Name Word Match
Directions: Connect the word with the proper definition.
1.amplitude
2. elasticity
3. frequency
4. longitudinal
5. medium
6. pitch
7. transverse
8. velocity
9. wave
10. wavelength
a. speed of the wave
b. determined by the frequency of the sound waves
c. density of the medium
d. height of the wave
e. distance of one complete wave cycle
f. waves that travel up and down
g. disturbance of energy
h. waves created by the movement of molecules
i. wave cycles in a given unit of time
j. allows energy to pass through

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.