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WorksheetsOrigin of Universe
Total questions: 15
Worksheet time: 3hrs 30mins
Which color of visible light has the shortest wavelength?
(1) violet
(2) green
(3) yellow
(4) red
A major piece of evidence supporting the Big Bang theory is the observation that wavelengths of light from stars in distant galaxies show a
(1) redshift, appearing to be shorter
(2) redshift, appearing to be longer
(3) blueshift, appearing to be shorter
(4) blueshift, appearing to be longer
The photograph below shows a feature of the universe as seen through a telescope.
(1) a galaxy
(2) a comet
3) an asteroid
(4) a star
Fourteen billion years represents the approximate age of
(1) Earth
(2) Earth’s Moon
(3) our solar system
(4) the universe
Earth, the Sun, and billions of stars are contained within
(1) a single constellation
(2) the Milky Way galaxy
(3) the solar system
(4) a giant cloud of gas
Light from distant galaxies most likely shows a
(1) red shift, indicating that the universe is expanding
(2) red shift, indicating that the universe is contracting
(3) blue shift, indicating that the universe is expanding
(4) blue shift, indicating that the universe is contracting
According to astronomers, the age of the universe is estimated to be
(1) 1.3 billion years
(2) 4.6 billion years
(3) 7.9 billion years
(4) 13.8 billion years
Which evidence best supports the theory that the universe began with a massive explosion?
(1) cosmic background radiation in space
(2) parallelism of planetary axes
(3) radioactive dating of Earth’s bedrock
(4) life cycle of stars
The flowchart shows the evolution of stars.
Identify the force responsible for the contraction of a nebula (a gas cloud of molecules) to form a protostar.
antimatter
gravity
electromagnetic spectrum
radioactive dating
Which object in space emits light because it releases energy produced by nuclear fusion?
(1) Earth’s Moon
(2) Halley’s comet
(3) Venus
(4) Polaris, the north star
Which process generates the energy that is released by stars?
(1) nuclear fusion
(2) thermal conduction
(3) convection currents
(4) radioactive decay
In which sequence are the items listed from least total mass to greatest total mass?
A) solar system, Milky Way, universe
B) Milky Way, solar system, universe
C) universe, Milky Way, solar system
D) Milky Way, universe, solar system
How many stars are in our Solar System?
1
100
1,000
1,000,000,000
An exoplanet is a...
dead planet revolving around a star
growing planet revolving around a star
planet revolving a star outside our solar system
planet revolving a star inside our solar system
What key property of a star determine its life cycle?
temperature
brightness
color
mass
