Earth and Life Science Practice Test

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• Biodiversity supports which ecosystem service related to reproduction?
• Oceanic crust is found underneath the oceans and is denser than the continental crust; mainly basalt
• Which theory describes the bursting of the Sun sending out the planets and moons?
• What is the Mohs scale used for?
• Which of the following is a biotic factor in an ecosystem?
• The Moho boundary marks the boundary between which two major Earth layers?
• Which process primarily facilitates air exchange in the lungs?
• Which term refers to breaks in a mineral that are irregular in shape?
• Which process is the transformation of existing rocks due to changes in mineral composition or texture under heat and pressure?
• Why is coral reef health linked to ocean acidification?
• Where does transcription occur in a typical eukaryotic cell?
• Which rock type is typically formed from sediments compacted and cemented together?
• Which layer is the hottest and absorbs high energy X-rays and UV rays?
• Why is a food web more accurate than a single food chain?
• Composed of a repeating structural unit composed of atoms of one or more elements
• What is the effect of human activities on the greenhouse effect?
• Which process involves slabs of rock sliding past each other horizontally in opposite directions?
• What causes tides?
• Which layer is described as containing the ozone layer?
• Which fault is produced when tensional stress results in the down-dropping of a central slab of a rock layer?
• Which type of fault is described as resulting from vertical tensional stress?
• Which of the following is NOT a typical path for groundwater contamination?
• The kidneys' primary function is:
• Which theory suggests that another big bang will occur when the universe starts to run down?
• Why is water essential for homeostasis in organisms?
• Which planets are gas giants and lack a solid surface?
• How does soil texture influence root growth and nutrient availability?
• Which solar zone lies outside the core and is involved in energy transport by radiation?
• Mass wasting is defined as displacement of materials down a slope due to gravity, often with vegetation removal and earthquakes.
• Distinguish between prokaryotic and eukaryotic cells.
• Which theory states that the universe will experience another big bang when it runs down?
• What term refers to the transport of rocks and soil away from their original location by water, wind, gravity, and organisms?
• Which type of fault occurs when compressional stress is observed among opposite rock slabs, resulting in one slab displaced upward and the other downward?
• Which outcome is directly linked to ocean acidification in coral reefs?
• Which of the following correctly pairs the three classic types of symbiotic relationships with their interaction?
• The uplifted rock block between two reverse faults is called what?
• Which term refers to the part of Earth that is composed of the materials the planet is made of?
• In the chain Grass -> Rabbit -> Fox, what is the role of the fox?
• Which astronomer proposed a sun-centered model that contributed to modern heliocentrism?
• Which process involves the breakdown of rocks by chemical reactions?
• Which statement best describes the structure of DNA?
• Which theory states that Earth and Moon formed from gradual accumulation of small fragments?
• Which type of symbiotic relationship is described as both organisms benefiting from the interaction?
• Which term refers to the transport of rocks and soil away from their origin by natural agents?
• What are two important forces that influence the activity of the gas and dust?
• Which process occurs when magma forms and develops into igneous rocks?
• Made up of all the water found on Earth — on its surface, underground, and in the air.
• Which of the following terms refers to rocks formed from molten material?
• What term is used for the mass divided by volume?
• Cellular differentiation leads to specialization in which of the following?
• What solar event is an enormous explosion in the Sun's atmosphere capable of emitting particles to the entire solar system?
• Which geologic process describes the movement of crustal plates that deforms the surface and forms mountains and valleys?
• Which rock type is formed from preexisting rocks that have been broken down into particles or dissolved in solutions?
• Which process involves deformation of the Earth's crust due to plate movement, creating mountains and valleys?
• What are the dark spots that appear on the Sun's surface?
• Which model places the Sun at the center of the universe?
• Which term best fits the down-dropping of a central block in a tensional regime?
• Which theory explains that gas clouds were pulled by the sun's gravity and formed planets and moons?
• Which solar layer surrounds the radiative zone and has a thickness of about 200,000 km?
• Continental crust is thicker and mainly granite.
• The uplifting block between two reverse faults is called what?
