Chemistry
Chemical reactions, atom, molecule, ion, chemical compound, molecular bond, hydrogen bond, covalent bond, elements, carbon, hydrogen, oxygen, nitrogen, acids, bases, solutions, dilutions, mixtures, polymers, energy, entropy, periodic table
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Finding the Carbon in Sugar
Lesson
Students learn about combustion and energy by observing a burning candle in a sealed jar and the burning of white sugar.
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How Can We Find Out What Is in Water?
Lesson
Students use simple paper chromatography to investigate a mystery liquid.
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What Dissolves in Water?
Lesson
Students investigate several common substances to determine if they dissolve in water.
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What Is a One Part Per Million Solution?
Lesson
Students make a solution of food coloring that has a concentration of one part per million.
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What Makes Water Special?
Lesson
Students explore and compare physical properties of water and oil.
Related Content
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Balances and Glassware
Presentation
Overview and demonstration of the balances and glassware commonly used to prepare solutions in a laboratory.
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Describing Solutions
Presentation
Most scientists use a common language of measurement, called the International System of Units. David Caprette, PhD, shows you how to use this language to describe solutions.
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Introduction to Chemical Mixtures
Presentation
Dr. David Caprette describes the types of mixtures, and their properties, that might be encountered in a biological laboratory, and discusses basic equipment for solution making.
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Quantitative Methods: Part 1. Solutions and Dilutions
Presentation
David Caprette, PhD, discusses the types and properties of mixtures prepared and/or encountered in a biological laboratory. He also introduces basic lab equipment, terms and concepts related to formulas, and the concept of the mole.
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Quantitative Methods: Part 2. Diluting Solutions
Presentation
It is relatively easy to work out dilution problems once a solid frame of reference is established. David Caprette, PhD, explains the process.
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Science Concepts Explained
Presentations
Fundamental science concepts explained quickly in a fun and entertaining way.
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Using a Micropipettor
Presentation
Overview of the parts and use of a micropipettor.