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WorksheetsEarth & Life Reviewer
Total questions: 20
Worksheet time: 10mins
CMB is
(a)
The currently accepted theory
Steady state Theory
NoMin Theory
Big-bang Theory
Ta Ra Ra Boom Te Ay Theory
It is the collection of objects gravitationally bound to Sun.
Steady state
Matter domination
Cosmic Microwave Background
Solar System
Sedimentary rocks are transported by water, wind, and gravity
True
False
Stars and Galaxies
300 million years
10,000 years
10−6 s
300,000 years
Cosmic background radiation was discovered in the year
1945
1972
13.8 BYA
1964
Unresolved Problems (not included)
Horizon
Flatness
Hermes
Monopole
Natural Laws (not included)
Electroweak force
Weak Nuclear force
Strong Nuclear Force
Gravity
Mineral Properties (not included)
Streak
Cleavage
Form
Hardness
Different elements that compose the Earth’s crust (not included)
Potassium
Helium
Titanium
Hydrogen
It is the light and very thin outer skin of the Earth
Core
Crust
Steady state - matter is constantly delayed as the universe expands
True
False
Mass of Earth
4.87 kg
5.97 kg
4.23 kg
7.12 kg
Who formulated the modern Big-bang Theory?
Georges Lemiater
Isaac Newton
George Washington
Georges Lemaitre
Earth (false)
Diameter: 12,736 km
70% water 30% land
Habitable
Temperature: 15°C
Eon; Era; Period; Epoch
Fossils
Ichnofossils
Geologic Time Scale
Geologic Structure
Deals with the origin, composition, structure, and classification of rocks
Relative
Trace Fossils
Stratigraphy
Petrology
Places actual ages of rocks and events; numerical
Absolute
Relative
Igneous rocks form below the Earth's surface when magma wells up from the Earth’s inner mantle or deep crust and then cools and hardens
True
False
Opaque Era (2 are false)
Over the next few minutes, things cooled down very fast.
The universe was very small until it became football sized.
Dark age period: There were no stars.
Universe is now cold enough to allow most of the neutrons to decay into protons and form the first atom, hydrogen.
