Title: Describe the difference between presumptive testing and confirmatory testing.
Course: Forensic Technology (15055) > Section: Exploring the Scientific Method

Description should include the definitions of

- presumptive testing—chemical analysis of a sample that establishes the possibility that a substance is present
- confirmatory testing—identification of the specific substance through further chemical analysis.

Process/Skill Questions:

- What are the differences between each test?
- When are presumptive and confirmatory tests conducted?
- Why is it necessary to conduct confirmatory tests on substances?
- What methods are used to test substances?