Preparing your experience...
Loading scripts and resources
Preparing your experience...
Loading scripts and resources
Present wave speed facts and ask prediction questions. (1) 'Sound in air vs sound in water. Which is faster?' (Water - 1500 m/s vs 340 m/s). (2) 'Light vs sound. You see lightning before hearing thunder because...' (Light is much faster). (3) 'If a wave has frequency 10 Hz and wavelength 2m, its spe
9
Likes
0
Remixes
0
Comments