• What is the difference between qualitative and quantitative data?
• Which term describes movement far away from the Sun, where the planet moves slower?
• What are the two evidences of the Big Bang?
• Which of the following is an example of a metamorphic rock?
• Compared with the crust, which layer is thicker and denser because of aluminum and magnesium?
• Which term describes the downhill movement of rock and soil as a result of gravity, typically occurring on slopes?
• Breaking up of large rocks into smaller fragments without changing their chemical composition?
• Which layer is the hottest due to absorption of high energy radiation?
• Invasive species reduce biodiversity by:
• Which rock type forms when existing rocks are altered by high temperature or pressure, changing their chemical characteristics and turning them into a different rock?
• In the simple grass -> rabbit -> fox food chain, what is the trophic level of the rabbit?
• Which layer is the gaseous envelope of Earth?
• Which layer forms the outer shell of the Earth including continents and oceans?
• Which theory proposes that new matter continually appears, keeping the universe's density constant?
• Which fault develops from vertical tensional stress causing movement of one slab upward and the other downward?
• Which term describes a cloud of gas and dust found in space?
• Which practice helps conserve water and energy at home?
• Which force describes rocks being pulled apart, causing them to stretch and potentially fracture?
• Which solar interior layer lies above the radiative zone and below the photosphere?
• Which of the following is evidence that climate change is occurring?
• Which layer is the coldest and where most meteors burn up?
• A reaction by which lighter atomic nuclei fuse to form a heavier nucleus.
• Which layer is observed as the Sun's visible surface and shows granulation?
• Which layer is directly above the Troposphere?
• Which of the following is NOT evidence supporting plate tectonics?
• Naturally occurring, inorganic substance with a crystalline structure; building blocks of rocks.
• What is cellular respiration and where does most ATP production occur in eukaryotic cells?
• How do energy pyramids illustrate energy transfer in ecosystems?
• Which theory proposes that two stars collided and formed the planets and moons?
• Which statement correctly distinguishes genotype from phenotype?
• What term describes a break in rock layers where blocks move in opposite directions?
• Which theory states that the Sun and all the planets began as a giant cloud of gas and particles?
• Which layer contains the ozone layer?
• Rigid part of the mantle, where the Moho boundary is located
• Soft part of the mantle; where magma resides
• Which fault is described as arising from compressional stress?
• Which layer is the outermost part of the atmosphere where Aurora Borealis occurs?
• What is one primary function of the circulatory system?
• Which force describes rocks being pressed together toward the center, often causing folding?
• Ocean acidification weakens coral skeletons by reducing the availability of which chemical ingredient?
• Which of the following is NOT an effect of invasive species?
• Which rock type is formed by cooling magma or lava?
• What process drives plate tectonics and the movement of continents?
• In a simple ecosystem, which organism is a decomposer?
• Which statement describes how environment interacts with genotype to produce phenotype?
• Which fault forms under extensional tectonics, with the hanging wall moving downward relative to the footwall?
• Which process changes the mineral composition or texture of rocks through heat and pressure?
• What is the greenhouse effect?
• Weathering and erosion and how they contribute to soil formation.
• What term refers to any fracture along which sliding occurs?
• Continental crust is primarily composed of which rock type?
• Which statement correctly defines osmosis?
• Which region lies above the Sun's visible surface and forms part of its outer atmosphere?
• What is the role of decomposers in ecosystems?
• Which term describes movement nearer to the Sun, where the planet moves faster?
• Which solar layer's convection cells give the Sun its grainy appearance?
• Which statement describes logistic growth in a population?
• What term refers to the collection of all living organisms on Earth?
• Which is the outermost and thinnest layer of the Earth?
• Which fault occurs when compressional stress causes one slab to be displaced upward and the other downward?
• Uplifting of a rock that is caused by the interactions of two reverse faults is called?
• How do scientists determine the age of rocks using relative dating and absolute dating?
• Breaking or crumbling of rocks by physical, chemical, or biological means?
• Which layer is the coldest layer of the atmosphere?
