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In this activity, learners will first learn the basics of galaxy classification and grouping. Then, learners use Hubble Space Telescope (HST) images to discover the "morphology-density effect" and make hypotheses about its causes. This lesson guide includes handouts for learners, explanations, and extensions.
- Under 5 minutes
- 30 to 45 minutes
- free per group of students
- Ages 14 - 18
- Activity, Lesson/Lesson Plan
- English
Quick Guide
Materials List (per group of students)
- Copy of student guide
- Calculator
- Magnifying glass (a linen tester works well)
- Pen/pencil
Subjects
-
Earth and Space Science
-
Astronomy
- Stars and Galaxies
- Probes, Satellites and Spacecraft
- Solar System
-
Astronomy
-
Mathematics
-
Algebra
- Patterns
-
Data Analysis and Probability
- Data Analysis
- Data Collection
- Data Representation
- Probability
-
Measurement
- Rate
- Reasoning and Proof
- Representation
-
Algebra
-
The Nature of Technology
-
The Design Process
- Problem Solving
-
The Design Process
-
The Nature of Science
-
The Scientific Process
- Conducting Investigations
- Gathering Data
- Formulating Explanations
- Communicating Results
-
The Scientific Process
Audience
To use this activity, learners need to:
- see
- read
- touch
Learning styles supported:
- Involves hands-on or lab activities
Other
Components that are part of this resource:
- Student Guide (with negatives of images)
- Teacher Guide (with negatives of images)
- Student Guide (with positives)
- Teacher Guide (with positives)
Includes alignment to state and/or national standards:
This resource is part of:
Access Rights:
- Free access
By:
- Education and Outreach Office, McDonald Observatory
Rights:
- All rights reserved, The University of Texas McDonald Observatory, 2011
Funding Source:
- NASA (Space Telescope Science Institute, operated by the Association of Universities for Research in Astronomy), HST-EO-10861.35-A