Science W1 - Electromagnetic Waves

Question 1

are disturbances that are used to transfer energy from one place to another without transferring matter

Answer 1

waves

Question 2

highest point of a wave

Answer 2

crest

Question 3

lowest point of a wave

Answer 3

trough

Question 4

the vertical distance between the tip of a crest and the wave’s central axis

Answer 4

amplitude

Question 5

refers to the number of full wavelengths that pass by a given point in space every second

Answer 5

frequency

Question 6

the SI unit for frequency

Answer 6

Hertz (Hz)

Question 7

the horizontal distance between two consecutive troughs or crests

Answer 7

wavelength

Question 8

unit of measurement for wavelength

Answer 8

meter (m)

Question 9

the symbol used for wavelength

Answer 9

lambda (λ)

Question 10

2 types of waves

Answer 10

mechanical and electromagnetic

Question 11

a wave that is an oscillation of matter that requires a medium

Answer 11

mechanical wave

Question 12

3 general types of mechanical waves

Answer 12

transverse
longitudinal
combined

Question 13

a mechanical wave where particle motion is perpendicular to wave motion

Answer 13

transverse wave

Question 14

a mechanical wave where particle motion is in the same direction as wave motion

Answer 14

longitudinal wave

Question 15

are like sea waves

Answer 15

combined wave

Question 16

a type of wave formed when an electric field comes in contact with a magnetic field. These waves are transverse.

Answer 16

electromagnetic wave

Question 17

an electrical and magnetic disturbance that moves through space at the speed of light. They are waves created as a result of vibrations between an electric and magnetic field.

Answer 17

electromagnetic waves

Question 18

speed of light and electromagnetic waves

Answer 18

3.0×10⁸ m/s

Question 19

2 fields composing an electromagnetic wave

Answer 19

electric field and magnetic field

Question 20

field created by charged particles

Answer 20

electric field

Question 21

field produced by moving electric charges

Answer 21

magnetic field

Question 22

a region around a charged particle where a force would be exerted on other charged particles

Answer 22

electric field

Question 23

a region around a magnetic material or a moving electric charge within which the force of magnetism acts

Answer 23

magnetic field

Question 24

a Scottish physicist who predicted the existence of electromagnetic waves in 1862

Answer 24

James Clerk Maxwell

Question 25

a German physicist who confirmed Maxwell’s theory that waves other than light exist

Answer 25

Heinrich Hertz

Question 26

are oscillations that may occur at very low frequency or at an extremely high frequency and the entire range of frequencies

Answer 26

electromagnetic spectrum

Question 27

a range of electromagnetic waves that extends from the longest wavelengths of radio waves up to the high frequency of gamma rays

Answer 27

electromagnetic spectrum

Question 28

waves with the longest wavelengths and lowest energy

Answer 28

radio waves

Question 29

waves with the second longest wavelengths and second lowest energy

Answer 29

microwaves

Question 30

waves that are used by mosquitoes to find warm-blooded animals

Answer 30

infrared waves

Question 31

waves that fall within the color spectrum

Answer 31

visible light

Question 32

waves seen by bees and are in pollen guides from flowers

Answer 32

ultraviolet

Question 33

waves with the second shortest wavelengths and the second highest energy

Answer 33

x-rays

Question 34

waves with the shortest wavelengths and highest energy on the spectrum

Answer 34

gamma rays

Question 35

planets

Answer 35

radio waves

Question 36

heat lamps

Answer 36

infrared

Question 37

color spectrum

Answer 37

visible light

Question 38

hospitals

Answer 38

x-rays

Question 39

shortest wavelengths

Answer 39

gamma rays

Question 40

As the wavelength decreases, the frequency _________?

Answer 40

increases

Question 41

As the wavelength increases, the frequency _________?

Answer 41

decreases

Question 42

Each type of wave occupies a particular range of wavelengths known as?

Answer 42

band