 Topic
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Connection to dark matter
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Relevant Materials |
| Uniform circular motion | One of the strongest pieces of evidence for dark matter comes from the orbital speeds of stars in uniform circular motion. | - Video: Chapters 1, 2, 3
- Worksheet 2: Questions 1, 2, 3
- Worksheets: 3, 5
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| Universal gravitation | As we cannot see dark matter, we only know of its existence via its gravitational effects. | - Video: Chapters 1, 2, 3
- Worksheet 2: Questions 1, 2, 3
- Worksheet 3
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| Two-dimensional collisions | A number of experiments are underway worldwide to try to detect dark matter particles in rare elastic collisions with atomic nuclei. | - Video: Chapter 7
- Worksheet 2: Question 4
- Worksheet 4: Question B
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| Nature of science and technology, scientific process | There are a number of competing theories about what dark matter is made of. Some physicists do not even think dark matter exists. | Video: Chapter 7 Worksheet 2: Question 5
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| Mathematical Relationships | The relationship between the speed of a star and the mass of the galaxy within the radius of its orbit is 
Physicists use this relationship to help infer the existence of dark matter. | - Video: Chapters 2, 3
- Hands-on demonstrations
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