Ctrl + F is the shortcut in your browser or operating system that allows you to find words or questions quickly.
Ctrl + Tab to move to the next tab to the right and Ctrl + Shift + Tab to move to the next tab to the left.
On a phone or tablet, tap the menu icon in the upper-right corner of the window; Select "Find in Page" to search a question.
Share UsSharing is Caring
It's the biggest motivation to help us to make the site better by sharing this to your friends or classmates.
The study of the Earth's structure, properties, processes, and four and a half billion years of biotic evolution for the maintenance of life on the planet.
The breakdown of rocks by oxygen and water, often giving iron-rich rocks a rusty color is called oxidation.
Rich in minerals that leached (moved down) from the A or E horizons and accumulated in Horizon O.
The word 'universe' is derived from the Latin word 'Universum' which was used by the Roman statesman named __________________.
The Mesozoic era is divided into three periods; Triassic, Jurrasic, and Cretaceous.
A large, slowly moving, sheet of ice.
The Milky Way Galaxy is about 100,000 light-years wide.
The eon where humans are living is _____________.
Continental drift, large-scale horizontal movements of continents relative to one another and to the ocean basins during one or more episodes of geologic time.
Physical weathering is caused by the rainwater reacting with the mineral grains in rocks to form minerals and soluble salts.
It is based on the concept that the lowest layer is the oldest and the topmost layer is the youngest.
A divergent boundary is formed when two plates move away from each other.
The Milky Way Galaxy is how many light-years across?
Epoch is the smallest division of the geologic time scale.
Temperature is a major factor in the formation of magma.
The period when dinosaurs diversify is ____________.
The following are terrestrial planet, except ____________________.
A continent is composed of relatively light blocks that float high on the mantle, like gigantic, slow-moving icebergs.
This technique solely depends on the traces of radioactive isotopes found in fossils.
The discovery of this by Arno Penzias and Robert Wilson led to the thought that the universe started as a tiny, hot, and dense state.
"Hydro" is a Greek term which means ___________________.
This termed to as the infinitely tiny, hot, and dense point where the universe started.
This theory states that the universe has no beginning and no ending.
The age of the universe is ____________.
The different type of rocks are the following, except ________________.
Relative time allows scientists to tell the story of Earth events but does not provide specific numeric ages, and thus, the rate at which geologic processes operate.
Solid or as paste that once deposited in a landfill do not undergo significantly physical-chemical or biological transformations is called inert waste.
Metamorphic rocks are those that have been transformed by pressure and heat but that has not actually melted.
Eras are subdivided into periods.
Current within the mantle have broken the crust into blocks called _______________.
A process of preserving the remains or traces of a dead organism.
Aquifers are areas of permeable rock that hold water.
"Bio" is a Greek word which means _________________.
Parent material can be found in the C horizon.
Seafloor spreading and other tectonic activity processes are the results of convection current in the mantle.
This rock forms when either magma or lava cools down and turns from liquid to solid.
A stress is any change in volume or shape.
Erosion is the breakdown of rocks at the Earth's surface.
A region with similar plants, animals, terrain, and climate is called _______________.
The process of rapid expansion -about a billionth of a trillionth of a second, creating what we now call space.
This is the stage when clumps of gas collapsed enough to form the very first stars and galaxies.
In the theory of Continental Drift, Earth’s continents were once part of an enormous, single landmass called ___________________.
Formal geologic time begins at the start of the Phanerozoic Eon (4.0 billion to 2.5 billion years ago) and continues to the present day.
Extreme heat and ________________ is needed for metamorphism to occur.
Physical structure of living beings depends on the protein content in their bodies.
Two minerals that have the same composition but different crystal form.
The most active divergent plate boundaries are between oceanic plates and are often called mountain ranges.
Seafloor spreading occurs along mid-ocean ridges—large mountain ranges rising from the ocean floor.
A body of flowing water moving towards the sea.
A type of mining where only shallow deposits are removed.
Hydrolysis is the breakdown of rocks by acidic water to produce clay and soluble salts.
The following are definitions of a mineral, except ______________.
"Atmos" came from the Greek word which means _____________.
This type of power plants uses moving water to generate electricity.
Most of the pores in the vadose zone are filled with air, rather than water.
Island arcs and oceanic trenches occur when both of the plates are made of oceanic crust
A large body of water surrounded by land is called ____________.
Betelgeuse and Rigel are two of the brightest stars of Orion's Belt.
When two plates move lateral to one another, this boundary is called ____________.
The point where the denser plate goes under the less dense plate is called _______________.
It determines the age of a rock/object using radiometric techniques.
Eras are the second to the largest intervals of geologic time and are hundreds of millions of years in duration.
"Geo" came from the Greek word ____________.
All sedimentary rocks contain fossils.
