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  1. Conservation of momentum in particle collisions

  2. Why is it hotter in summer and colder in winter?

  3. Determining the eccentricity of elliptical galaxies

  4. Visiting the CERN Mini Expo (Secondary School Students)

  5. Jupiter’s day

  6. Constructing A Model Greenhouse

  7. Investigando enxames abertos

  8. Solar activity and climate changes

  9. Exploring Orbits

  10. more from cloud chamber