Students use simple deductive reasoning and their knowledge of chemical properties to solve a problem involving known substances in three different Beral-type pipettes. They must determine which substance is in which pipette.
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California Kelp Forest Restoration
This unit is so cool, you won't be able to "kelp" yourself! Intended for all grades, this science and activity guide for teachers offers a unique opportunity to understand kelp's role as a valuable ecological resource. Teachers and...
K - 12th Science CCSS: Adaptable
2008 U.S. National Chemistry Olympiad Part III
In this chemistry olympiad lab activity, chemists are required to design two experiments. In one, they design an experiment to identify seven solutions given to them in pipettes. In the other, they design an experiment to determine the...
9th - 12th Science
Preparation of Crystalline Derivatives of Aldehydes and Ketones
Chemistry explorers prepare a crystalline derivative and find its melting point. Once they discover the melting point, they are able to identify whether or not the substance is pure, and whether it is an aldehyde or ketone. This is an...
9th - 12th Science
New Review Ecosystem Interdependence: Managing Salmon for Healthy Forests
Examine the impact the fishing industry has on local ecosystems. The hands-on lesson begins with an experiment that tests the effectiveness of fish-based fertilizers. It continues with a computer-based module that simulates sustainable...
6th - 12th Science CCSS: Designed
Discovering DNA: The Recipe for Life
A pinch of adenine, a dash of thymine and ta-da, you have life! Well, it's not quite that simple, but through this series of activities and experiments young scientists learn about the structure of DNA and how it contains the recipe for...
4th - 9th Science CCSS: Adaptable