WorksheetsGrade 11 - Earth Science First Monthly Exam
Total questions: 65
Worksheet time: 52mins
The most commonly accepted scientific theory of how the universe formed.
The Big Bang Show
The Big Bang Theory
The Electromagnetic Theory
The Steady State Theory
A shift of light wavelengths towards the blue end of the electromagnetic spectrum that takes place when a light source is moving towards an observer (Earth).
Rainbow
Blue Shift
Visible Light
Weak radiation in space that is left over from the first stages of the Big Bang that theoretically created the universe.
Cosmic Background Radiation
Static
Singularity
Edwin Hubble discovered that the universe is expanding from his observation of __________
Photons
Red Shifts
Conservation of Momentum
Gravitational Pul
States that the universe expands but did not change its density
Multiverse Theory
Steady State Theory
Atomic Universe
Primordial Universe
The red-shift in the spectral lines of light, reaching us from other galaxies implies that these galaxies ____________.
Are moving closer to one another
Are moving farther apart from one another
Redshift does not exist
Are in rapid rotation
A star is born when:
nuclear fusion starts
a nebula becomes a protostar
gases in a nebula condense
hydrogen is used up in fusion processes
What were the original two elements in our universe?
Hydrogen and Lithium
Helium and Oxygen
Helium and Hydrogen
Hydrogen and Oxygen
modification of the Big Bang theory, in which an expanding universe eventually reverses and collapses back to a Big Crunch before starting to expand again, forming one cycle of an endless series.
Oscillating theory
Steady State theory
Bing Bang theory
Big Crunch thoery
The planets are all equally distanced from each other.
phosphorous cycle
Which correctly shows the 4 most abundant gasses in order from most abundant to least abundant?
Nitrogen, Oxygen Argon, Carbon Dioxide, Ozone
Oxygen, Nitrogen, Ozone, Carbon Dioxide, Argon
Ozone, Nitrogen, Oxygen, Carbon Dioxide, Argon
Oxygen, Ozone, Nitrogen, Argon, Carbon Dioxide
Most of the mass in Earth's atmosphere is found:
In the exosphere.
In the stratosphere.
In the thermosphere.
In the troposphere.
What keeps the molecules of gases around Earth?
Earth's size
Earth's gravity
Earth's inner core
Earth's magnetic field
If you climbed a mountain, how you you expect the temperature to change as you climbed higher?
Temperature would increase
Temperature would decrease
Temperature would not change
Oceanic crust is _____ than continental crust.
denser
less dense
Why do living things need nitrogen?
To get energy
To make amino acids
To make proteins
To make proteins AND amino acids
What cycle are fossil fuels part of ?
carbon
oxygen
nitrogen
phosphorus
What is the largest reservoir for water?
the ocean
rocks and minerals
the atmosphere
glaciers
Where is the largest reservoir for the phosphorus cycle?
rocks and minerals
the ocean
the atmopshere
fossil fuels
What is the largest reservoir for nitrogen?
the ocean
rocks and minerals
the atmosphere
bacteria
