fluoride
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| metalloids | have properties of metals and non-metals; they all have luster
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| 4 uses for Boron | 1.borax-added to water to "soften" it; 2.prevents "ring-around-the-tub"; 3.boric acid-helps treat infection; 4.used in rocket fuel
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| 4 uses for Silicon | 1.combined with oxygen, it forms sand, which when melted forms glass; 2.fiber optics; 3.semi-conductor used in computer chips, circuit boards 4.used on tiles lining the bottom of the space shuttle
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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:
weavergina
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