Did a Chemical Reaction "Really" Occur?
Students perform several different experiments to observe signs of chemical reactions and determine if reaction has occurred, use search engine to find Internet sites pertaining to chemical reactions, and write up brief summary of site.
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Spontaneity of Chemical Reactions
Do spontaneous reactions really occur? Activity 12 in a series of 36 focuses on spontaneity of chemical reactions. Learners read about, discuss, and answer questions pertaining to entropy, explain the third law of thermodynamics, explore...
9th - 12th Science CCSS: Adaptable
How to Speed Up Chemical Reactions (and Get a Date)
How are chemical reactions like dating? A collision must first occur! In this hilarious approach to speeding up chemical reactions, viewers find out that five changes can increase the rate of reaction: smaller space, increased number of...
5 mins 9th - 12th Science CCSS: Adaptable
What Triggers a Chemical Reaction?
Chemical reactions are happening all around us every second of every day, but what exactly causes these changes to occur? Using easy-to-understand analogies, this video explains how the concepts of enthalpy and entropy determine the ways...
4 mins 9th - Higher Ed Science CCSS: Adaptable
New Review Mass Changes in Chemical Reactions—Microscale Chemistry
What better way is there to introduce conservation of mass than a few simple experiments? Young chemists conduct two chemical reactions, take the masses of reactants and products, then compare their results to determine differences in mass.
6th - 10th Science CCSS: Adaptable