Schoolphysics is an online resource base for all 11 to 19 year old Physics and Science students and their teachers. Resources cover 'Physics in Depth', 'Physics at a glance', animations, exam specifications, data, diagrams, photographic images and more.
Grade Level Grades 6-12
Resource Type Activity
Helpful resource, however, the description should state that the resource depicts how we measure the speed of galaxies using Hubble's Law and the Doppler effect. Also, for use is the United States, the first activity uses the word, "hooter" for a train whistle. A teacher would need to change that to horn or whistle.