Alabama Learning Exchange
Alex: Qualitative Analysis Project
Students, working in groups, will identify four unknown substances using analysis procedures practiced in the lab throughout the school year. They will collect data, research the unknown substances, and report findings in a slideshow...
Science Education Resource Center at Carleton College
Serc: Creation of Dichotomous Keys From a Bio Blitz
An outdoor lab where middle schoolers investigate the environment and decide a method of survey to identify trees in their area. To finish the exercise they will create a dichotomous key of the ten they identified.
Science Education Resource Center at Carleton College
Serc: Interdependence of Life: How an Ecosystem Responds to Change
In this biology field investigation, students will investigate the site of an environmental disturbance, identify plant and animal life within that specific area, and compare it to an adjoining forested area. Students will map both areas...
University of Maryland
University of Maryland: Phaeophyceae, the Brown Algae
Structure and metabolism of the brown algae; reproduction, classification, ecology, and uses of brown algae.
PBS
Pbs: Nova: Cloud Typing
Review an exhaustive photographic collection of clouds. Classify each image and select favorites among the grouping. A key illustrating each type of cloud is provided for reference.
Chemistry Collective
Chem Collective: Alcohol Density Problem
Determine the concentration of an alcohol solution from its density.
Texas Instruments
Texas Instruments: The Pythagorean Theorem and Classifying Triangles
Students can use the converse of the Pythagorean Theorem to predict a triangle's classification. The Cabri Jr. App on the TI-83+/84+ family will be used to create triangles and find their measurements. Adobe PDF lab worksheets are included.
Other
English Montreal School: Chemical vs. Physical Changes: Elements vs. Compounds
A laboratory experiment where students classify matter into a homogenous mixture, heterogeneous mixture, solution, or pure substance. Also students will test for physical and chemical changes.