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In this activity, learners explore how different deodorants work. Learners treat agar plates with different types of deodorants and compare the bacteria growth on the plates to the control sample.
- 1 to 2 hours
- 1 to 7 days
- $10 - $20 per student
- Ages 11 - 18
- Activity, Experiment/Lab Activity
- English
Quick Guide
Materials List (per student)
- Deodorants – use a non-antiperspirant variety such as Crystal Body Deodorant spray. Ideally, find a liquid form like a spray or a roll-on.
- Cotton swabs
- Nutrient agar or bactoagar
- Distilled water
- Rubbing alcohol
- Petri dishes - 6cm diameter work well
- Bacteria sample for a control
- A sweaty friend (optional)
Subjects
-
Life Sciences
-
Diversity of Life
- Viruses and Bacteria
-
Human Body
- Muscles and Skin
-
Diversity of Life
-
The Nature of Science
-
The Scientific Process
- Conducting Investigations
- Gathering Data
- Formulating Explanations
-
The Scientific Process
Audience
To use this activity, learners need to:
- see
- touch
Learning styles supported:
- Involves hands-on or lab activities
Other
Components that are part of this resource:
This resource is part of:
Access Rights:
- Free access
By:
- Yu, Julie
Rights:
- All rights reserved, Julie Yu, Exploratorium, 2007
Funding Sources:
- National Science Foundation, 0610238
- National Science Foundation, 0925383