en CR physics 45 vacuum: is space that is devoid of matter trough: the lowest part of the wave train prism: a transparent polygonal solid, often having triangular ends atoms: the smallest quantity of an element opaque: not transparent or translucent optics: a branch of physics. the study of property of the light dispersion: the phenomenon in which the phase velocity of a wave depends on its frequency photon: the force carrier for the electromagnetic force vibration: an oscillation of motion concave: having an outline or surface that curves inward like transparent: allowing light to pass through ampere: a unit of electric current equal to a flow of one coulomb per second waves: a disturbance that travels through a medium noise: the sound of many vibrating systems conductor: an object that allows the current to flow speed: distance divided by time crest: the highest point in the wave train coulomb: charles augustin de ______ static: electricity is a stationary electric charge that is built up on a material ammeter: a measuring instrument used to measure the electric current in a circuit proton: positively charged particle resistance: a measure of the tendency of a material to resist the flow of an electrical current decibel: a unit used to measure the intensity of a sound capacitor: components that are used to store an electrical charge electricity: a form of energy resulting from the existence of charged particles translucent: transmitting and diffusing light so that objects beyond cannot be seen clearly refraction: the bending of a wave when it enters a medium where its speed is different neutron: An elementary particle without an electrical charge series: circuit that having one path for current to flow frequency: a number of waves that pass a fixed point in unit time laser: a device that emits light through a process of optical amplification electron: negatively charged particle ohm: georg simon ____ echo: the reflection of sound resonance: the tendency of a system to oscillate with greater amplitude longitudinal: In a longitudinal wave the particle displacement is parallel to the direction of wave propagation reflection: the change in direction of a wavefront at an interface between two different media friction: the force exerted by a surface as an object moves across it magnet: a body having the property of attracting iron light: something that makes vision possible tyndall: the scattering of light as a light beam passes through a colloid dynamics: concerned with the study of motions candela: the SI unit of luminous intensity parallel: circuit that having a multiple paths to move along flouresence: emitting light w/c is usually of a longer wavelength virtual: image which cannot be reflected on screen potential: energy at rest

physics

																	1					2
					3 A						4		5		6
											7 E							8					T

															T					9
			10									11					M		12						13
			14	I
			E						15
					16	A
											C
			17		18						E										19	20

			N				21						22			23						O
																				24
		25			E				26		27					O			28
													I					29						30
				31														O		32
		33				U
	34			R
																E
						35			36	O		37		38							S
																	■					39 P
40								O				41										R
																				42
						43 C
									L
								44							I					45

Across:

1.	the change in direction of a wavefront at an interface between two different media
3.	a measuring instrument used to measure the electric current in a circuit
7.	the reflection of sound
8.	energy at rest
11.	is space that is devoid of matter
12.	the force exerted by a surface as an object moves across it
14.	something that makes vision possible
16.	a device that emits light through a process of optical amplification
17.	the tendency of a system to oscillate with greater amplitude
19.	a disturbance that travels through a medium
21.	a unit of electric current equal to a flow of one coulomb per second
25.	distance divided by time
26.	the bending of a wave when it enters a medium where its speed is different
28.	a transparent polygonal solid, often having triangular ends
32.	the sound of many vibrating systems
33.	not transparent or translucent
35.	the force carrier for the electromagnetic force
38.	concerned with the study of motions
40.	the phenomenon in which the phase velocity of a wave depends on its frequency
41.	a body having the property of attracting iron
42.	the lowest part of the wave train
43.	components that are used to store an electrical charge
44.	a form of energy resulting from the existence of charged particles
45.	the SI unit of luminous intensity

Down:

2.	an object that allows the current to flow
4.	a measure of the tendency of a material to resist the flow of an electrical current
5.	having an outline or surface that curves inward like
6.	image which cannot be reflected on screen
9.	the highest point in the wave train
10.	negatively charged particle
13.	a branch of physics. the study of property of the light
15.	allowing light to pass through
18.	circuit that having one path for current to flow
20.	the smallest quantity of an element
22.	a unit used to measure the intensity of a sound
23.	emitting light w/c is usually of a longer wavelength
24.	transmitting and diffusing light so that objects beyond cannot be seen clearly
27.	a number of waves that pass a fixed point in unit time
29.	charles augustin de ______
30.	An elementary particle without an electrical charge
31.	circuit that having a multiple paths to move along
34.	electricity is a stationary electric charge that is built up on a material
36.	the scattering of light as a light beam passes through a colloid
37.	georg simon ____
39.	positively charged particle

physics

■

Across:

1.	the change in direction of a wavefront at an interface between two different media
3.	a measuring instrument used to measure the electric current in a circuit
7.	the reflection of sound
8.	energy at rest
11.	is space that is devoid of matter
12.	the force exerted by a surface as an object moves across it
14.	something that makes vision possible
16.	a device that emits light through a process of optical amplification
17.	the tendency of a system to oscillate with greater amplitude
19.	a disturbance that travels through a medium
21.	a unit of electric current equal to a flow of one coulomb per second
25.	distance divided by time
26.	the bending of a wave when it enters a medium where its speed is different
28.	a transparent polygonal solid, often having triangular ends
32.	the sound of many vibrating systems
33.	not transparent or translucent
35.	the force carrier for the electromagnetic force
38.	concerned with the study of motions
40.	the phenomenon in which the phase velocity of a wave depends on its frequency
41.	a body having the property of attracting iron
42.	the lowest part of the wave train
43.	components that are used to store an electrical charge
44.	a form of energy resulting from the existence of charged particles
45.	the SI unit of luminous intensity

Down:

2.	an object that allows the current to flow
4.	a measure of the tendency of a material to resist the flow of an electrical current
5.	having an outline or surface that curves inward like
6.	image which cannot be reflected on screen
9.	the highest point in the wave train
10.	negatively charged particle
13.	a branch of physics. the study of property of the light
15.	allowing light to pass through
18.	circuit that having one path for current to flow
20.	the smallest quantity of an element
22.	a unit used to measure the intensity of a sound
23.	emitting light w/c is usually of a longer wavelength
24.	transmitting and diffusing light so that objects beyond cannot be seen clearly
27.	a number of waves that pass a fixed point in unit time
29.	charles augustin de ______
30.	An elementary particle without an electrical charge
31.	circuit that having a multiple paths to move along
34.	electricity is a stationary electric charge that is built up on a material
36.	the scattering of light as a light beam passes through a colloid
37.	georg simon ____
39.	positively charged particle