Dichotomous Classification Key to the Class Insecta: A Classification Key Activity for Grades 4-7 Such fun! Science students of all ages love to use a dichotomous classification key to identify organisms. This particular activity is well suited for the younger scientists in grades 4-7.
So many people have requested that I write another product similar to my two best-selling classification key activities:
And here it is!
This is a very simple classification key that can be used at the beginning of a unit on classification. The purpose of this key is to teach the students how to use a dichotomous key. A dichotomous key is a classification key that gives the students two choices to choose from before moving on to the next set of choices. Dichotomous keys are often found in field guide manuals.
No fancy scientific terms are used in this classification key. Students will be able to complete the activities without having to learn new vocabulary words.
This is a two-part activity. In the first part of the activity, students will use the classification key for the Class Insecta to identify the 9 different insects. In the second part of the activity, students will use pictures of 5 representative arthropods to build and construct their own dichotomous classification key for the phylum Arthropoda.
The 5-page student activity includes the following pages:
1. Dichotomous Key to the Class Insecta
2. Pictures of 9 insects
3. Pictures of 5 different arthropods to use in part 2.
4. A two-page student answer sheet with 9 analysis questions.
Also included is a 2-page Teacher Guide with tips, suggestions, and a complete answer key.
This product is very appropriate for elementary grades, and middle school grades. I have also used this in my high school biology classes as a simple way to teach dichotomous keys. My high school students find it entertaining. They quickly grasp the concept of the dichotomous classification key, and we move on to more scientific and complex keys.
Your download will include both an editable Word document and a pdf form of this activity.
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