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In this activity, learners extract DNA from a strawberry and discover that DNA is in the food they eat. Learners use simple materials to break open the cells of a strawberry and see DNA with their very own eyes. [Activity is publicly available through a web crawler capture on Archive.org.]
- Under 5 minutes
- 45 to 60 minutes
- $1 - $5 per student
- Ages 11 - 14
- Activity, Experiment/Lab Activity, Lesson/Lesson Plan
- English
Quick Guide
Materials List (per student)
- 1 strawberry
- 1 plastic freezer bag
- 100 ml water
- 100 ml soap
- 1 Tbsp salt
- 15 ml ice cold 91% isopropyl alcohol
- 4 layers of cheese cloth
- 1 rubber band
- 1 large plastic cup
- 1 small clear plastic cup
- 1 toothpick
Subjects
-
Engineering and Technology
-
Engineering
- Bioengineering/Biomedical Engineering
-
Engineering
-
Life Sciences
-
Cells
- Cell Structure and Function
-
Diversity of Life
- Plants
-
Heredity and Genetics
- DNA Structure and Function
-
Cells
-
Physical Sciences
-
Chemistry
- Solutions
-
Chemistry
-
The Nature of Science
-
The Scientific Process
- Conducting Investigations
-
The Scientific Process
Informal Categories
- Food and Cooking
Audience
To use this activity, learners need to:
- see
- see color
- touch
Learning styles supported:
- Involves hands-on or lab activities
Other
Includes alignment to state and/or national standards:
This resource is part of:
Access Rights:
- Free access
By:
- Mission Science Workshop
Rights:
- All rights reserved, Mission Science Workshop, 2012