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In this activity, learners identify the DNA base bars guanine, cytosine, thymine and adenine. Learners create a DNA model using colored paper clips to resemble these base pairs. This activity is featured on pp.19-20 (part of a lesson that begins on p.18) of the "Yesterday, Today and Tomorrow: Agricultural Biology" unit of study for grades 6-8.
- 5 to 10 minutes
- 45 to 60 minutes
- $5 - $10 per group of students
- Ages 11 - 14
- Activity, Lesson/Lesson Plan, Model
- English
Quick Guide
Materials List (per group of students)
- Ladder of Life handouts (page 34)
- 6 x 18-inch pieces of construction paper (color does not matter, as long as paper clips are visible.)
- Jumbo metal paper clips (about 600)
- Plastic-coated colored paper clips (red, blue, green and yellow) (about 500)
- four small buckets or containers
- scotch tape
Subjects
-
Engineering and Technology
-
Technology
- Agriculture and Biotechnology
-
Technology
-
Life Sciences
-
Cells
- Cell Structure and Function
-
Heredity and Genetics
- DNA Structure and Function
-
Cells
-
Physical Sciences
-
Chemistry
- Chemistry of Life
-
Chemistry
Informal Categories
- Model Building
Audience
To use this activity, learners need to:
- see
- see color
- read
- touch
Learning styles supported:
- Involves hands-on or lab activities
Other
Includes alignment to state and/or national standards:
This resource is part of:
- Classroom Resources
- Yesterday, Today, and Tomorrow: Agricultural Biotechnology (A Grade 6-8 Unit of Study)
Access Rights:
- Free access
By:
Rights:
- All rights reserved, The Children's Museum of Indianapolis, 2007
Funding Source:
- Dow AgroSciences LLC