Building a Dichotomous Key
Students analyze how a dichotomous key helps us explain and identify unknown organisms. They design and construct a dichotomous key, developing a list of three observable characteristics per organism.
9th - 12th Science 18 Views 58 Downloads
Use of Dichotomous Keys to Identify Stream Organisms
What kind of organisms are living in the stream? After an explanation on how to use a dichotomous key, groups of three to four use the keys to identify macroinvertebrates from a local freshwater stream. Using the the concept of Stream...
8th - 12th Science
Determining Stream Health by the Diversity and Types of Benthic Organisms
How diverse are the benthic organisms found in local streams? Using the information learned in previous lessons on identification of macroinvertebrates and on calculating stream index values, groups determine the health of local streams....
8th - 12th Science
Reebops: A “Model” Organism for Teaching Genetic Concepts
In a sweet simulation, junior geneticists examine the chromosomes of a fictitious Reebop marshmallow animal, combine chromosomes to produce offspring, and then make a model of the resulting Reebop baby. Phenotypes include number of...
6th - 12th Science
Investigating Reproductive Strategies
Pass on to your class knowledge about different aspects of reproduction with this simple life science lesson. From amoebas to grizzly bears, young scientists read about a variety of organisms as they investigate the advantages and...
7th - 10th Science CCSS: Adaptable
Mind Maps: Tapping Prior Knowledge & Developing Ideas
Use Inspiration software with your writers to compose mind maps! If you don't have the program, you can download a thirty-day trial or simply follow the steps and write out a graphic organizer on paper to organize one main idea. Each...
6th - 12th English Language Arts CCSS: Designed
Who Took Jerell's iPod? ~ An Organic Compound Mystery
Within the setting of a crime scene investigation, biochemistry beginners analyze organic compounds as a means of determining "Who dunnit." They use a brown paper test for lipids, glucose test strips and iodine to identify carbohydrates,...
7th - 12th Science