science Flashcards
waves can be either?
transverse or longitudinal
waves transfer what?
energy
4 classifications of waves
transverse,longitudinal,mechanical ,electromagnetic
type of longitudinal/mechanical wave
sound wave
types of tranverse and electromagnetic wave
radio wave,gamma ray,x-ray, ifrared ray,visible light,ultraviolet ray,microwave
characteristics of a wave
frequency,period,wavelength,speed, trough,crest and amplitude
number of waves produce per unit of time
frequency
time taken to complete one cycle of a wave to pass through
period
distance between twio successive points
wavelength
distance traveled per unit of time
speed
an example of an wave that is both transverse and longitudinal
seismic waves
a scottish mathematical physicist
james clark maxwell
when and who observed electromagnetic waves
1887,heinrich hertz
all electromagnetic waves propagate in a vacuum with a speed of?
3x10^8 m/s
describes the the entire range of electromagnetic radiation
the electromagnetic spectrum
is a wireless technology and uses a chip that transmits information to a receiver at a frequency of 2.45 GHz
bluetooth
bluetooth was named after
blatand I
in 1995 who were the five companies that founded the bluetooth special interest group
ericsson,nokia,intel toshiba and Ibm
in 1887 who discovered radio waves
heinrich hertz
it relies on 24 satellites and was originally intended for military purposes
gps
who invented gps
Dr. ivan getting
extremely high -frequency radio waves
microwave
used in remote controls
infrared ray
who and when discovered infrared rays
william herschel in 1800
irda stands for
infrared data association
who discovered ultraviolet rays
johann wilhem ritter
a young german mechanical engineer and physicist
wilhem conrad roentgen
xrays were discovered by whom?
wilhem conrad roentgen(bro won a nobel prize by accident💀💀)
who discovered gamma rays
french chemist paul villard
ripples in space time caused by whirling massive objects
gravitational waves
who predicted their existence
albert einstein
scientists in _______________detected gravitational waves on__________
laser interferometer gravitational-wave observatory(LIGO,as in maligo kana)in hanford washingston,louisiania in the united states first detected on september 14 and december 26 2015 repectively
who hated einstein’s teaching on waves
Adolf hitler
who discovered waves
your ip rn 143.157.83.111😳😜😜تركمانستان أشرطة الفيديو الكبار تحميل حقيقي البنجابية لا فيروس لا حرام
planck’s constant
6.626*10^-34
how many islands are in the philippines
7,640
if low tide how many islands
7,641
largest body of water containing salt
ocean
northeast
azimuthal=bearing
southeast
azimuth=180-bearing,bearing=180-azimuthal
southwest
azimuth=180+bearing,bearing=azimuth-180
northwest
azimuth=360-bearing,bearing=360-azimuth
spherecical 3d model of the earth
globe
horizontal lines
latitude
vertical lines
longitude
0 degrees
equator
0 degrees horizontal
prime meridian
also known as the international date line
antimeridian
home to 76 % coral specices and 37% of the coral reef fish species
coral triangle
countries in the coral triangle
philippines,timorleste indonesia, papua new guinei and the solomon islands
archpelago comes from the greek words ?
arkhi means chief and pelagos which means sea
highest form of land mass
mountain
tallest mountain in the philipines?
mt.apo
erupted onto the crust
lava
airborne matter
tephra
less steep than a mountain
hill
flat land
plains
land between two mountains
valley
often wet
wetlands
part of the earth where water is found
hydrosphere
large body of salt water
sea
flows to the ocean
river
still body of fresh water surrounded by land
lake
black or brown rock that is made of carbon
coal
loved by america,comes from the fossils
petroleum or crude oil
flammable gas mixture,most abundant organic compound on earth
natural gas
energy that comes from the earth
geothermal energy
composed of ions and molecules bonded toogether
minerals
naturally fromed aggregates of minerals
rocks
formed from cooled lava
igneous rock
formed formed the fragments of older rocks
sedimentary rock
formed from preexisting rocks
metamorphic rock
rock formed by the human body
pooo,and kidney stone
three types of rock
igneous,sedimentary and metamorphic
Arrange gamma rays, X-rays, UV rays, and visible light in terms of increasing energy.
these waves in terms of increasing energy, starting with the lowest energy, gives the following order:
Visible light < UV rays < X-rays < Gamma rays
What electromagnetic wave has the highest frequency?
gamma rays
which electromagnetic field (EMF) source has extremely low frequency?
powerlines
