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Worksheetsscience exam
Total questions: 26
Worksheet time: 16mins
what space tool helps us see information about the contents of stars?
telegraph
telescope
spectroscope
chromograph
what do spectroscopes let us know about stars?
age
distance
elements
temperature
what type of telescope is this?
(a)
what type of telescope is this?
(a)
what type of telescope is this?
(a)
how many mirrors are in a reflecting telescope?
3
4
0
2
how many lenses are in a refracting telescope?
3
6
1
2
how do radio telescopes work?
they have a radio attached that broadcasts the findings
they use radio waves to send signals to a computer while on earth
they get sent to a planet and send ultraviolet waves to earth
they sit in a desert for decoration
which galaxy is shaped like a disc?
spiral
elliptical
irregular
the hope galaxy
how do satellites move?
they orbit (rotate around) earth
they don't move
they move east to west across america
they fly around space with no direction
a satellite that has special instruments and telescopes attatched is a(n) (a) satellite.
radio telescopes are in:
space
unpopulated places on earth
big cities
a different galaxy
what kind of instrument is the hubble space telescope?
a space observatory
a refracting telescope
a probe
what are the three types of galaxies?
elliptical
popsical
black hole
spiral
irregular
space probes are on earth
true
false
where do we live?
the wilky may
the milky way
saturn
an irregular galaxy
the sun is a _________
planet
space probe
star
dwarf planet
pluto the dog from mickey mouse is named after a:
dwarf planet
star
galaxy
telescope
how can we figure out how old the universe is?
look for oldest stars
measure the universe's rate of expansion
use a spectroscope
look at black holes
blue shift would make the wavelength...
shorter
longer
wider
taller
red shift would make the wavelength...
longer
taller
shorter
wider
what is a nebula?
clouds of glitter
giant clouds of gas and dust
foam in the universe
the biggest star ever
newer stars have...
meh hydrogen
no hydrogen
lots of manganese
lots of hydrogen
older stars have...
more helium
more boron
more einsteinium
more magnesium
hydrogen changes the...
color of a star only
brightness of a star only
both the brightness and color
age
which is the only telescope that can be in space or on earth?
refracting
reflecting
radio
