Question: What do you call a tooth in a glass of water? Answer: A one molar solution. This is a chemistry joke. A Mole is a unit of measurement used in chemistry to express amounts of a chemical substance, defined as the amount of any substance that contains as many elementary entities as there are atoms in 12 grams of pure carbon-12, the isotope of carbon with relative atomic mass 12.
Test your students knowledge on the three states of matter, mixtures, solutions, physical properties and more. Challenge them with defining vocabulary words, correcting false statements about matter and fill in the blanks using a word bank. This quiz is also included in a whole unit on matter that can be purchased here .
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The Origins of Curry | Before I try to define the word “curry,” let me create an image for you from my college laboratory days in India where I pursued a degree in chemistry over 20 years ago. As I busied myself measuring crystals of potassium permanganate, stirring chemical solutions, analyzing compounds, and spilling picric acid on my lab coat, […]
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These stations give students a fun way to practice the changes in states of matter (freezing, melting, sublimation, condensation, and vaporization). The stations test students' knowledge by having them define, provide examples of, draw, and explain each of the five changes in states of matter listed above.