Glencoe Physical Science with Earth Science

Chapter 26: Stars and Galaxies

Stars and Galaxies

1
What is the curvature of an objective lens?
A)convex
B)concave
C)refracting
D)reflecting
2
What type of of optical telescope uses a lens as an objective?
A)refracting
B)reflecting
C)convex
D)radio
3
What does a spectroscope do?
A)uses a convex lens
B)disperses light into a spectrum
C)uses a concave lens
D)uses chemicals
4
What are the names given to patterns of stars in the sky?
A)mythology
B)Canis Major
C)Polaris
D)constellations
5
The distance light travels in one year is a _________.
A)light-year
B)spectrum
C)space year
D)warp speed
6
The Sun is classified as which type of star?
A)main sequence
B)supergiant
C)neutron
D)black hole
7
The surface of the Sun is called the _______.
A)sunspot
B)corona
C)chromosphere
D)photosphere
8
Which is the most common type of star in the universe?
A)giant
B)red dwarf
C)white dwarf
D)neutron
9
What forms from a star that is over 25 times the mass of the Sun?
A)giant star
B)neutron
C)white dwarf
D)black hole
10
Which feature of the Sun can reach 100 million K?
A)CME
B)flare
C)prominence
D)sunspot
11
What is the SgrA*?
A)galaxy
B)star
C)comet
D)supermassive black hole
12
What type of galaxy is the Milky Way?
A)It is an irregular galaxy.
B)It is a colliding galaxy.
C)It is a dwarf elliptical galaxy.
D)It is a spiral or barred spiral galaxy.
13
A _______ is a large group of stars, gas, and dust held together by gravity.
A)star
B)black hole
C)galaxy
D)giant star
14
What is not a type of galaxy?
A)spiral
B)elliptical
C)regular
D)irregular
15
A _______ is simply the mass of the Sun.
A)star mass
B)sunspot
C)solar mass
D)flare
16
When did the universe begin?
A)13.7 million years ago
B)13.7 trillion years ago
C)13.7 thousand years ago
D)13.7 billion years ago
17
The shift in the wavelength of light is called____________.
A)the Hubble Red Shift
B)the Hubble Dark Shift
C)the Hubble Blue Shift
D)dark matter
18
What scientific theory describes how the universe formed?
A)collision
B)oscillating
C)steady state
D)big bang
19
Which of the following adds to the gravity of a galaxy but cannot be seen or detected?
A)dark matter
B)dark energy
C)regular energy
D)regular matter
20
Which of the following may be responsible for the accelerating expansion of the universe?
A)dark matter
B)regular energy
C)dark energy
D)regular matter
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe