While on vacation you visit a canyon. You shout at the far wall and the sound
returns after 6.00 seconds. The speed of sound that day was 345 m/s. The sound
you made had a frequency of 600 Hz. What was its wavelength? What was its
period?

Ateacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids?