Lesson 1- What Are Waves

Question 0

Energy

Answer 0

The ability to do work on cause or change

Question 1

Wave

Answer 1

A wave is a disturbance involving the transfer of energy from place to place

Question 2

Medium

Answer 2

The material through which the wave travels

Question 3

Mechanical waves

Answer 3

A wave that requires a medium through which is travel

Question 4

Vibration

Answer 4

A repeated back-and-forth or up-and-down motion

Question 5

Transverse wave

Answer 5

A wave that vibrates the medium at right angle, or perpendicular, to the direction in which the wave moves

Question 6

Crest

Answer 6

A high point on a transverse wave

Question 7

Trough

Answer 7

A low point on a transverse wave

Question 8

Longitudinal wave

Answer 8

A wave that vibrates the medium in a direction parallel to the direction in which the wave travels through

Question 9

Compression

Answer 9

The part of a longitudinal wave where the particles of the medium are close together

Question 10

Rarefaction

Answer 10

The part of a longitudinal wave where the particle of the medium are far apart

Question 11

Surface wave

Answer 11

A wave that travels along or parallel to the earth’s surface