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8th Grade: Integrated Science - Utah State Office of Education

www.schools.utah.gov/CURR/science/OER/Grade8RS.aspx

Open typefaces used: Crimson for the main reading text, Blackout. Midnight for main headlines ... change, heat or light given off, change in odor, gas given off). ... of energy in a physical or chemical change, and relate the kind of energy added to the ..... bottles and caps are solids, the cola ..... the speed at which a chemical.

Diet Coke and Mentos: What is really behind this physical reaction?

www.auburn.edu/academic/cosam/departments/chemistry/outreach/MSP_AU_web/documents/AJP_2008_diet_coke_mentos_Coffey.pdf

The Diet Coke and Mentos reaction is a fun demonstration in chemistry and physics classes of .... the bottle was opened to release some of the internal pres-.

here - Celebrate Science

www.celebratescience.eu/wp-content/uploads/2014/10/Supermarket-Science.pdf

Specifically, the density of sugar (sucrose) (which is in the Coca-‐cola) is different ... Open the bottle of water, note what happens when the bottle is opened. ... gas. This gas will collect on the uneven surfaces on the raisins. ..... How could we speed this reaction up? ... Classify each of these changes as chemical or physical.

Would deforming an open soft drink bottle to remove air space ...

www.reddit.com/r/askscience/comments/1xrtsa/would_deforming_an_open_soft_drink_bottle_to/

Feb 13, 2014 ... ChemistryWould deforming an open soft drink bottle to remove air .... Does taping on the lid of the bottle or can speed up the carbonation process? ... Ideally, yes - the less "air space" in the bottle, the less gas is needed to pressurize it. ..... soda stream says don't re-fizz cola, because it foams eve...

POP, BANG, FIZZ! - Tennessee Opportunity Programs

www.tnopportunityprograms.org/Science Experiments List Book.pdf

Do Not Open Bottle - Soda Prank. 35. The Unpoppable ..... ends, and let the solar energy of the sun heat the air inside the bag. ... 8th 8.13.1 Distinguish between physical and chemical changes. 8th 8.11.1 .... Coca-Cola) ... Put funnel in opening. .... Instead of melting, dry ice turns directly into carbon dioxide gas but does not.

Chemical Activities. Teacher - U.S. Department of Education

files.eric.ed.gov/fulltext/ED300212.pdf

chemistry of matter, chemistry of atoms and molecules, chemical reactions, chemical .... Carla L. Clemens: Cover design and section opening pages .... How Much Gas Is in a Bottle of Cola? 5. 3. Solution of a Gas: What Happens During a Pressure Change? 8. 4. ... The Heat Is On with Zinc and Copper Sulfate. 119. 43.

A Book of Experiments Volume II - the Scientia Review

www.scientiareview.org/pdfs/167.pdf

Recognize that energy is the ability to cause motion or create change: Anti- gravity Water .... When the water was heated, ... A chemical reaction occurs between the baking soda and vinegar, ... The gas bubbles float the raisins to the top of the soda. Then the carbon ... 1 glass bottle or jar with an opening smaller than the egg.

Questions on carbonated beverages [Archive] - Straight Dope ...

boards.straightdope.com/sdmb/archive/index.php/t-76519.html

He wanted to know why warm sodas are flat while cold sodas are fizzy ... The temperature does not change that much. ... ::Wipes off Chemistry degree and teaching certificate:: ... Experiment: Open a cold bottle of soda. ... You can't convince me I've changed the concentration of dissolved gas in this cola just ...

What the menopause REALLY does to your body and how to tell ...

www.dailymail.co.uk/health/article-2997794/What-menopause-REALLY-does-body-tell-started-continuing-ultimate-guide-surviving-change.html

Mar 16, 2015 ... The natural rate of hair loss can also speed up (on the head and elsewhere) ... Sudden heat or redness often starts in the face, neck or chest and then ... resulting in a build-up of gas as the undigested food ferments. .... 'Falling oestrogen levels can trigger chemical changes in the brain, causing a migraine.

Coke® & Mentos® - Exploring Explosive Chemistry! - Science Buddies

www.sciencebuddies.org/science-fair-projects/project_ideas/MatlSci_p023.shtml

Determine if using crushed Mentos candies will change the height of exploding soda ... Diet Coke® is a registered trademark of The Coca-Cola Company.

Helpful Resources

Why do we hear a hissing sound when we open a coke bottle?

www.physlink.com

When the coke is opened, there is suddenly a great pressure differential. ... All of the additional pressure found within the bottle pushes gas out of the bottle until the ... the men and women who work at the Coca-Cola plant pump carbon dioxide into the ... In nature, when we "bail" at the speed where the water level remains...

Spurting Science: Erupting Diet Coke with Mentos - Scientific ...

www.scientificamerican.com

Jun 14, 2012 ... Instead it is a physical reaction. ... While the soda is in the bottle, the gas is kept in solution by the ... The speed at which the Mentos falls through the soda can affect how ... Be sure to wear eye protection when putting the candies into the cola! ... Mentos versus crushed, compare warm versus cold Diet Coke.

Diet Coke and Mentos: What is really behind this physical reaction?

www.appstate.edu

show in 1999 by chemistry teacher Lee ... So when you pop the top, the equilibrium within the bottle or can is ... forcing the concentration of the solute gas to drop, so it bubbles out. ... water). When the can is opened without shaking ... Coca-Cola Classic, Caffeine ... bottles during heating, the heated bottles ... K changes with.

Food Science: Why Carbonated Soda Explodes When Shaken | The ...

www.thekitchn.com

Jul 14, 2009 ... Carbonated drinks are made by forcing carbon gas into a beverage ... If you shake the bottle before opening it, some of the carbon that has ...

Is it a Physical or Chemical change? - TutorVista Blog

blog.tutorvista.com

Dec 22, 2011 ... If you add vinegar to bicarbonate of soda, the mixture fizzes - a gas is ... One of the above is an example of a chemical change, but which one is.