In this activity, students will be introduced to the skills and techniques that microbiologists use on a daily basis. Students will practice these techniques by performing a streak isolation with the provided bacterial cultures, as well as samples they collect from their classroom, to learn about different types of media and how bacterium reproduce. Aligned to the Next Generation Science Standards (NGSS)* Disciplinary Core Ideas: LS1.A Performance Expectations: MS-LS1-1 Cross Cutting Concepts: Scale, Proportion, and Quantity Engineering Practices: Planning and Carrying Out Investigations Kit Includes: 2 x 200mL Prepared tryptic soy agar 10 Lyophilized cultures of Serratia marcescens 20 Sterile petri dishes 10 Tryptic soy broth tubes 10 Inoculation loops 10 Sterile pipettors 10 Sterile cotton swabs, pk/2 DOT Info: Non-regulated *"Next Generation Science Standards" is a registered trademark of Achieve. Neither Achieve nor the lead states and partners that developed the Next Generation Science Standards was involved in the production of, and does not endorse, this product.