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WorksheetsEarth & Space CA1 Cosmology
Total questions: 20
Worksheet time: 25mins
Which description is considered most accurate regarding what actually happened during the Big Bang?
Two galaxies collided causing an immense explosion as stars crashed into one another
All of what would become the universe was concentrated in a single small point, or singularity, which rapidly expanded into what is now stars, planets, galaxies, matter, and energy.
All matter emerged from a massive black hole at the center of the universe.
Parts of the sun were ripped off by massive internal explosions and were thrown into space where they cooled to become other things, like plants, comets, and other galaxies.
If something that makes light is moving away from you, it spreads the wavelengths of light out. This application of the Doppler effect is known as ___.
blue shift
green shift
red shift
black shift
Most distant galaxies show a red shift. This is considered evidence that the universe is ___.
getting cooler
expanding
condensing into a small point
swirling around
The Big Bang Theory explains the formation of the...
Earth
Sun
Universe
Solar System
Nuclear fusion converts matter into energy
true
false
The matter between stars is called
asteroid belt
space
interstellar medium
Kuiper Belt
What does a light-year measure
volume
weight
circumference
distance
Stars form from ______________.
nebula
oxygen
interstellar medium
black holes
The professional who studies the stars is...
an astronaut.
an astrologer.
an astronomer.
With which of the following theories is the formula E=mc2 most closely associated?
Relativity
Ohm's Law
Planck's Law
The Blackbody Effect
in E=mc2 E means?
Centimeters
Energy
Mass
Light
Which subatomic particle is negatively charged?
proton
neutron
electron
quark
