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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
Suns
B
Quasars
C
Supernovas
D
Ellipses
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
Stonehenge
B
Crater Hiill
C
Craterhenge
D
Stone Circle
4) ________ nebulae can be observed when they block the light from more distant stars or nebulae.
A
Light
B
Young
C
Ancient
D
Dark
5) The instrument that has done more to reveal the magnificence of the heavens than any other is the ____________.
A
eye
B
Hubble Space Telescope
C
refraction telescope
D
moon
6) A(n) __________________ is a group of millions of stars.
A
universe
B
elliptical
C
pulsar
D
galaxy
7) The plane of the earth's equator projected into the sky is the ____________________.
A
nighttime equator
B
celestial equator
C
spherical equator
D
solar equator
8) If several stars in a group have the same motion, they are called a(n) _______________________.
A
star front
B
star cluster
C
star base
D
star family
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
nova
D
babinova
11) A star that changes in brightness because it expands and contracts regularly is called a(n) _______________.
A
Cepheid constant
B
Cepheid variable
C
supernova
D
nova
12) The Milky Way galaxy is believed to be a(n)
A
elliptical galaxy
B
barred spiral galaxy
C
irregular galaxy
D
spiral galaxy
13) Which of the following is not a desirable feature of a telescope?
A
chromatic aberration
B
gathering light
C
resolution
D
magnification
14) The distance that light travels in one year is a(n)
A
parsec.
B
astronomical unit.
C
light-year.
D
constant, c.
15) Telescopes that use mirrors to collect the incoming light are called
A
radio telescopes.
B
non-optical telescopes.
C
refractors.
D
reflectors.
16) Besides the amount of light emitted by a star, what else may affect a star's apparent magnitude?
A
distance from the earth
B
telescope magnification
C
telescope resolution
D
star motion
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
Canopus, + 0.7
C
Lacaille 9352, +7.4
D
Deneb, +1.3
19) How many modern constellations are there?
A
thirteen
B
sixty-six
C
twelve
D
eighty-eight
20) According to Bayer's system, the name of the brightest star in the constellation Lyra is
A
Omega Lyrae.
B
Lyrae Minoris.
C
Alpha Lyrae.
D
Lyrae Majoris.
*select an answer for all questions
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