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7th-8th Grade Ch. 3 Science Test (Stars), Part 1
Test Description: 7th-8th Grade Ch. 3 Science Test (Stars)
Instructions: Answer all questions to get your test result.
1) The Bible's first mention of named constellations is in the book of _________________.
A
Matthew
B
Job
C
Psalms
D
Genesis
2) _____________ seem to be unusual, distant, rapidly moving objects that do not readily fit into the standard theories of the universe.
A
Quasars
B
Suns
C
Ellipses
D
Supernovas
3) _______________ is the name of the strucutre in England noted for its huge stones arranged in a roughly circular pattern that some believe may be a solar observatory.
A
Craterhenge
B
Stone Circle
C
Stonehenge
D
Crater Hiill
4) ________ nebulae can be observed when they block the light from more distant stars or nebulae.
A
Ancient
B
Dark
C
Young
D
Light
5) The instrument that has done more to reveal the magnificence of the heavens than any other is the ____________.
A
Hubble Space Telescope
B
moon
C
eye
D
refraction telescope
6) A(n) __________________ is a group of millions of stars.
A
galaxy
B
pulsar
C
elliptical
D
universe
7) The plane of the earth's equator projected into the sky is the ____________________.
A
celestial equator
B
spherical equator
C
solar equator
D
nighttime equator
8) If several stars in a group have the same motion, they are called a(n) _______________________.
A
star base
B
star cluster
C
star family
D
star front
9) The hottest stars are ________________ in color.
A
yellow
B
red
C
blue
D
orange
10) A star that explodes and sometimes leaves behind a neutron star is called a(n) __________________.
A
supernova
B
large nova
C
babinova
D
nova
11) A star that changes in brightness because it expands and contracts regularly is called a(n) _______________.
A
nova
B
Cepheid variable
C
Cepheid constant
D
supernova
12) The Milky Way galaxy is believed to be a(n)
A
irregular galaxy
B
elliptical galaxy
C
spiral galaxy
D
barred spiral galaxy
13) Which of the following is not a desirable feature of a telescope?
A
gathering light
B
magnification
C
resolution
D
chromatic aberration
14) The distance that light travels in one year is a(n)
A
light-year.
B
parsec.
C
astronomical unit.
D
constant, c.
15) Telescopes that use mirrors to collect the incoming light are called
A
non-optical telescopes.
B
reflectors.
C
radio telescopes.
D
refractors.
16) Besides the amount of light emitted by a star, what else may affect a star's apparent magnitude?
A
star motion
B
telescope resolution
C
telescope magnification
D
distance from the earth
17) Modern advances in telescope design include all of the following except
A
computer-controlled mirror actuators.
B
honeycomb mirrors
C
large-aperture objective lenses.
D
segmented mirrors.
18) Which of the following stars in the brightest, according to their apparent magnitudes?
A
Barnard's Star, +9.6
B
Lacaille 9352, +7.4
C
Canopus, + 0.7
D
Deneb, +1.3
19) How many modern constellations are there?
A
twelve
B
sixty-six
C
eighty-eight
D
thirteen
20) According to Bayer's system, the name of the brightest star in the constellation Lyra is
A
Lyrae Minoris.
B
Alpha Lyrae.
C
Lyrae Majoris.
D
Omega Lyrae.
*select an answer for all questions
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