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WorksheetsOrigin of the Universe, Cycles, and Earth
Total questions: 25
Worksheet time: 25mins
According to this theory, the Universe was once a small, hot, and infinitely dense point that massively exploded at some point in time:
Steady State Theory
Big Bang Theory
Big State Theory
Nebular Hypothesis
This is said to be the "remnants" of the expansion that happened about 13 billion years ago.
Cosmic Microscope Background
Cosmic Microwave Background
Cosmologic Microdense Background
Cosmosynthetic Microwave Background
What do you call the theory states that new matter is created as the universe expands thereby maintaining its density?
Steady State Theory
Nuclear Hypothesis
Encounter Hypothesis
Big Bang Theory
Who is the Belgian priest that is credited for the fundamental statement of the Big Bang Theory?
Georges Lemaitre
Sir Hermann Bondi
Thomas Gold
Sir Fred Hoyle
Which of the following was not made when the Big Bang happened?
Matter
Space and Time
Energy
Life
Which of the following eras did galaxies form?
Planck
Hadron
Radiation
Matter
Which of the following is the ancestor of the Four Forces of Nature?
Superforce
Megaforce
Gigaforce
Teraforce
At which epoch did the Universe begin to expand?
Planck
Grand Unification
Inflationary
Hadron
Which two subatomic particles were formed during the Hadron Epoch? Tick two answers.
Electron
Lepton
Neutron
Proton
Which of following hypothesis/theories of the origin of the solar system involves a rogue star?
Encounter Hypothesis
Nebular Theory
Steady-State Theory
Divine Origin
What do you call the precursors of planets?
Planetesimals
Planetoids
Asteroids
Meteoroids
Which of the following does not belong to the group?
Venus
Jupiter
Uranus
Neptune
Which sphere do all life on Earth and even organic matter that has not yet decomposed belong to?
Geosphere
Hydrosphere
Atmosphere
Biosphere
Which process in the water cycle refills the water reservoirs?
Infiltration
Evaporation
Run Off
Precipitation
Which part of the nitrogen cycle makes sure that nitrogen is back in the atmosphere?
Assimilation
Denitrification
Nitrification
Ammonification
Which of the following is not an importance of the phosphorous cycle?
Helps in combustion of fuels
Helps in building stronger bones.
Vital element needed in cell membranes.
It is an essential nutrient.
What type of bacteria is needed in the nitrogen-fixation process?
Salmonella
Diazotroph
Clostridium
Pseudomonas
What do you call the process in which the nitrogen compounds make their way back into the atmosphere?
Nitrification
Denitfrification
Nitrogen fixation
Assimilation
Which of the following does not require oxygen?
combustion
respiration
decomposition
fermentation
Which of the following is not an importance of the Nitrogen Cycle?
Helps plants grow and be nurtured.
Helps clean up the environment.
An integral part in the synthesis of proteins.
Refills the water reservoirs of Earth.
It is the totality of Earth’s water, including the permanently frozen parts.
hydrosphere
geosphere
lithosphere
atmosphere
Refers to the solid Earth, the rocks, minerals, and regoliths.
geosphere
hydrosphere
atmosphere
biosphere
All life on Earth and even organic matter, even the organisms that have already decomposed are included in the biosphere.
True
False
It occurs when snow or ice changes directly into water vapor without becoming water.
Condensation
Sublimation
Precipitation
Infiltration
To which biogeochemical cycle is carbon cycle most related to?
Nitrogen
Oxygen
Phosphorous
Water
