science chapter 15

Question 1

pulse

Answer 1

single oscillation

Question 2

a wave transfers energy without transferring

Answer 2

mass

Question 3

a disturbance that transfers energy from one place to another without transferring mass

Answer 3

wave

Question 4

when energy from something gives its energy to another thing

Answer 4

energy transfer

Question 5

a wave that can only travel through solids, liquids, and gasses

Answer 5

mechanical wave

Question 6

a material in which a wave travels

Answer 6

medium

Question 7

a wave in which the disturbance is perpendicular to the direction the wave travels

Answer 7

transverse wave

Question 8

the spot transverse waves are in before they are moving

Answer 8

rest position

Question 9

the highest point on a transverse wave

Answer 9

crest

Question 10

the lowest point on a transverse wave

Answer 10

trough

Question 11

makes the particles in a medium move parallel to the direction that the wave travels

Answer 11

longitudinal wave

Question 12

an example of a longitudinal wave is…

Answer 12

a springs coils moving closer together and farther apart in waves

Question 13

the position in a longitudinal wave where the particles are closest together

Answer 13

compressions

Question 14

the position in a longitudinal wave where the particles are farthest apart

Answer 14

rarefactions

Question 15

an up & down/side to side movement of an object. sources of energy that produce mechanical waves

Answer 15

vibrations

Question 16

longitudinal waves from speakers

Answer 16

sound waves

Question 17

combination of transverse waves and longitudinal waves. Produced by contact with water

Answer 17

water waves

Question 18

waves in earths crest, causing vibrations and earthquakes

Answer 18

seismic waves

Question 19

wave that can travel through empty space and through matter

Answer 19

electromagnetic wave

Question 20

the maximum distance that a wave moves from its rest position

Answer 20

amplitude

Question 21

the distance from one point on a wave to the same point on the next wave

Answer 21

wavelength

Question 22

the # of wavelengths that pass by each second

Answer 22

frequency

Question 23

the transfer of energy by a wave to the medium through which it travels

Answer 23

absorption

Question 24

a passage of light through an object

Answer 24

transmission

Question 25

bouncing of a wave off a surface

Answer 25

reflection

Question 26

when a wave is reflected off a surface, the angel of the reflection is identical to the wave before the reflection

Answer 26

law of reflection

Question 27

a change of the direction in a wave that occurs when the wave is changing speed moving from one medium to another

Answer 27

refraction

Question 28

the change in direction of a wave when it travels by the edge of an object or through an opening

Answer 28

diffraction

Question 29

occurs when waves that overlap combine, forming a new wave

Answer 29

interference

Question 30

occurs when crests overlap with crests and troughs overlap with troughs

Answer 30

constructive interference

Question 31

occurs when crests overlap with troughs

Answer 31

deconstructive

Question 32

when a wave travels away from you, but reflects and travels back towards you

Answer 32

standing waves