Expanding Universe

Dive into the science of the expanding universe! This worksheet covers the Big Bang, Hubble's Law, and cosmic timeline for Grade 9.

Matching Doppler Effect Apparent change in frequency or wavelength due to distance from an object Red Shift Galaxies light shifted towards red wavelengths Hubble's Law galaxy moves proportional to its distance from us Big Bang Theory Universe began in an instant in an enormous explosion Dark Matter Matter that does not give off radiation Give three pieces of evidence to support Hubble's Law. Use the reading to help support your reasoning. Give an analogy of Hubble's Law explaining the expansion of the universe. Match the statement with the timeline. Big Bang Occurred 13.7 Billion years ago First Stars and Galaxies formed 200 million years after big bang Solar System formed 4.6 billion years ago Earth Planet with KNOWN life