Kemtec Science: Den-Test

Kemtec Science: Den-Test Target Grades: 4-9 Number of Students: 24 students working in pairs The Den-Test kit teaches students the benefits of good oral hygiene by visually demonstrating the effects of brushing on the amount of cavity related bacteria present on their teeth. Students learn sterile technique as they grow bacteria from their mouths on nutrient agar plates. Includes optional instructions for building an incubator box. Kit Contains: Instructor Manual Student Data Sheets Sterile Swabs Sterile Petri Dishes Medicine Cups Mouthwash Agar Required, But Not Included: Incubator (optional) Hot Plate An Autoclave or Bleach