Why Lesson Planet?
This resource provides thorough instruction in scientific classification for your elementary scientists. They classify a set of alien organism cards, rock samples, a mixture of beans, and a pile of pasta. This provides plenty of practice with using observation skills and introduces learners to dichotomous keys. All of the necessary worksheets, teacher instructions, photographed answer keys, and a grading rubric are all provided to make teaching this vital science instructional activity a piece of cake!