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Worksheetsscience unit 4 study guide
Total questions: 60
Worksheet time: 38mins
magnitude that indicates how bright a star really is.
Color of cooler stars.
kind of star that is hundreds of times larger than the sun and thousands of times brighter.
magnitude that indicates how bright a star appears to us.
star closest to the earth.
neutron star
supernova
how far light travels in one year.
(a)
day of creation on which God created the sun, moon, and stars.
sixth day
color of the hottest stars.
kind of star our sun is.
main-sequence star
sequence star
dwarf
super-giant
kind of star that is hundreds of times brighter than our sun.
(a)
kind of variable star that goes through periods of swelling, brightening then shrinking and dimming.
(a)
kind of variable star that changes its apparent magnitude but not its absolute magnitude.
(a)
a death explosion of a star.
(a)
forms when an existing star suddenly flares up and becomes brighter than normal.
supernova
nova
a collapsed super-giant with tightly packed core.
(a)
kind of star with its core mainly made up of neutrons.
(a)
the brightness of stars
absolute magnitude
apparent magnitude
exposure
magnitude
nova
how bright a star appears to us.
magnitude
absolute magnitude
true brightness of a star.
neutron star that spins rapidly on its axis.
eclipsing
pulsar
supernova
blackhole
may occur when a super-giant collapses to a very dense core.
a cloud of dust, gases, and debris.
nova
an existing star flares and becomes brighter.
nova
supernova
blackhole
pulsar
the death explosion of a star.
nova
smallest size of a star.
dwarf
super-giants
giant
tiny
middle size star.
giant
super-giant
dwarf
middle
largest size of a star.
large giant
giant
dwarf
supergiant
the distance that light travels in one year.
(a)
the apparent movement or change in position of one star in relationship to other stars.
(a)
stars are glowing balls of gasses that (a) light
a supergiant star that collapses and disappears from space.
(a)
the closest star to the earth.
(a)
variable stars regularly or repeatedly change in _____
magnitude
constellations that revolve around the North star are called_____
bipolar
circumpolar
polaris
dipper
who invented a reflecting telescope.
Hubble
Galileo
Bacon
Newton
a ____ breaks down the light given off by a star into all its colors.
refracting teloscope
reflecting telescope
radio telescope
if an object is moving away from the earth, the wavelengths on a spectroscope demonstrate a ____
blueshift
redshift
yellowshift
greenshift
a group of stars that forms a pattern is called.
Astrology is the scientific study of the stars.
the earth is in the Milky galaxy.
true
false
the earth is in the milky way galaxy.
true
false
uses lenses to bend light to make objects appear bigger.
radio telescope
refracting telescope
refracting telescope
spectroscope
uses mirrors to reflect light to make objects appear bigger
radio telescope
reflecting telescope
refracting telescope
spectroscope
collects radio waves to detect objects in space that give off little light.
reflecting telescope
refracting telescope
spectroscope
breaks down a stars light into its colors.
radio telescope
reflecting telescope
refracting telescope
spectroscope
whats the name of the most well-known star in the Little Dipper.
(a)
two stars held together by gravity.
binary system
open star cluster
three or four stars held together by gravity.
multiple star groups
globular cluster
constellations that revolve around the North Star.
open star cluster
globular cluster
binary system
large groups of stars held together by gravity.
binary system
open star cluster
globular cluster
astronomers classify a galaxy according to its___ ___ ___
(a)
a huge star system that covers many light-years of space is called a ___
galaxy
nebula
planet
constellation
the Milky way is a ____ galaxy.
spiral
strate
pulsating
binary
(a) are irregularly shaped pieces of rock, metal, and dust
a ____ is a rocky object in space that is smaller than an asteroid.
meteorite
meteor
meteoroid
comet
when a rocky object from space enters Earths atmosphere and lights up due to friction is a...
meteor
meteorite
meteoroid
comet
Scientist believe that a_____ formed the Barringer Crater.
meteorite
meteor
meteoroid
comet
The most famous short-term comet.
A_____ is an icy chunk of frozen gases, water, and dust that orbits the sun.
when a rocky object from space passes through Earths atmosphere and hits Earths surface its called a ___
