Directions: Choose the letter of the

correct answer. Write your answer

on a separate sheet of paper.



1.Why does cupping your hands around your

mouth when you shout make the sound travel further?

a. The sound spread out.

b. Your voice get louder.

c. You are screaming.

d. The sound energy is directed in one direction.

2.What would happen if you tightened the strings on a guitar?

a. It would make a low pitch sound.

b. It would make a high pitch sound.

c. It produces slow vibrations.

d. it produces low frequency.

3. I am an astronaut, floating in my space suit in outer space. I

see another astronaut in her spacesuit. I want to communicate

with her. What method would be successful.

a. shine a light in Morse code to represent letters.

b. shout at her

c. make a loud bang

d. run over to her

4. World without sound is _________________

5. Music makes me ____________________​