carbon dioxide

Science Science 20 of 20 appearances
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"carbon dioxide" appearances by year

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All Science clues by year

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# Clue Answer As Given Value Round Category Air Date Show
Dry ice is what we commonly call the solid form of this gas carbon dioxide $200 J SCIENCE AKAs 2026-03-23 #9526
One step of Joseph Priestley's 1700s experiment to make soda water involved storing this gas in a sheep's bladder carbon dioxide DD $400 J SCIENCE EXPERIMENTS 2026-02-26 #9509
A 2020 study says that in the 2030s the Amazon tropical forest may go from a net absorber to a net emitter of this gas carbon dioxide $400 J SCIENCE 2021-05-13 #8399
If Venus seems like a greenhouse, it's because its atmosphere is almost completely made of this greenhouse gas carbon dioxide $400 DJ LET'S SCIENCE THE HECK OUT OF THIS 2019-12-04 #8108
In 2017 scientists developed a faster way to make magnesite, a mineral that can capture & store this greenhouse gas carbon dioxide $400 DJ SCIENCE NEWS 2019-07-10 #8033
Bed bugs are attracted to this gas, as it indicates the presence of humans, so they can be lured with dry ice carbon dioxide $200 J SCIENCE 2018-03-05 #7711
Using a process powered by the sun, chemists at GWU are capturing this greenhouse gas & turning it into nanofibers carbon dioxide $400 DJ RECENT SCIENCE 2016-03-23 #7263
(Kelly of the Clue Crew demonstrates with a beaker and candle.) Add vinegar to baking soda to create this gas; because it's heavier than air, when poured from a glass, it will extinguish a flame carbon dioxide $400 J GENERAL SCIENCE 2014-09-26 #6905
Add 4 tbsp, vinegar & 3 tbsp. baking soda to a glass of water & this gas will make raisins bounce in it carbon dioxide $800 J FUN WITH SCIENCE 2009-05-12 #5692
As seen on the Internet, dropping Mentos into diet soda releases this gas out of suspension, creating a geyser carbon dioxide $400 DJ SCIENCE FACT 2009-01-19 #5611
(Cheryl of the Clue Crew performs a science experiment.) By mixing baking soda, a chemical base, with the acid in the lime juice, this gas is produced, resulting in a bubbly liquid carbon dioxide $600 J SCIENCE 2008-07-08 #5502
Dry ice is made by compressing and cooling this gas carbon dioxide $1,200 DJ GENERAL SCIENCE 2004-10-22 #4630
(Cheryl does a demonstration.) It's a little foggy to me, but dry ice is nothing more than this gas solidified carbon dioxide $800 DJ SCIENCE 2002-02-15 #4025
(Here is our science guy, Bill Nye.) It's the gas produced by adding vinegar, an acid, to sodium bicarbonate carbon dioxide DD $500 J SIMPLE SCIENCE 2000-11-21 #3732
In breathing it's the gas you expel to the atmosphere carbon dioxide $100 J SCIENCE 1993-12-03 #2130
Increased levels of this gas in the atmosphere add to the greenhouse effect, warming the earth carbon dioxide $400 DJ SCIENCE 1993-11-09 #2112
Photosynthetic bacteria make their food from sunlight, hydrogen sulfide & this gas carbon dioxide $300 J SCIENCE 1993-09-27 #2081
Burning me than e, CH4, in oxygen, O2, produces water, H2O, & this, CO2 carbon dioxide $200 J PHYSICAL SCIENCE 1991-06-20 #1584
When an alcohol burns, water & this common gas are formed carbon dioxide $400 DJ PHYSICAL SCIENCE 1988-09-15 #924
Common gas represented by the formula CO2 Carbon dioxide $200 DJ SCIENCE 1985-03-04 #126
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