Science — English

What phenomenon is responsible for forming rainbows?
The phenomenon responsible for forming rainbows is refraction, which occurs when sunlight passes through water droplets in the atmosphere. As...
Added: 23 Mar 2000
Updated: 28 Nov 2025
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What is the process by which cells extract energy from glucose?
The process by which cells extract energy from glucose is known as cellular respiration. This biochemical process converts glucose and...
Added: 23 Mar 2000
Updated: 01 Nov 2025
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What part of a flower is responsible for reproduction?
The part of a flower responsible for reproduction is the stamen and pistil. The stamen produces male gametes in the...
Added: 23 Mar 2000
Updated: 29 Nov 2025
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What is the natural habitat of a particular species called?
The natural habitat of a particular species is called a niche. This term encompasses the specific role and environment an...
Added: 23 Mar 2000
Updated: 12 Nov 2025
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What structure in the eye is responsible for focusing light?
The structure in the eye responsible for focusing light is called the lens. The lens adjusts its shape to focus...
Added: 23 Mar 2000
Updated: 29 Nov 2025
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What is the term for the genetic make-up of an individual organism?
The term for the genetic make-up of an individual organism is genotype. The genotype encompasses all the genes inherited from...
Added: 23 Mar 2000
Updated: 25 Nov 2025
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What gas is produced by the combustion of fossil fuels?
The gas produced by the combustion of fossil fuels is carbon dioxide (CO2). This process occurs when hydrocarbons react with...
Added: 23 Mar 2000
Updated: 02 Nov 2025
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What is the term for water designed to be absorbed by plant roots?
The term for water designed to be absorbed by plant roots is soil moisture. This water is crucial for plant...
Added: 23 Mar 2000
Updated: 03 Nov 2025
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In a chemical equation, what are the substances called that are present before the reaction begins?
In a chemical equation, the substances present before the reaction begins are called reactants. These reactants undergo a transformation during...
Added: 23 Mar 2000
Updated: 28 Nov 2025
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What is the term for the study of the relationships between organisms and their environment?
The term for the study of the relationships between organisms and their environment is ecology. Ecology examines how organisms interact...
Added: 23 Mar 2000
Updated: 14 Nov 2025
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What particle in an atom has a negative charge?
The particle in an atom that has a negative charge is called an electron. Electrons orbit the nucleus of an...
Added: 23 Mar 2000
Updated: 30 Nov 2025
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What is the process of transferring energy without any mass transfer called?
The process of transferring energy without any mass transfer is called radiation. This form of energy transfer occurs through electromagnetic...
Added: 23 Mar 2000
Updated: 12 Nov 2025
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What is the scientific term for an organism's environment including biotic and abiotic factors?
The scientific term for an organism's environment, including biotic and abiotic factors, is called an ecosystem. Ecosystems encompass all living...
Added: 23 Mar 2000
Updated: 01 Dec 2025
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What term describes the rate of chemical reactions?
The term that describes the rate of chemical reactions is known as the reaction rate. This rate determines how quickly...
Added: 23 Mar 2000
Updated: 10 Nov 2025
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What is the primary role of a catalyst in a chemical reaction?
The primary role of a catalyst in a chemical reaction is to accelerate the reaction rate without being consumed in...
Added: 23 Mar 2000
Updated: 26 Nov 2025
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What is the process by which ice turns directly into water vapor?
The process by which ice turns directly into water vapor is called sublimation. This phenomenon occurs when solid ice skips...
Added: 23 Mar 2000
Updated: 19 Nov 2025
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What type of molecule is formed when two or more elements chemically bond?
The type of molecule formed when two or more elements chemically bond is called a compound. Compounds are formed through...
Added: 23 Mar 2000
Updated: 30 Nov 2025
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What scientific principle explains why certain objects float while others sink?
The scientific principle that explains why certain objects float while others sink is known as buoyancy. It is described by...
Added: 23 Mar 2000
Updated: 10 Nov 2025
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What molecule is often referred to as the "universal solvent"?
The molecule often referred to as the "universal solvent" is water. Due to its polar nature, water can dissolve a...
Added: 22 Mar 2000
Updated: 13 Nov 2025
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What is the most common element in the human body?
The most common element in the human body is oxygen. It constitutes about 65% of body mass and is vital...
Added: 22 Mar 2000
Updated: 28 Nov 2025
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