Chapter 23 - Waves

Question 1

Which type of wave requires a medium to travel?

Answer 1

Mechanical waves

Question 2

Which type of wave does not require a medium to travel?

Answer 2

Electromagnetic waves

Question 3

What is the part of the longitudinal wave where particles are crowded together?

Answer 3

Compression

Question 4

what is the part of a longitudinal wave in which particles are spread out?

Answer 4

rarefaction

Question 5

What is the lowest point on a transverse wave?

Answer 5

trough

Question 6

What is the highest point on a transverse wave?

Answer 6

crest

Question 7

What type of wave is a combination of a transverse and longitudinal wave in the middle of 2 media?

Answer 7

a surface wave

Question 8

if a wave has a higher frequency, it has _____ energy

Answer 8

more

Question 9

If a wave has a larger amplitude, it has _____ energy

Answer 9

more

Question 10

if a wave has a longer wavelength, it has _____ energy

Answer 10

lower

Question 11

if a wave has a shorter wavelength, it has _____ energy.

Answer 11

more

Question 12

What is it called when a wave bounces off a surface that it can’t go through?

Answer 12

Reflection

Question 13

What is the bending of a wave as it moves from one medium to another?

Answer 13

refraction

Question 14

what is it called when a wave changes direction when it meets a surface, such as a corner or opening?

Answer 14

diffraction

Question 15

What is it called when 2 or more waves collide and cause the waves to mess up each other

Answer 15

interference

Question 16

what is the maximum distance that the particles on a wave vibrate from its rest position?

Answer 16

amplitude

Question 17

The amount of waves in a given amount of time

Answer 17

frequency

Question 18

the speed of a wave

Answer 18

wave speed

Question 19

the wave’s particles move parallel to the direction of the wave

Answer 19

longitudinal wave

Question 20

the wave’s particles move perpendicularly to the direction of the wave

Answer 20

transverse wave

Question 21

how do waves transfer energy without transferring matter?

Answer 21

through vibrations

Question 22

a physical environment in which waves can occur

Answer 22

medium

Question 23

involves 2 parents creating 1 offspring; genetic variation is caused by the combination of 2 gametes

Answer 23

sexual reproduction

Question 24

involves 1 parent cell dividing and forming 2 daughter cells

Answer 24

asexual reproduction

Question 25

The back and forth movement of particles

Answer 25

vibration