• Which pair correctly matches the dating method to its description?
• Which cells contribute to the global wind patterns and what is their order from the equator outward?
• What does carrying capacity describe in population ecology?
• Two stars collided and formed the planets and moons.
• Which term describes a mineral's resistance to scratching?
• Which term describes the process of magma generation and development into igneous rocks?
• The astronomer who proposed that planets move around the Sun in elliptical orbits?
• How can antibiotic resistance arise and spread in bacteria?
• Color observed when the mineral is finely powdered
• What is a mineral's streak and how is it tested?
• The down-dropped block between two faults is called a what?
• Two stars collided and formed the planets and moons. Which theory does this describe?
• What is cellular differentiation and why is it essential for multicellular organisms?
• The layer that is the rigid portion of the mantle and contains the Moho boundary
• Which rock type forms from previously existing rocks that have been altered by high temperature or pressure?
• Which process copies DNA into mRNA in the nucleus?
• Which layer is in solid form because of the high amount of pressure produced by the overlying rocks?
• Which statements correctly describe P-waves and S-waves and what they reveal about Earth's interior?
• What best describes a DNA mutation and its possible effects on an organism?
• In photosynthesis, which statement best describes the main stages?
• Which theory explains that Earth collided with a small planet producing the Moon?
• What rock type forms when molten rocks cool or harden?
• Which process powers the Sun by fusing hydrogen into helium?
• Temperature around 7,000,000 °C and has a thickness of approximately 300,000 km. This zone makes up at least 45% of the sun.
• What is soil texture and why is it important for plant growth?
• How does photosynthesis store energy in glucose, and what are the two main stages?
• Which statement correctly defines osmosis in contrast to diffusion?
• Which layer is liquid due to high temperature, allowing iron and nickel to stay melted?
• Which term describes the breaking up of large rocks into smaller fragments without changing their chemical composition?
• Which layer is the lowest layer where weather changes occur?
• Which rock type forms from previously existing rocks that have been broken down into small particles or dissolved in solutions?
• Which process fuses lighter nuclei into a heavier nucleus?
• Oceanic crust is mainly composed of which rock type?
• Which statement best describes how natural selection drives evolution?
• The lungs exchange oxygen and carbon dioxide through which structures?
• Which theory asserts that the bursting of the Sun sent out the planets and moons?
• Which theory states that small chunks of materials gradually combined and formed Earth, then more chunks formed the Moon?
• Which theory posits that the Moon was formed when Earth collided with a Mars-sized body?
• Where does translation occur in a typical cell?
• Which mineral on the Mohs scale has the highest hardness?
• Which planets are mainly made up of rocks and other solids?
• Which statement about mutations is correct?
• What term refers to the overall force acting on rocks that can create different rock characteristics?
• How do vaccines confer protection?
• Which statement best describes the water cycle and its importance?
• What are the primary components of Earth's atmosphere and their approximate abundances?
• Speciation is the formation of new species, often due to which factors?
• Which solar zone lies just outside the core and transports energy by radiation?
• It is a cloud of gas and dust found in space.
• In Mendelian inheritance, what best distinguishes genotype from phenotype?
• What best distinguishes weather from climate?
• Why is biodiversity important for ecosystems?
• Which theory posits that planets and moons were wandering around and were captured by the Sun?
• Which statement best explains how atmospheric convection cells influence global wind patterns?
• Which planets are called Jovian planets because they are made primarily of liquids and gases?
• What feature describes the uplift between two reverse faults?
• Which property describes the way a mineral reflects light?
• Which layer is the outermost part of the atmosphere where Aurora Borealis occurs?
• Which term describes the tendency for a mineral to split along smooth planes?
• Which statement describes metamorphic rocks?
• Which layer of the Earth generates the magnetic field, and what is it mainly composed of?
• What is groundwater and how can it become contaminated?
• Which is the outermost layer of the Sun, also known as the Sun's halo or crown?
• Most abundant elements on the Earth's crust?
• Innermost layer of the sun that consist of plasma.
• Which feature appears as dark patches on the Sun due to magnetic activity?