EARTH SCI 2GG3 FINAL PRACTICE
EXAMINATION 2026 QUESTIONS WITH
ANSWERS GRADED A+
◍ How are planets grouped in the solar system?.
Answer: Compositions and distance from the sun
◍ What are the main parts of the hydrological cycle?.
Answer: Evaporation/ Condensation/ Precipitation/ Transpiration
◍ Space Missions.
Answer: (Apollo missions, Challenger and Columbia)
◍ Water vapor is found in which layer of the atmosphere.
Answer: tropo
◍ Identify Comets.
Answer: are made of dust, frozen water, carbon dioxide, methane, and
ammonia.
◍ Albedo.
Answer: The amount of energy reflected by a surface
◍ What is the rotation of the earth?.
Answer: The period it takes for the earth to revolve on its axis which is 24
hrs.
◍ The Atlantic Ocean.
Answer: Second largest ocean
◍ What is a powerful tool that rotates in Earth's orbit and takes visual images
of space?.
Answer: Hubble telescope
,◍ what biome gets less than 10 inches of rain per year?.
Answer: the desert
◍ What type of biome dominates where we live?.
Answer: Deciduous forest
◍ Identify source region.
Answer: Source Regions are where the air masses get their humidity and
temperature.
◍ How long does it take the earth to make one revolution around the sun?.
Answer: 360 days or 1 year
◍ What are the layers of the Earth from the surface to the inner core?.
Answer: Crust/ Mantle/ Outer core/ Inner Core
◍ What type of crust ALWAYS subducts: Oceanic or continental?.
Answer: Oceanic
◍ What is the average weather over a long period of time called?.
Answer: Climate
◍ Abyssal Plain.
Answer: A flat area of the ocean floor, covered with sand, mud, and plant
and animal remains
◍ What is Kepler's 1st law?.
Answer: The Law of Orbits: The orbits of the planets are ellipses, with the
Sun at one focus of the ellipse.
◍ Identify Asteroid belt.
Answer: (space between mars and jupiter where asteroids are in orbit)
◍ What is Rotation?.
Answer: The period it takes for an object to rotate on its axis
◍ Is water specific heat is lower or higher than land..
Answer: Waters heat is higher than on land because it takes longer for it to
warm and longer for it to cool.
, ◍ What is Ozone made of?.
Answer: 3 oxygen atoms
◍ What layer do meteors burn?.
Answer: Meso
◍ Identify Nebula.
Answer: mixture of gasses and dust
◍ What is Revolution?.
Answer: The period it takes for an object to revolve around the sun
◍ Gravity Increases when Objects are: Closer together or farther apart.
Answer: Closer together
◍ Identify the 3 causes of wind..
Answer: DIFFERENCES IN SOLAR HEATING, DIFFERENCES IN
TEMPATURE, DIFFERENCES IN AIR PRESSURE
◍ Which biome has low growing, matted, and hairy plants because the
permafrost is too hard to grow into?.
Answer: Arctic tundra
◍ How many planets are in our solar system?.
Answer: 8
◍ What is the difference between point source pollution and non point source
pollution?.
Answer: Point source pollution is pollution that comes from a single source.
Non point source pollution is pollution that comes from many different
sources
◍ Sonar.
Answer: Sound navigation system
◍ Describe Earths Shape..
Answer: Oblate Spheroid
◍ What layer of the atmosphere can you identify auroras?.
EXAMINATION 2026 QUESTIONS WITH
ANSWERS GRADED A+
◍ How are planets grouped in the solar system?.
Answer: Compositions and distance from the sun
◍ What are the main parts of the hydrological cycle?.
Answer: Evaporation/ Condensation/ Precipitation/ Transpiration
◍ Space Missions.
Answer: (Apollo missions, Challenger and Columbia)
◍ Water vapor is found in which layer of the atmosphere.
Answer: tropo
◍ Identify Comets.
Answer: are made of dust, frozen water, carbon dioxide, methane, and
ammonia.
◍ Albedo.
Answer: The amount of energy reflected by a surface
◍ What is the rotation of the earth?.
Answer: The period it takes for the earth to revolve on its axis which is 24
hrs.
◍ The Atlantic Ocean.
Answer: Second largest ocean
◍ What is a powerful tool that rotates in Earth's orbit and takes visual images
of space?.
Answer: Hubble telescope
,◍ what biome gets less than 10 inches of rain per year?.
Answer: the desert
◍ What type of biome dominates where we live?.
Answer: Deciduous forest
◍ Identify source region.
Answer: Source Regions are where the air masses get their humidity and
temperature.
◍ How long does it take the earth to make one revolution around the sun?.
Answer: 360 days or 1 year
◍ What are the layers of the Earth from the surface to the inner core?.
Answer: Crust/ Mantle/ Outer core/ Inner Core
◍ What type of crust ALWAYS subducts: Oceanic or continental?.
Answer: Oceanic
◍ What is the average weather over a long period of time called?.
Answer: Climate
◍ Abyssal Plain.
Answer: A flat area of the ocean floor, covered with sand, mud, and plant
and animal remains
◍ What is Kepler's 1st law?.
Answer: The Law of Orbits: The orbits of the planets are ellipses, with the
Sun at one focus of the ellipse.
◍ Identify Asteroid belt.
Answer: (space between mars and jupiter where asteroids are in orbit)
◍ What is Rotation?.
Answer: The period it takes for an object to rotate on its axis
◍ Is water specific heat is lower or higher than land..
Answer: Waters heat is higher than on land because it takes longer for it to
warm and longer for it to cool.
, ◍ What is Ozone made of?.
Answer: 3 oxygen atoms
◍ What layer do meteors burn?.
Answer: Meso
◍ Identify Nebula.
Answer: mixture of gasses and dust
◍ What is Revolution?.
Answer: The period it takes for an object to revolve around the sun
◍ Gravity Increases when Objects are: Closer together or farther apart.
Answer: Closer together
◍ Identify the 3 causes of wind..
Answer: DIFFERENCES IN SOLAR HEATING, DIFFERENCES IN
TEMPATURE, DIFFERENCES IN AIR PRESSURE
◍ Which biome has low growing, matted, and hairy plants because the
permafrost is too hard to grow into?.
Answer: Arctic tundra
◍ How many planets are in our solar system?.
Answer: 8
◍ What is the difference between point source pollution and non point source
pollution?.
Answer: Point source pollution is pollution that comes from a single source.
Non point source pollution is pollution that comes from many different
sources
◍ Sonar.
Answer: Sound navigation system
◍ Describe Earths Shape..
Answer: Oblate Spheroid
◍ What layer of the atmosphere can you identify auroras?.
