chemical-reactions

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Resources

TED-Ed: The Law of Conservation of Mass
ed.ted.com

TED-Ed: The Law of Conservation of Mass

Everything in our universe has mass — from the smallest atom to the largest star. But the amount of mass has remained constant throughout existence even during the birth and death of stars, planets and you. How can the universe grow while maintaining its mass? Todd Ramsey answers that question by unravelling the law of conservation of mass.

Video
The chemistry of cookies - Stephanie Warren
ed.ted.com

The chemistry of cookies - Stephanie Warren

Explore the delicious science behind baking cookies.

Video
TED-Ed: What Triggers a Chemical Reaction?
ed.ted.com

TED-Ed: What Triggers a Chemical Reaction?

Chemicals are in everything we see, and the reactions between them can look like anything from rust on a spoon to an explosion on your stovetop. But why do these reactions happen in the first place? Kareem Jarrah answers this question by examining the two underlying forces that drive both endothermic and exothermic chemical reactions: enthalpy and entropy.

Video
khanacademy.org
PhET: Reactants, Products and Leftovers
phet.colorado.edu

PhET: Reactants, Products and Leftovers

Create your own sandwich and then see how many sandwiches you can make with different amounts of ingredients. Do the same with chemical reactions. See how many products you can make with different amounts of reactants. Play a game to test your understanding of reactants, products and leftovers. Can you get a perfect score on each level?

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PhET: Balancing Chemical Equations
phet.colorado.edu

PhET: Balancing Chemical Equations

How do you know if a chemical equation is balanced? What can you change to balance an equation? Play a game to test your ideas!

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