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Conducting an Organic Matter Test
Students determine the viability of an aggregate based on the amount of organic matter present. Using sand and dirt, the students discover the different areas where organic matter can be present.
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Using Water Chemistry as an Indicator of Stream Health
Will this water source support life? Small groups test the chemistry of the water drawn from two different sources. They then compare the collected data to acceptable levels to draw conclusions about the health of the source. The...
8th - 12th Science
The Path of Least Resistance
Your class won't be able to resist this lesson on the path of least resistance, or rather, on conductors and insulators. Using two types of modeling dough, one that conducts and one that insulates, young electrical engineers construct...
6th - 12th Science CCSS: Designed
New Review Esters: An Introduction to Organic Chemistry Reactions
Scratch and sniff an introduction to organic chemical reactions. A creative lesson has individuals study the esters commonly used in scratch-and-sniff stickers and advertisements. Following the lab procedure, scholars create the organic...
9th - 12th Science
Flame Test: Red, Green, Blue, Violet?
Let the true colors shine through. Pupils conduct a flame test to identify an unknown element. Class members calculate and prepare specific molarity solutions of three chemicals. Using their observations of the colors emitted, they...
10th - 12th Science CCSS: Designed
Free Willy? An Argument Analysis of the Controversy over Captive Killer Whale Populations
An abused captive or a treasured performer? Class members conduct an analysis of arguments presented by both sides regarding the captive killer whale population, labeling those claims that can be supported and those that need additional...
11th - 12th Science CCSS: Designed