1. In which of the following will sound travel the fastest? a. Over a cool area c. At room temperature b. Over a warm area d. Cannot be determined
2. The temperature in Mandaue City is 35⁰C, what is the speed of sound? a. 342.0 m/s b. 352.0 m/s c. 362.0 m/s d. 372.0 m/s
3. Which of the following colors in the visible light has the greatest energy? a. Blue b. Green c. Red d. Violet
4. Which of the following is arranged according to increasing energy? a. Red, blue, green, yellow c. Yellow, blue, green, red b. Red, yellow, green, blue d. Blue, green, yellow, red
5. What happens to the molecules of a substance when it is heated? a. Move faster and farther apart c. Become larger b. Stay in the same place d. Move slower and closer together ​