In this activity, students will learn about the different types of media that can be used to grow bacteria. They will predict which media will support the growth of different bacteria, then streak the different media with bacteria cultures to observe their growth. The bacteria growth will be evaluated to determine if students’ predictions were correct. Aligned to the Next Generation Science Standards (NGSS)* Disciplinary Core Ideas: LS1.A; LS1.B Performance Expectations: MS-LS1-1 Cross Cutting Concepts: Cause and Effect; Scale, Proportion, and Quantity Engineering Practices: Constructing Explanations and Designing Solutions; Planning and Carrying Out Investigations Kit Includes: 2x200mL Prepared tryptic soy agar 30 Tryptic soy broth tubes 2x200mL Prepared MacConkey agar 40 Sterile petri dishes 10 Serratia marcescens cultures 40 Cotton swab packs, 2/pk 10 Bacillus subtilis cultures 30 Sterile pipettors 10 Escherichia coli cultures DOT Info: Non-regulated WARNING: This product can expose you to chemicals including Crystal Violet, which is known to the State of California to cause cancer. For more information go to http://www.P65Warnings.ca.gov.