Free worksheet and solutions · OCR A A Level · H556
OCR A A Level Physics Astrophysics 3: Cosmology Worksheet
Download a free OCR A A Level Physics worksheet on stellar parallax, redshift, Hubble's law, the Big Bang and the age of the Universe, with solutions.
What is covered
Questions and skills covered
The worksheet contains 7 pages of printable questions. A separate 7-page solutions PDF makes it easy to mark, review or share answers after the activity.
- Astronomical units, stellar parallax and the cosmic distance scale
- Doppler shift and fractional changes in spectral wavelengths
- Hubble's law, recession speed and the Hubble constant
- Evidence for an expanding Universe and expansion of spacetime
- The Big Bang model, cosmic microwave background and Universe age estimates
Specification fit
OCR A A Level Physics Worksheets
H556 · 5.5.3(a), 5.5.3(b), 5.5.3(c), 5.5.3(d), 5.5.3(e), 5.5.3(f), 5.5.3(g), 5.5.3(h), 5.5.3(i), 5.5.3(j), 5.5.3(k), 5.5.3(l)
Classroom use
Use the worksheet for class practice, homework, intervention, cover work or revision. Keep the PhysicsUK attribution intact when sharing copies with pupils.