Earth-Sci

Question 1

A collection of planets, moons, asteroids and other celestial objects that orbits around the sun.

Answer 1

Solar System

Question 2

It is the source of all light and the largest object in the solar system, contains 99.86% of mass.

Answer 2

Sun

Question 3

A large bunch of stars clustered together in space.

Answer 3

Galaxy

Question 4

Our home galaxy is called?

Answer 4

Milky Way Galaxy

Question 5

The nearest neighboring galaxy is called?

Answer 5

Andromeda Galaxy

Question 6

Types of Galaxies (3):

Answer 6

Spiral, Elliptical, Irregular

Question 7

It orbits the sun and has enough gravity to create a round shape and clear away other objects of same size.

Answer 7

Planet

Question 8

: Smallest planet, nearest to the Sun, “Hermes/Travel”

Answer 8

Mercury

Question 9

: Rots. = 59 hours
: Revs. = 88 E-days

Answer 9

Mercury

Question 10

: Hottest planet, has thick atmosphere, Earth’s twin, “Aphrodite/Beauty”

Answer 10

Venus

Question 11

: Rots. = 243 E-days
: Revs. = 225 E-days

Answer 11

Venus

Question 12

: Angled 23.4° that causes seasons, German word for ground, only place in known universe to hold life

Answer 12

Earth

Question 13

: Rots. = 23.9 hours
: Revs. = 365.25 days

Answer 13

Earth

Question 14

: Galileo 1610, Red due to Fe, “Ares/War”

Answer 14

Mars

Question 15

: Rots. = 24 hours & 40 mins
: Revs. = 687 E-days

Answer 15

Mars

Question 16

: Largest planet, gas giant, its moons may sustain life, “Zeus, King of Planets”
: What is its four moons called?

Answer 16

Jupiter

Io, Europa, Ganymede, Callisto

Question 17

: Rots. = 10 hours
: Revs. = 12 E-years

Answer 17

Jupiter

Question 18

: Big ball made of H and He, has seasons and rings, “Cronus/Agriculture”

Answer 18

Saturn

Question 19

: Rots. = 10.7 E-days
: Revs. = 29.4 E-years

Answer 19

Saturn

Question 20

: William Herschel 1871, weirdest and the coldest, blue-green due to methane, 1 of 2 ice giants, “Sky”

Answer 20

Uranus

Question 21

: Rots. = 17 hours
: Revs. = 84 E-years

Answer 21

Uranus

Question 22

: Windiest and farthest, blue due to methane, “Poseidon/Sea”

Answer 22

Neptune

Question 23

: Rots. = 16 hours
: Revs. = 165 E-years

Answer 23

Neptune

Question 24

Orbits between Mars and Jupiter, in a grouping meaning star-like piles of rock

Answer 24

Asteroid Belt

Question 25

Doughnut-shaped region of icy objects beyond the orbit of Neptune, home to Pluto and most known dwarf planets

Answer 25

Kuiper Belt

Question 26

Home of comets, shell of icy bodies

Answer 26

Oort Clouds

Question 27

Has strong gravitational attraction that not even light can escape

Answer 27

Black Hole

Question 28

It is a property of space, possesses its own energy causing the universe to expand, proposed by Albert Einstein

Answer 28

Dark Matter

Question 29

A mostly accepted theory about the origin of the solar system around 4.5 billion years ago, the solar system was formed due to a rotating cloud of gas.

Answer 29

Nebular Theory

Question 30

Who proposed Nebular theory?

Answer 30

Immanuel Kant, & Pierre-Simon Laplace

Question 31

A theory that states the planets are formed from accretion of small bodies, based around Nebular theory.

Answer 31

Planetesimal Theory

Question 32

Who proposed Planetesimal theory?

Answer 32

Proposed by: - Viktor S. Safronov Developed by: - Thomas Chrowder Chamberlin - Forest Ray Moulton

Question 33

A theory that proposes the formation of the solar system is cause by ____ force; bodies are together colliding; backed by old meteorites.

Answer 33

Tidal Theory

Question 34

Who proposed Tidal theory?

Answer 34

James Jeans, & Sir Harold Jeffreys

Question 35

Earth Systems are divided into? (4)

Answer 35

Geosphere, Atmosphere, Biosphere, & Hydrosphere

Question 36

The earths solid portion; and its parts along with borders.

Answer 36

Geosphere: Crust -> Mohorovicic Discontinuity -> Mantle -> Guttenberg Discontinuity -> Outer Core -> Lehman Discontinuity -> Inner Core

Question 37

Mohorovicic Discontinuity, who, where & and when?

Answer 37

Andrija Mohorovicic, Croatia-1909

Question 38

Guttenberg Discontinuity, who, where & and when?

Answer 38

Beno/Weichert Guttenberg, German-1912

Question 39

Lehman Discontinuity, who, where & and when?

Answer 39

Inge Lehman, Danish-1959

Question 40

Mantle is what % of Earth's Surface?

Answer 40

84%

Question 41

Solid Inside, Liquid Outside; made of Fe & Ni.

Answer 41

Core

Question 42

Water Cycle is made of three parts.

Answer 42

Evaporation, Condensation, & Precipitation

Question 43

It is mostly made out of N.

Answer 43

Atmosphere

Question 44

Parts of atmosphere from inwards to outwards.

Answer 44

Troposphere -> Tropopause -> Stratosphere -> Stratopause -> Mesosphere -> Mesopause -> Thermosphere -> Thermosphere -> Exosphere

Question 45

The densest layer, has high turbulence and weather variation.

Answer 45

Troposphere

Question 46

Contains the ozone layer, has steady winds.

Answer 46

Stratosphere

Question 47

The coldest layer, has a minimum of -90°C temperature.

Answer 47

Mesophere

Question 48

The hottest layer that contains Aurora Australis & Borealis, its temperature can reach 1000°C.

Answer 48

Thermosphere

Question 49

Tackles about respiration, photosynthesis, food web/chain.

Answer 49

Biosphere

Question 50

Food Web/Chain participants:

Answer 50

Decomposers, Omnivores, Carnivores, & Herbivores.