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In natural form a mixture of 3 isotopes, this element is the most abundant in the Earth's crust & in the human body |
oxygen
|
$200 |
J |
SCIENCE CLASS |
2023-09-11 |
#8926 |
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Lavoisier said he never got Scheele's 1774 letter about discovering this component of water, but it was found in his papers |
oxygen
|
$400 |
DJ |
DISCOVERIES IN SCIENCE |
2021-04-07 |
#8373 |
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The white part of an apple slice turns brown because of exposure to this gas |
oxygen
|
$200 |
J |
SCIENCE-PODGE |
2020-12-01 |
#8292 |
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Cyanosis, a bluish cast to the skin, is caused by a lack of this gas in the blood |
oxygen
|
$400 |
DJ |
SCIENCE GRAB BAG |
2012-12-07 |
#6495 |
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This element accounts for about 47% of the Earth's crust |
oxygen
DD
|
$2,000 |
DJ |
IT'S ALL SCIENCEY & STUFF |
2010-06-23 |
#5948 |
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A fire-eater makes sure the flame is out before opening his mouth--otherwise a rush of this will revive it |
oxygen
|
$800 |
DJ |
CIRCUS SCIENCE |
2007-12-10 |
#5351 |
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(Jon of the Clue Crew puts lids on candles.) The candle in the small jar willburn out firstbecause it has the least amount of this to burn |
oxygen
|
$1,200 |
DJ |
SCIENCE |
2007-10-08 |
#5306 |
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Nitrogen makes up around 78% of the atmosphere; this gas, only about 20% |
oxygen
|
$400 |
J |
BASIC SCIENCE |
2007-01-24 |
#5153 |
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Only a few living things, like some germs, can live without this gas symbolized O |
oxygen
|
$200 |
DJ |
SCIENCE |
2001-02-06 |
#3787 |
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This is the most abundant element on Earth, which is lucky--we need it to breathe |
oxygen
|
$100 |
J |
GENERAL SCIENCE |
1996-10-30 |
#2798 |
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The bacterium that causes botulism can only grow in an environment free of this gas |
oxygen
|
$300 |
J |
SCIENCE |
1996-02-29 |
#2654 |
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In photosynthesis, a plant takes in CO2 & releases this gas |
oxygen
|
$200 |
DJ |
SCIENCE |
1994-02-03 |
#2174 |
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This gas is a product of photosynthesis |
oxygen
|
$200 |
DJ |
SCIENCE |
1993-03-18 |
#1974 |
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By definition an anaerobe is an organism that lives in an environment free of this element |
oxygen
|
$200 |
DJ |
SCIENCE |
1992-05-15 |
#1790 |
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Cane sugar is a chemical compound consisting of carbon, hydrogen & this element |
oxygen
|
$600 |
DJ |
SCIENCE |
1992-01-09 |
#1699 |
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In the process of photosynthesis, plants take in carbon dioxide & release this gas |
oxygen
|
$200 |
DJ |
SCIENCE |
1990-04-30 |
#1316 |
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A tungsten filament in a light bulb doesn't burn up because this has been removed from the bulb |
oxygen
|
$300 |
J |
SCIENCE |
1989-02-10 |
#1030 |
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If the flame in a Bunsen burner is yellow, then it's getting too little of this |
oxygen
|
$200 |
DJ |
PHYSICAL SCIENCE |
1988-07-12 |
#907 |