Science — English

What do you call a change in the genetic material of an organism?
A change in the genetic material of an organism is called a mutation. Mutations can occur spontaneously or be caused...
Added: 23 Mar 2000
Updated: 14 Nov 2025
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What is the term for the increase in the Earth’s average temperature due to human activity?
The term for the increase in the Earth's average temperature due to human activity is called global warming. This phenomenon...
Added: 23 Mar 2000
Updated: 14 Nov 2025
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Which fundamental particle is found in the nucleus of an atom but has no charge?
The fundamental particle found in the nucleus of an atom that has no charge is called a neutron. Neutrons, along...
Added: 23 Mar 2000
Updated: 16 Nov 2025
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What is the term for an organism's unique set of traits?
The term for an organism's unique set of traits is known as its phenotype. The phenotype encompasses observable characteristics such...
Added: 23 Mar 2000
Updated: 02 Nov 2025
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What scientific term describes the ability of a material to conduct electricity?
The scientific term that describes the ability of a material to conduct electricity is electrical conductivity. This property determines how...
Added: 23 Mar 2000
Updated: 25 Nov 2025
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Which hormone regulates the sleep-wake cycle in humans?
The hormone that regulates the sleep-wake cycle in humans is called melatonin. Produced by the pineal gland in response to...
Added: 23 Mar 2000
Updated: 20 Nov 2025
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What is the core component of steel?
The core component of steel is iron, which is combined with carbon and other elements to enhance its properties. The...
Added: 23 Mar 2000
Updated: 16 Nov 2025
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In molecular biology, what is the term for a sequence of three nucleotides coding for an amino acid?
In molecular biology, a sequence of three nucleotides coding for an amino acid is referred to as a codon. Codons...
Added: 23 Mar 2000
Updated: 20 Nov 2025
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What is the primary role of legumes in an ecosystem?
The primary role of legumes in an ecosystem is to fix nitrogen from the atmosphere into a form that plants...
Added: 23 Mar 2000
Updated: 01 Dec 2025
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What type of fragile ecosystem is characterized by a high level of biodiversity?
A type of fragile ecosystem characterized by a high level of biodiversity is a coral reef ecosystem. These ecosystems are...
Added: 23 Mar 2000
Updated: 01 Dec 2025
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What physical principle explains why objects float in water?
The physical principle that explains why objects float in water is known as buoyancy, governed by Archimedes' principle. This principle...
Added: 23 Mar 2000
Updated: 03 Nov 2025
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What is the phenomenon of water rising in plants against gravity called?
The phenomenon of water rising in plants against gravity is called capillary action. This process occurs primarily in small tubes...
Added: 23 Mar 2000
Updated: 04 Nov 2025
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In which layer of the atmosphere do most weather phenomena occur?
Most weather phenomena occur in the troposphere, the lowest layer of the Earth’s atmosphere, extending from the surface up to...
Added: 23 Mar 2000
Updated: 04 Nov 2025
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What is the interaction called between two or more substances that results in new substances?
The interaction between two or more substances that results in the formation of new substances is called a chemical reaction....
Added: 23 Mar 2000
Updated: 26 Nov 2025
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What is the primary cause of ocean tides on Earth?
The primary cause of ocean tides on Earth is the gravitational pull exerted by the Moon, with a lesser influence...
Added: 23 Mar 2000
Updated: 19 Nov 2025
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What process do decomposers perform in the ecosystem?
Decomposers perform the important ecological process of decomposition, breaking down dead organisms and organic waste material. They include organisms such...
Added: 23 Mar 2000
Updated: 29 Nov 2025
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What is the shape of DNA?
The shape of DNA is often described as a double helix, which resembles a twisted ladder. This structure consists of...
Added: 23 Mar 2000
Updated: 23 Nov 2025
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In physics, what unit is standard for measuring energy?
In physics, the standard unit for measuring energy is the joule. Energy can manifest in various forms, including kinetic, potential,...
Added: 23 Mar 2000
Updated: 01 Nov 2025
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What astronomical body is at the center of our solar system?
The astronomical body at the center of our solar system is the Sun. Composed primarily of hydrogen and helium, it...
Added: 23 Mar 2000
Updated: 04 Nov 2025
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What is the term for a solution that contains more solute than it can normally hold?
A solution that contains more solute than it can normally hold is termed a supersaturated solution. This occurs when a...
Added: 23 Mar 2000
Updated: 14 Nov 2025
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