2025 Earth Science Reference Table Review

Complete 100 questions about the 2025 Earth Science Reference table

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Last updated: April 11, 2025

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Hint	Answer
Period of Rotation at the Equator of the sun? (in days)	27
Eccentricity of Mercury's Orbit?	0.206
Eccentricity of Venus's Orbit?	0.007
Axial tilt of the Sun?	7.25
Eccentricity of Earth's Orbit?	0.017
Revolution Period of Mercury? (in days)	88
Eccentricity of Neptune's orbit?	0.009
Axial tilt of Uranus?	97.77
Axial tilt of Jupiter?	3.13
Eccentricity of Saturn?	0.054
Element that primarily makes up the Earth's core?	Iron
Color of Sirius B?	White
Color of Beta Centauri?	White
Color of our Sun?	Yellow
Color of Betelgeuse?	Red
Earliest stage of a star?	Protostar
What era do the Oldest Rocks in New York State come from?	Mesoproterozoic
What era is the Jurassic Period a part of?	Mesozoic
Period that the earliest dinosaurs date back to?	Triassic
Era that humans date back to?	Cenozoic
The Cambrian Period is in what era?	Paleozoic
Period where the first horses and whales appeared?	Paleogene
Era where the oldest undisputed evidence for life exists?	Paleoarchean
In what period did the oldest sauropods start to exist?	Jurassic
Period where the earliest Amphibians started to exist?	Devonian
Longitude of NYC? (to the nearest degree)	74
Latitude of Niagra Falls? (to the nearest degree)	43
Longitude of Ronkonkoma? (to the nearest degree)	73
Longitude of Binghamton? (to the nearest degree)	76
Latitude of Binghamton? (to the nearest degree)	42
Latitude of Syracuse? (to the nearest degree)	43
Longitude of Mt. Marcy? (to the nearest degree)	74
Longitude of Buffalo? (to the nearest degree)	79
How many Kilometers thick is Earth's mantle?	2900
How deep is Earth's inner core?	5150
Property of a mineral causing it to break geometricly?	Cleavage
What Process forms igneous rocks from magma?	Solidification
What type of rock is formed from compacted sediments?	Sedimentary
What process starts the breakdown of rocks into sediments?	Weathering
What process changes rocks due to heat and pressure?	Metamorphism
What causes rocks to change form deep underground?	Pressure
What process turns limestone into marble?	Recrystallization
What natural event creates volcanic tuff?	Eruption
What is produced when rocks are broken down at the surface?	Sediments
What type of boundary is marked by two plates moving apart?	Divergent
What type of boundary involves plates colliding?	Convergent
Which tectonic plate lies mostly beneath the Pacific Ocean?	Pacific
Which plate includes most of Africa?	African
What is the name of the plate between the Pacific and the North American plates?	JuanDeFuca
What plate subducts underneath the South American plate?	Nazca

Hint	Answer
Which plate contains the Himalayas?	Eurasian
Chemical Symbol for Iron?	Fe
Chemical Symbol for Silver?	Ag
Chemical Symbol for Nickel?	Ni
Chemical Symbol for Zinc?	Zn
Diameter of Mars in Kilometers?	6792
Element being Converted into Helium by the Sun Right now?	Hydrogen
Light Color indicating something coming towards you?	Blue
Light Color indicating something going away from you?	Red
Highest Frequency light waves?	Gamma
Lowest Frequency light waves?	Radio
Softest Mineral?	Talc
Hardest Mineral?	Diamond
Mineral with a Hardness of 9?	Corundum
What mineral forms first when magma cools?	Olivine
What changes in the continuous series of Bowen's Reaction?	Composition
What is the last mineral to form from magma?	Quartz
What mineral is in both intermediate and felsic rocks?	Feldspar
Plagioclase changes from calcium to what?	Sodium
Unit which wind speed is calculated in?	Knots
Shape used to represent a cold front?	Triangle
Which element has a wavelength of 460?	Silicon
What do stars end as?	Black holes
Hardness of a glass plate?	5.5
Hardness of a copper penny?	3.5
Hardness of your fingernail?	2.5
Weather condition represented by a triangle on a weather map?	Hail
What does H stand for on a weather map?	High
What does a filled in circle mean for sky cover?	Completely Overcast
What symbol represents calm wind?	Circle
What does an empty circle mean for sky cover?	No clouds
What front is represented by alternating triangles and semicircles?	Occluded
What cell is closest to the poles?	Polar
Which cell is between 0 degrees and 30 degrees latitude?	Hadley
Which direction do polar easterlies blow from?	East
What pressure system is found at 30 degrees latitude?	High
Where is the troposphere highest in altitude?	Equator
What pressure is near the poles?	High
Cell between 30 and 60 degrees latitude?	Ferrel
Daughter decay product of Carbon-14?	Nitrogen-14
Half-life of Carbon-14? (in years)	5730
Parent isotope of Argon-40?	Potassium-40
What kind of current is the Gulf Stream?	Warm
What kind of current is the California Current?	Cold
Which ocean has the Kuroshio Current?	Pacific
What Direction does the Equatorial Countercurrent flow?	East
What current flows west of South America?	Peru
What current flows west of Canada?	Alaska
What ocean has the Agulhas Current?	Indian
What continent does the Norwegian Current go past?	Europe

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