PPT
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Biology Junction

Water, Solutions, pH, and Buffers

For Students 9th - 12th Standards
What common chemical includes safety warnings for being harmful if swallowed or inhaled, causes serious eye damage, and needs to be cleaned up immediately if spilled on the floor? Surprisingly, the dangerous chemical turns out to be...
Lesson Plan
SRI International

Science of Water

For Teachers 9th - 12th Standards
Water is crucial to survival. Scholars gain an appreciation for water by reading about it, learning about its atomic properties, and investigating its properties through six stations in a lab activity.
PPT
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Biology Junction

Water Properties and More

For Students 9th - 12th Standards
Did you know many insects use cohesion or surface tension to walk on water? Using a presentation, scholars learn the more important properties of water. It extends into the concepts of solutions, suspensions, pH, and more.
Lesson Plan
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Teach Engineering

Density and Miscibility

For Teachers 7th - 9th
The liquids did not mix — so what do density columns have to do with it? The seventh part in a series of nine provides the theoretical explanation of why density columns do not mix. The lesson plan covers the topics related to...
Activity
Teach Engineering

Balancing Liquid on a Coin: How Intermolecular Forces Work

For Teachers 9th - 11th
Let knowledge of chemistry flow like water. Future scientists conduct two different experiments to investigate the properties of water. They learn about surface tension and cohesion as they see how many drops of water they can place on a...
Lesson Plan
NASA

Making Oxygen and Carbon Dioxide

For Teachers 6th - 12th
Some like it hot! Scholars observe both exothermic and endothermic reactions as part of the carbon dioxide oxygen cycle. First, scientists demonstrate (or watch) a chemical reaction to create pure oxygen using fire for...
PPT
Mr. E. Science

Acids, Bases and Solutions

For Students 7th - 8th Standards
If you are not part of the solution, then you are part of the precipitate. The presentation covers solutions, suspensions, solubility, dissociation, and acid/base reactions. This is the 19th lesson in a series of 26.