science

Question 1

waves can be either?

Answer 1

transverse or longitudinal

Question 2

waves transfer what?

Answer 2

energy

Question 3

4 classifications of waves

Answer 3

transverse,longitudinal,mechanical ,electromagnetic

Question 4

type of longitudinal/mechanical wave

Answer 4

sound wave

Question 5

types of tranverse and electromagnetic wave

Answer 5

radio wave,gamma ray,x-ray, ifrared ray,visible light,ultraviolet ray,microwave

Question 6

characteristics of a wave

Answer 6

frequency,period,wavelength,speed, trough,crest and amplitude

Question 7

number of waves produce per unit of time

Answer 7

frequency

Question 8

time taken to complete one cycle of a wave to pass through

Answer 8

period

Question 9

distance between twio successive points

Answer 9

wavelength

Question 10

distance traveled per unit of time

Answer 10

speed

Question 11

an example of an wave that is both transverse and longitudinal

Answer 11

seismic waves

Question 12

a scottish mathematical physicist

Answer 12

james clark maxwell

Question 13

when and who observed electromagnetic waves

Answer 13

1887,heinrich hertz

Question 14

all electromagnetic waves propagate in a vacuum with a speed of?

Answer 14

3x10^8 m/s

Question 15

describes the the entire range of electromagnetic radiation

Answer 15

the electromagnetic spectrum

Question 16

is a wireless technology and uses a chip that transmits information to a receiver at a frequency of 2.45 GHz

Answer 16

bluetooth

Question 17

bluetooth was named after

Answer 17

blatand I

Question 18

in 1995 who were the five companies that founded the bluetooth special interest group

Answer 18

ericsson,nokia,intel toshiba and Ibm

Question 19

in 1887 who discovered radio waves

Answer 19

heinrich hertz

Question 20

it relies on 24 satellites and was originally intended for military purposes

Answer 20

gps

Question 21

who invented gps

Answer 21

Dr. ivan getting

Question 22

extremely high -frequency radio waves

Answer 22

microwave

Question 23

used in remote controls

Answer 23

infrared ray

Question 24

who and when discovered infrared rays

Answer 24

william herschel in 1800

Question 25

irda stands for

Answer 25

infrared data association

Question 26

who discovered ultraviolet rays

Answer 26

johann wilhem ritter

Question 27

a young german mechanical engineer and physicist

Answer 27

wilhem conrad roentgen

Question 28

xrays were discovered by whom?

Answer 28

wilhem conrad roentgen(bro won a nobel prize by accident💀💀)

Question 29

who discovered gamma rays

Answer 29

french chemist paul villard

Question 30

ripples in space time caused by whirling massive objects

Answer 30

gravitational waves

Question 31

who predicted their existence

Answer 31

albert einstein

Question 32

scientists in _______________detected gravitational waves on__________

Answer 32

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

Question 33

who hated einstein's teaching on waves

Answer 33

Adolf hitler

Question 34

who discovered waves

Answer 34

your ip rn 143.157.83.111😳😜😜تركمانستان أشرطة الفيديو الكبار تحميل حقيقي البنجابية لا فيروس لا حرام

Question 35

planck's constant

Answer 35

6.626*10^-34

Question 36

how many islands are in the philippines

Answer 36

7,640

Question 37

if low tide how many islands

Answer 37

7,641

Question 38

largest body of water containing salt

Answer 38

ocean

Question 39

northeast

Answer 39

azimuthal=bearing

Question 40

southeast

Answer 40

azimuth=180-bearing,bearing=180-azimuthal

Question 41

southwest

Answer 41

azimuth=180+bearing,bearing=azimuth-180

Question 42

northwest

Answer 42

azimuth=360-bearing,bearing=360-azimuth

Question 43

spherecical 3d model of the earth

Answer 43

globe

Question 44

horizontal lines

Answer 44

latitude

Question 45

vertical lines

Answer 45

longitude

Question 46

0 degrees

Answer 46

equator

Question 47

0 degrees horizontal

Answer 47

prime meridian

Question 48

also known as the international date line

Answer 48

antimeridian

Question 49

home to 76 % coral specices and 37% of the coral reef fish species

Answer 49

coral triangle

Question 50

countries in the coral triangle

Answer 50

philippines,timorleste indonesia, papua new guinei and the solomon islands

Question 51

archpelago comes from the greek words ?

Answer 51

arkhi means chief and pelagos which means sea

Question 52

highest form of land mass

Answer 52

mountain

Question 53

tallest mountain in the philipines?

Answer 53

mt.apo

Question 54

erupted onto the crust

Answer 54

lava

Question 55

airborne matter

Answer 55

tephra

Question 56

less steep than a mountain

Answer 56

hill

Question 57

flat land

Answer 57

plains

Question 58

land between two mountains

Answer 58

valley

Question 59

often wet

Answer 59

wetlands

Question 60

part of the earth where water is found

Answer 60

hydrosphere

Question 61

large body of salt water

Answer 61

sea

Question 62

flows to the ocean

Answer 62

river

Question 63

still body of fresh water surrounded by land

Answer 63

lake

Question 64

black or brown rock that is made of carbon

Answer 64

coal

Question 65

loved by america,comes from the fossils

Answer 65

petroleum or crude oil

Question 66

flammable gas mixture,most abundant organic compound on earth

Answer 66

natural gas

Question 67

energy that comes from the earth

Answer 67

geothermal energy

Question 68

composed of ions and molecules bonded toogether

Answer 68

minerals

Question 69

naturally fromed aggregates of minerals

Answer 69

rocks

Question 70

formed from cooled lava

Answer 70

igneous rock

Question 71

formed formed the fragments of older rocks

Answer 71

sedimentary rock

Question 72

formed from preexisting rocks

Answer 72

metamorphic rock

Question 73

rock formed by the human body

Answer 73

pooo,and kidney stone

Question 74

three types of rock

Answer 74

igneous,sedimentary and metamorphic

Question 75

Arrange gamma rays, X-rays, UV rays, and visible light in terms of increasing energy.

Answer 75

these waves in terms of increasing energy, starting with the lowest energy, gives the following order: Visible light < UV rays < X-rays < Gamma rays

Question 76

What electromagnetic wave has the highest frequency?

Answer 76

gamma rays

Question 77

which electromagnetic field (EMF) source has extremely low frequency?

Answer 77

powerlines