earth science 24

Question 1

name the electromagnetic spectrum from longest wavelenghts to shortest

Answer 1

radio, infrared visible, ultraviolet, xray, and gamma rays

Question 2

what are the three types of seismic waves

Answer 2

P wave, s wave, surface waves

Question 3

as the waves get longer what happens ot the frequency

Answer 3

gets lower, inverse relationship for opposite.

Question 4

what are the two parts of light

Answer 4

photons and waves

Question 5

if the wavelength is longer the amount of energy is….
if its longer the amount of energy is…..

Answer 5

As a wavelength increases in size, its frequency and energy (E) decrease. From these equations you may realize that as the frequency increases, the wavelength gets shorter.

Question 6

which energy is dangerous for us

Answer 6

ultraviolet lights

Question 7

instruments that allow scientists to determine the chemical makeup of a visible source of light.

Answer 7

spectrascope

Question 8

what is the doppler effect

Answer 8

when something is coming towards you the wavelength is shorter and pitch is higher, when something is going away it is longer and lower.

Question 9

what color waves are shorter and longer for stars. which color moves toward and away form us?

Answer 9

blue waves are shorter coming toward. while red are longer. red is going away.

Question 10

what are the three types of spectrums

Answer 10

continuous absorption and emission spectrum.

Question 11

the point, or plane, at which light rays from infinity converge after passing through a lens and traveling a distance of one…..

Answer 11

focal point

Question 12

who invented the telescope

Answer 12

galileo galilie

Question 12

who concluded that the universe is expanding

Answer 12

hubble.

Question 13

what does a refracting telescope have lens or mirror?

Answer 13

lens

Question 14

what was the problem with reflecting telescope

Answer 14

it made a chromatic abberation

Question 15

who made a reflecting telescope

Answer 15

newton

Question 16

what is a concave and what is a convex mirror.

Answer 16

concave focuses light. convex makes an image bigger

Question 17

what is chromatic abberation

Answer 17

a common optical phenomenon that occurs when a lens cannot bring all wavelengths of light to a single converging point.

Question 18

where does a person stand in a reflecting telescope to look into it

Answer 18

at the side of the telescope

Question 19

what is the advantage of reflecting telescopes

Answer 19

there is no aberations

Question 20

What does a plane mirror do.

Answer 20

creates an image that is of the same size as the object, and which is a virtual and erect image.

Question 20

what does a concave mirror do

Answer 20

helps in converging the light from a far-off object to a point. image appears larger than the actual object and is upright

Question 21

what does a convex mirror do

Answer 21

the most common convex mirror uses are in places where bigger objects are to be viewed in a smaller size.

Question 22

how do you make the zoom bigger

Answer 22

make the objective side of the telescope longer

Question 23

how do you calculate magnification

Answer 23

length of the focal point of the objective side divided by the focal point of the eyepiece.

Question 24

explain how newtons telescope works

Answer 24

the light come in and bounces off a concave mirror to a focal point or small mirror and bounces out to your eyes.

Question 25

what is the structure of the sun

Answer 25

solar interior,photosphere,chromosphere, and corona.

Question 26

which layer of the sun can be thought of as the surface of the sun

Answer 26

photosphere

Question 27

describe the characteristics of features on the sun

Answer 27

Its hot, has sunspots, has a core, and four parts

Question 28

are the same number of susnpots always on teh sun

Answer 28

no becausein the 11 yeaer cycle their are maximums and minimums

Question 29

how does the sun produce energy

Answer 29

through nuclear fusion

Question 30

how much longer will the sun likely exist in its present state

Answer 30

100 billion years +

Question 31

why are sunspots dark

Answer 31

because they are not as hot at the other surfaces on the sun

Question 32

what is the effect on earths atmosphere of a strong solar flare

Answer 32

their could be an aurora borealis or a aurora australis

Question 33

where are most observatorys

Answer 33

in the mountains

Question 34

what happens about radio telescopse

Answer 34

it works even when it is cloudy

Question 34

challenger

Answer 34

broke from fuel tank

Question 34

columbia

Answer 34

it exploded on reentry