WorksheetsAstronomy Unit Review
Total questions: 33
Worksheet time: 20mins
The Big Bang is said to have occurred
4.6 billion years ago
13.8 million years ago
100 thousand years ago
13.8 billion years ago
Which scientist is credited for discovering red shift in stars spectra?
Newton
Doppler
Foucault
Einstein
Stars that show red shift are. . .
moving away from Earth
moving toward Earth
remaining stationary
In what star stage is the Sun currently in?
Main Sequence
Supergiant
Giant
Dwarf
Why do we always see the same side of the moon?
Earth rotates at the same speed that the Moon rotates
The Moon's rotation and revolution are equal
The Moon does not rotate
The Earth revolves around the Sun
Which statement is true about Jovian planets?
Jovian planets have longer periods of rotation than Terrestrial planets do
Jovian planets are made mostly of gas and have a high density
Jovian planets have shorter periods of revolution than Terrestrial planets do
Jovian planets are larger in diameter but small in density than Terrestrial planets are
All energy in this diagram is arranged by
speed
wavelength
color
accuracy
Which planet has an orbital eccentricity most like the orbital eccentricity of the Moon?
Saturn
Mars
Mercury
Neptune
Which evidence best supports the theory that the universe began with a massive explosion?
cosmic background radiation in space
parallelism of Earth's axis
radioactive dating of Earth's bedrock
life cycle of stars
Which statement describes the general relationship between the temperature and the luminosity of main sequence stars?
As temperature decreases, luminosity increases.
As temperature decreases, luminosity remains the same.
As temperature increases, luminosity increases.
As temperature increases, luminosity remains the same.
Which sequence correctly lists the relative sizes from smallest to largest?
our solar system, universe, Milky Way Galaxy
our solar system, Milky Way Galaxy, universe
Milky Way Galaxy, our solar system, universe
Milky Way Galaxy, universe, our solar system
A blue shift of the light from a star indicates that the star
will soon become a main sequence star
will soon become a dwarf star
is moving closer to Earth
is moving further away from Earth
Planets that are closest to the Sun are identified as
low-density jovian planets
low-density terrestrial planets
high-density jovian planets
high-density terrestrial planets
The diagrams below represent the constellations seen by an observer in New York State while looking toward the southern horizon at midnight on July 9 and January 8.
Which motion is mainly responsible for the difference in the constellations visible at midnight on these two dates?
The Sun orbits Earth
Earth orbits the Sun
The stars in the constellations orbit Earth
Earth orbits the stars in the constellations
The Milky Way galaxy is best described as
a type of solar system
a constellation visible to everyone on Earth
a region in space between the orbits of Mars and Jupiter
a spiral-shaped formation composed of billions of stars
Evidence that the universe is expanding is best provided by the
red shift in the light from distant galaxies
change in the swing direction of a Foucault pendulum on Earth
parallelism of Earth's axis in orbit
spiral shape of the Milky Way galaxy
Barnard's Star has a surface temperature of about
300 ºC
3000 ºC
5000 ºC
10,000 ºC
Base your answer on the diagram below which represents a planet, P, in an elliptical orbit around a star located at F1. The foci of the elliptical orbit are F1 and F2. Orbital locations are represented by P1 through P6.
The gravitational attraction between planet P and the star is greatest when the planet is located at position
P1
P2
P3
P4
In our solar system, the orbits of the planets are best described as
circular, with the planet at the center
circular, with the Sun at the center
elliptical, with the planet at one of the foci
elliptical, with the Sun at one of the foci
The Earth reaches its greatest orbital speed when it is
closest to the Moon
farthest from the Moon
closest to the Sun
farthest from the Sun
Which planetary model do scientists accept?
The planets' orbits are circles in a geocentric model
The planets' orbits are ellipses in a geocentric model
The planets' orbits are circles in a heliocentric model
The planets' orbits are ellipses in a heliocentric model
