Transcript Jeopardy - Cloudfront.net

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Which part of the
electromagnetic
spectrum can be
seen from earth
with your own eyes?
Visible Light
Which part of the
electromagnetic
spectrum has the
longest
wavelength?
Radio Waves
Which part of the
electromagnetic
spectrum has the
shortest
wavelength?
Gamma Rays
All
electromagnetic
radiation travels
at what speed?
The speed of
light
This instrument is used
by astronomers to
separate light
(Electromagnetic
Radiation) into its
separate parts.
The
spectroscope
What are the
three types of
spectra?
- Continuous spectrum
- Emission spectrum
- Absorption spectrum
This spectrum
is a band of
unbroken
colors
The
continuous
spectrum
This spectrum is
composed of a
black background
with unevenly
spaced colored
lines (Used in labs)
The emission
spectrum
This spectrum is
composed of a
continuous spectrum
background with
unevenly spaced black
lines (Found in the
real world)
Absorption
spectrum
When scientists determine which elements
are in stars they compare the…
a. absorption spectrum of elements to the
emission spectra of a star
b. continuous spectrum of elements to the
emission spectra of a star
c. emission spectrum of elements to the
absorption spectra of a star
d. emission spectrum of elements to
continuous spectra of a star
c. emission spectrum
of elements to the
absorption spectra of
a star
The beginning of a
stars life cycle is a
cloud of gas and
dust the name of
this cloud is a…
Nebula
A high mass star
may explode, this is
called
A supernova
This is the
term for a prestar
Protostar
What kind of
star creates a
black hole?
A massive star
In this star elements as
heavy as iron may form
Massive star
When a source of
light is moving
toward you, the
wavelengths of light
get closer together.
This is called…
Blueshift
When a source of
light is moving away
from you, the
wavelengths of light
get farther apart.
This is called…
Redshift
What happens to
sound/light
wavelengths you
receive when the
source if them
moves closer?
They get closer
together, resulting
in a higher
frequency
What happens to
sound/light
wavelengths you
receive when the
source of them
moves away?
They get farther
apart, resulting in a
lower frequency
Is the universe
expanding,
shrinking, or
staying the same
size? HOW DO YOU
KNOW???
Expanding. Most
stars are
redshifting or
moving apart from
each other.
The light year is a
measurement of…
Distance
How far is one
parsec?
3.26 light years
What are the
three terms for
the brightness
of a star?
1. Apparent
magnitude
2. Luminosity
3. Absolute
Magnitude
Put these distances in order
from smallest to largest:
parsec, km, AU, meter, light year
Meter, km, AU, Light Year, Parsec
What is the
difference between
apparent magnitude
and absolute
magnitude?
Apparent magnitude – A star’s
brightness measured from Earth
(Not standardized)
Absolute magnitude – A star’s
brightness measured if it were at
a distance of 10 parsecs
(Uses + and – values)
Galaxies are
generally made of
how many stars?
(General range)
Millions to
billions
The Milky Way
galaxy is a
______________ shaped
galaxy.
Spiral
Approximately what
is the diameter of
the Milky Way
Galaxy?
100,000 light years
Almost all of the
stars we see belong
to (Where are they
located)?
The Milky Way
Galaxy
95% of the VISIBLE
matter in the
universe is found
where?
Stars
Arrange yourselves in the correct
order of the electromagnetic
Spectrum from longest wavelength
to shortest wavelength.
1.Radio Waves
2. Microwaves
3. Infrared Waves
4. Visible Light
5. Ultraviolet Light
6. X-Rays
7. Gamma Rays