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- Description:Presumptive gun shot residue kit
- Cat. no.:470343-392
- No. of Uses:30
Learn about how to test if a surface has been exposed to gunpowder residue.
- Students will perform a two part test to determine whether a surface has been exposed to a discharged firearm
- Aligned to NGSS Practices
- Performance expectations: MS-PS1-2
- Disciplinary core ideas: PS1.A, PS1.B
- Cross cutting concepts include Patterns
- Engineering practices include analyzing and interpreting data
This is a two part test to determine whether a surface has been exposed to a discharged firearm. A rapid color change takes place to verify the presence of nitrates and lead. Kit contains instructions and enough materials for 30 tests.