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WorksheetsTEKS 8.8
Total questions: 25
Worksheet time: 25mins
The luminous star, composed mainly of hydrogen and helium, around which Earth and other planets revolve.
Nebula
Sun
Supernova
A grouping of all possible energy levels of electromagnetic radiation from radio waves to gamma rays, including visible light.
Electromagnetic Spectrum
Electromagnetic Radiation
Wavelength
The distance between any two corresponding points on successive oscillations of a wave, such as from peak to peak.
Electromagnetic Spectrum
Wavelength
Luminosity
A galaxy with a bulge in the center and very distinct long arms winding around the center.
Elliptical Shaped Galaxy
Spiral Shaped Galaxy
Irregular Shaped Galaxy
An atom of which element is represented by this model?
Carbon (C)
Neon (Ne)
Sodium (Na)
Boron (B)
Large cloud of gas and dust in interstellar space; the location of star formation.
Nebula
Supernova
Black Hole
Stable stars in the middle developmental phases that plot along a continuous diagonal belt on the H-R Diagram.
Main Sequence
Supernova
Black Hole
Which of the following best describes a nebula. A nebula is
a region in the solar system that is occupied by irregularly shaped bodies
a large and icy celestial body with an irregular orbit around the Sun
a natural satellite created by the collision of two large asteroids
an interstellar cloud of dust, hydrogen, helium and other gases
Use the Hertzsprung Russell Diagram to answer the following question. Which of these observations of Procyon is most likely accurate?
Procyon is less bright than the Sun, has a surface temperature below 5,000 oC, and is red orange.
Procyon is brighter than the Sun, has a surface temperature below 5,000 oC, and is red orange.
Procyon is brighter than the Sun, has a surface temperature of about 6,000 oC, and is yellow.
Procyon is less bright than the Sun, has a surface temperature of about 6,000 oC, and is yellow
Use the Hertzsprung Russell Diagram to answer the following question. Which of these observations of Tau Ceti is most likely accurate?
Tau Ceti is less bright than the Sun, has a surface temperature above 5,000 oC, and is red orange.
Tau Ceti is brighter than the Sun, has a surface temperature below 5,000 oC, and is red orange.
Tau Ceti is brighter than the Sun, has a surface temperature below 5,000 oC, and is yellow.
Tau Ceti is less bright than the Sun, has a surface temperature above 5,000 oC, and is yellow
Based on this diagram which type of stars would belong to spectral class G and have the highest luminosity?
Main Sequence Stars
Giants
Super Giants
White Dwarfs
Use the Hertzsprung Russell Diagram to answer the following question. How do the characteristics of Vega and Rigel compare?
Vega is cooler and less bright than Rigel.
Vega is hotter and brighter than Rigel.
Vega is cooler and brighter than Rigel.
Vega is hotter and less bright than Rigel.
Use the Hertzsprung Russell Diagram to answer the following questions. A star that is several thousand time brighter than the sun with a temperature lower than 5,000oC and is red.
Betelgeuse
Deneb
Sirius B
Barnard's Star
Use the Hertzsprung Russell Diagram to answer the following questions. A star that is several thousand time dimmer than the sun with a temperature higher than 6,000oC and is a white dwarf.
Betelgeuse
Deneb
Sirius B
Barnard's Star
Which statement best describes a galaxy?
A cloud of gas that is the birthplace of stars
A system of billions of stars, gas, and dust held together by gravity
A ball of plasma that experiences nuclear fusion in its core
A mass of dust and ice that orbits a star in an elliptical pattern
The spectral classes of four stars are shown in comparison with a Hertzsprung-Russell diagram.
Based on the information, which star is most like the sun?
Star 1
Star 2
Star 3
Star 4
Which area of the diagram represents the white dwarfs?
Area M
Area X
Area P
Area Z
The Hertzsprung-Russell diagram shows how the sun is classified among the stars. A star that is several thousand times brighter than the sun with a temperature lower than 4,000 K would be classified as —
a main-sequence star in spectral class B
a supergiant in spectral class K
a main-sequence star in spectral class K or M
a white dwarf in spectral class B
Two stars are identified on the Hertzsprung-Russell diagram below. Based on this diagram, how do the characteristics of Star 1 and Star 2 compare?
Star 1 is cooler and less bright than Star 2.
Star 1 is hotter and brighter than Star 2.
Star 1 is cooler and brighter than Star 2
Star 1 is hotter and less bright than Star 2
Based on this diagram, which type of stars would belong to spectral class M and have the highest luminosity?
Main-sequence stars
Giants
White dwarfs
Supergiants
The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related.
Which of these observations of Barnard’s Star is most likely accurate?
Barnard’s Star is less bright than the sun, has a surface temperature below 3,800 K, and is red.
Barnard’s Star is less bright than the sun, has a surface temperature above 3,800 K, and is red.
Barnard’s Star is brighter than the sun, has a surface temperature below 5,300 K, and is yellow
Barnard’s Star is brighter than the sun, has a surface temperature above 5,300 K, and is yellow
TEKS 8.8: The process by which stars produce energy through nuclear fusion involves which of the following elements?
A) Carbon and Oxygen
B) Hydrogen and Helium
C) Iron and Nickel
D) Silicon and Sulfur
TEKS 8.8: Which of the following best describes the life cycle stage of a star that is currently fusing hydrogen into helium in its core?
A) Red Giant
B) White Dwarf
C) Main Sequence
D) Neutron Star
TEKS 8.8: What is the primary factor that determines the life cycle stages of a star?
A) The star's temperature
B) The star's mass
C) The star's distance from Earth
D) The star's luminosity
TEKS 8.8: Which of the following phenomena occurs when a massive star exhausts its nuclear fuel and its core collapses?
A) Formation of a Nebula
B) Supernova Explosion
C) Formation of a Planetary System
D) Creation of a Comet
