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WorksheetsStructure of Universe
Total questions: 25
Worksheet time: 25mins
A theory that says the universe began as a small point that expanded rapidly about 13.7 billion years ago.
Big Bang Theory
Singularity Theory
Galaxy Theory
What kind of galaxy is this?
Ring
Irregular
Spiral
Elliptical
What type of galaxy do we live in?
Spiral
Elliptical
Irregular
Coaxial
A galaxy which is either spherical (ball like) or a flattened disk is a ___ galaxy.
elliptical
humanoid
irregular
spiral
To study something as vast as the universe and its structures, scientists often find it helpful to organize information in a simplified visual form. Which of the following represents structures of the universe in order from largest to smallest?
universe-->galaxy-->solar system-->planet
solar system-->universe-->planet-->galaxy
planet-->galaxy-->solar system-->universe
planet-->solar system-->galaxy-->universe
Karina, Brady and Brandon are discussing the sizes of different celestial bodies. They have three circles drawn in the sand on the beach, each representing a different celestial body: solar systems, galaxies, and the universe. How can they rearrange the words to correctly match the diagram in terms of sizes in space?
Solar systems in the largest circle, then galaxies, followed by the universe in the smallest circle.
Universe in the largest circle, then galaxies, followed by the solar systems in the smallest circle.
Galaxies in the largest circle, then universe, followed by the solar systems in the smallest circle.
The diagram is already correct.
Which of the following contains billions of galaxies?
star
nebula
universe
. solar system
Which of the following is an accurate description of the relationship between components of the universe?
Stars always contain galaxies
Galaxies contain many stars
Stars contain several nebulae
Nebulae contain many galaxies
Which of these is never ending?
solar system
planet
universe
galaxy
A galaxy that does not have a regular shape?
Spiral
Elliptical
Irregular
Quasar
All of space and everything in it.
planet
solar system
galaxy
universe
Which of the following is the largest?
star
universe
cluster
galaxy
Stars are made of mostly which two gases?
Hydrogen and Nitrogen
Hydrogen and Helium
Hydrogen and Oxygen
Hydrogen and Carbon
Clusters and superclusters are areas throughout the universe, where galaxies are .....
densely concentrated.
less concentrated
at the same distance from each other
A ..... is a large collection of stars, gas, and dust
moon
star
planet
galaxy
What is the largest known structure in the universe?
A) Galaxy
B) Solar System
C) Supercluster
D) Universe
Which of the following is a method used by astronomers to measure the distance to nearby stars?
A) Parallax
B) Redshift
C) Doppler Effect
D) Spectroscopy
What is the primary component of dark matter in the universe?
A) Neutrinos
B) WIMPs (Weakly Interacting Massive Particles)
C) Photons
D) Electrons
Which of the following best describes a black hole?
A) A region of space with strong magnetic fields
B) A star that has exploded
C) A region of space where gravity is so strong that nothing, not even light, can escape
D) A large asteroid
What is the cosmic microwave background radiation?
A) Radiation from the sun
B) Remnant heat from the Big Bang
C) Light from distant galaxies
D) Emissions from black holes
Which of the following is a characteristic of a spiral galaxy?
A) It has no defined shape
B) It is spherical
C) It has a flat, rotating disk with arms
D) It is composed mostly of dark matter
What is the main force that holds galaxies together?
A) Electromagnetic force
B) Gravitational force
C) Nuclear force
D) Weak force
Which of the following is true about the expansion of the universe?
A) It is slowing down
B) It is speeding up
C) It has stopped
D) It is constant
What is the term for a group of stars that form a pattern in the sky?
A) Galaxy
B) Constellation
C) Nebula
D) Cluster
Which of the following elements is most abundant in the universe?
A) Oxygen
B) Carbon
C) Hydrogen
D) Helium
