The Hidden Lives of Galaxies - Dark Matter Possibilities
Activity #7 Dark Matter Possibilities
Objectives:
- The student will be able to complete the graphic organizer using the knowledge gained from reading section "C- Possibilities for Dark Matter".
- The student will gain a greater understanding of the three possibilities for the hidden mass in galaxies.
Directions:
- Reread the Possibilities for Dark Matter. Complete the graphic organizer, "Decision-Making", stating the pros and cons of the possibilities.
- To complete the assessment, read the definition of Einsteins Theory of Gravity given after the Assessment.
Decision Making
Problem | Goals |
What can the dark matter be?![]() |
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Possibilities | Pros ![]() ![]() |
MACHOs (Massive Compact Halo Objects)
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WIMPs (Weakly Interacting Massive Particles)
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Hydrogen Gas |
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Assessment: Could Einsteins Theory of Gravity, which has proved to be correct in all cases so far, be somehow wrong? Justify your answer.
Einsteins Theory in a Nutshell: Space-time tells matter how to move. Matter tells space-time how to bend.
Decision(s) | Reason(s) |
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