Sound travels better through solids? No.
http://www.eskimo.com/~billb/miscon/miscon4.html#sound

Light and Radio waves always travel at the “speed of light”.
http://www.eskimo.com/~billb/miscon/miscon4.html#radio

Common misconceptions about sound and light: Children’s ideas of science – AAAS developed
http://homepage.mac.com/vtalsma/syllabi/2943/handouts/misconcept.html#sound

Student’s ideas about sound and suggestions on correcting misconceptions
http://www.rpdp.net/sciencetips_v2/P12C1.htm#misconcept

List of misconceptions in Physics – page 4 identifies misconceptions for waves
http://phys.udallas.edu/C3P/Preconceptions.pdf

Common Misconceptions in Astronomy

The table provides common misconceptions and explains the correct reasoning. Scroll down through table to find misconceptions of distances in the universe to star spectrum. Table produced by Cengage Learning to supplement textbook on astronomy.
http://www.brookscole.com/astronomy_d/templates/student_resources/053439549X_pasachoff/miscon/miscon.html

Ohio Resource Center has identified misconceptions which may relate to content taught in earlier grades. ORC recommended resources to help correct student misconceptions. These resources and lesson ideas should be incorporated into instruction in a way that is developmentally appropriate and that corrects misconceptions as a part of standards-based instruction.
http://www.ohiorc.org/pm/science/SciCDMisconceptions.aspx?cid=10