He proposed that the universe began from a single primordial atom.
There are four types of igneous rock.
Horizon R or bedrock is a mass of rock such as granite, basalt, quartzite, limestone or sandstone that forms the parent material for some soils – if the bedrock is close enough to the surface to weather.
It took how many years before the universe started to cool down enough for the protons, neutrons, and electrons to bind together to form neutral Hydrogen and Helium?
When two plates are colliding, the type of boundary is called ____________.
It works best for igneous and metamorphic rocks.
The point where the denser plate goes under the less dense plate is called a rift valley.
The process of breaking down of rocks by means of water, ice, wind, plants, and animals is called weathering.
The processes of evaporation and transpiration is also called transpoevaporation.
It determines the period during which certain object was last subjected to heat. It is based on the concept that heated objects absorb light, and emit electrons.
It works best for sedimentary rocks having layered arrangement of sediments.
The following scientists are believers of the Big Bang Theory, except ____________.
What is the study of minerals called?
A mass movement also called Mass Wasting.
Virtually all of the metamorphic rocks that we see on Earth are derived from magmas that formed from partial melting of existing rock, either in the upper mantle or the crust.
Hadean eon is the earliest in the geologic time scale.
Amber is the fossilized remains of tree sap millions of years ago.
A classification of a nonrenewable mineral resource that is identified resource that can be extracted profitably.
It determines if an object/event is younger or older than another object/event from history
The pressure is a measure of the stress, the physical force, being applied to the surface of a material.
Weathering is the breakdown of rocks at the Earth's surface.
It is the best-supported theory on the origin of the universe.
At what era, do humans live?
This level of the atmosphere comprises 80% of the gas on Earth and where weather patterns take place.
The earth's water is how many percents of the earth's surface?
Domestic waste is a special type of waste.
This shows the leftover radiation of the ancient universe.
The theory of continental drift is most associated with the scientist ____________.
The hardest mineral is ________________.
The following are types of biome, except ________________.
How old is the solar system?
This type of power taps Earth's internal heat to produce electricity.
Saltwater is abundant in the surface of the planet and is not directly useful for potable purposes.
Erosion is consist of material saturated with water that moves as a fluid mass.
The most abundant element in magma is oxygen.
The theory that explains an expanding universe is the ______________ theory.
Precambrian contains large piece of the earth's geological history.
It is the oldest in the three periods.
The geologic time scale is divided into four segments.
When did the first mammal live?
When did the first vascular plants arise?
Paleontology is the study of fossils.
The term 'cosmos' is derived from the Greek word 'kosmos' which means _________________.
The period when the first primates arise is ______________.
To keep up this site, we need your assistance. A little gift will help us alot.
Donate- The more you give the more you receive.
Related SubjectRapidly Feeding Black Hole Discovery
Germany Energy Policy
The Ancient History of Sunlight
Adipose Tissue
Physics
Physical Science
Calculus-Based Physics
Environmental Science
The Solar System
Beaver Moon in Science
The Science of SpaceX Satellites
Northern Lights: Science and Spectacle
Exploring the International Space Station
Planet Parade in the Night Sky
Astronomical Events 2025
Space Exploration 2025
Leonid Meteor Shower Peaks in November
The Taurids Meteor Shower: What You Need to Know for 2024
Healthcare Studies
Tadpoles: From Water to Land
Cell Theory
Life Science
Microbiology and Parasitology
Inorganic and Organic Chemistry
Chemistry for Engineers
Anatomy and Physiology
Mike Brown: Basketball Coaching
The Importance of STEM Education
Diabetes Education Month
How Wildlife Images Rehabilitation Operates
Nursing Interventions: Ineffective Breathing Pattern
Health Education
Family Child Care
Before and After School Care
Community Health Worker
The Teacher and the Community School Culture and Organizational Leadership
Technology for teaching and learning in Elementary Grades
Teacher and the School Curriculum
Science Technology and Society
Philippine Popular Culture
Physical Education and Health Grade 11
Mathematics in the Modern World
Komunikasyon sa Akademikong Filipino
Kontekstwalisadong Komunikasyon
Kritikal na Pagbasa Pagsulat at Pagsasalita
Introduction to the Philosophy
Inquiries Investigations and Immersion
Physical Education and Health: Individual and Dual Sports
Human Rights Education
Fundamentals of Martial Arts
Euthenics
Euthenics 2
Ethics
Creative Non Fiction: The Liter
Creative Writing / Malikhaing Pagsulat
Physical Education and Health: Team Sports
Pagsasaling Pampanitikan
Magnetic Resonance Imaging
Chemistry
General Chemistry Organic
Physics For Engineers
Oceans on Uranus and Neptune
Astronomy
Shopee Cashback Voucher
Temu $0 Shipping Fee
Amazon 75% Off Discounts