WorksheetsET: Components of the Universe: Moons Asteroids Meteors & Comets
Total questions: 14
Worksheet time: 11mins
The universe is made up of a wide variety of components. Which of the following lists places these components of the universe in order from largest to smallest?
Planet, star, nebula, galaxy
Nebula, star, galaxy, planet
Planet, star, galaxy, nebula
Galaxy, nebula, star, planet
Reorder the following in order from largest to smallest.
Galaxy
Nebula
Star
Planet
Correctly label the diagram to represent the relationship between galaxies, stars, and the universe?
Which of the following statements is the best description of a galaxy?
A large object that orbits a star and does not emit light
A sphere of matter with a density and temperature great enough to cause a nuclear reaction at its center
A group of billions of stars, dust, and many other types of objects held together by a gravitational attraction
A collection of dust and gases that forms stars or results from dying stars
From the Earth, the sun appears to be brigher than all of the other stars. Why does the sun appear brighter than all other stars in the universe?
The sun is the star that has the highest temperature
The sun is the largest star in the universe
The sun is the star that is closest to the Earth
The sun is the only yellow star in the universe
The life cycle of a star begins in a (a)
Scientists observe a large, rocky, irregularly shaped object orbiting the sun. This object would best be classified as -
a nebula
an asteroid
a comet
a star
Using the Hubble Space Telescope, scientists observe a large sphere of plasma. The object has a density and temperature great enough to cause a nuclear reaction at its core. This object would best be classified as a -
star
galaxy
nebula
comet
Which of the following lists places the celestial objects in order from smallest to largest?
Galaxy, solar system, universe
Universe, galaxy, solar system
Solar system, galaxy, universe
Universe, solar system, galaxy
Reorder the following celestial bodies in order from smallest to largest.
Solar system
Galaxy
Universe
Planet
Which of these statements correctly compares the masses of different components of the universe?
A star has less mass than a galaxy
A nebula has more mass than a galaxy
A star has less mass than a planet
In January of 1996, an amateur astronomer discovered a small, icy object traveling around the sun. The object was observed to have a long tail composed of gas and dust. Based on this information, the astronomer most likely discovered a -
white dwarf
galaxy
asteroid
comet
The Milky Way is a disk-shaped galaxy with a diameter between 150,000 and 200,000 light years. Scientists on Earth are unable to see the entire shape and structure of the Milky Way. Which statement best explains why scientists are unable to observe the entire shape of the Milky Way galaxy?
The Milky Wy is entirely made of black holes
The Earth is a part of the Milky Way galaxy
Bright supergiant stars are blocking their view of the Milky Way
The Milky Way is too far away to be seen with current technology.
Our solar system contains many objects including planets, comets, and asteroids. Planets, comets, and asteroids travel in elliptical orbits around the sun. What is the reason that these objects travel around the sun along these curved paths?
Magnetic forces cause each object to be repelled by the sun
Solar energy from the sun causes each object to change its trajectory
Potential energy within the core of rocky objects result in curved paths
Gravitational attractions between the sun and these objects affect their motion
