Science — English

What is the phase of matter characterized by a definite volume but no definite shape?
The phase of matter characterized by a definite volume but no definite shape is known as liquid. Liquids can flow...
Added: 24 Mar 2000
Updated: 25 Nov 2025
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What is the phenomenon where light is absorbed and re-emitted by a material called?
The phenomenon where light is absorbed and re-emitted by a material is called fluorescence. In this process, a material absorbs...
Added: 24 Mar 2000
Updated: 12 Nov 2025
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What do we call the natural process where organisms with favorable traits survive and reproduce?
The natural process where organisms with favorable traits survive and reproduce is known as natural selection. This key mechanism of...
Added: 24 Mar 2000
Updated: 29 Nov 2025
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Which type of symmetry is found in starfish?
The type of symmetry found in starfish is known as radial symmetry. This symmetry allows starfish to be divided into...
Added: 24 Mar 2000
Updated: 03 Nov 2025
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What is the scientific term for the sum of total energy in a thermodynamic process?
The scientific term for the sum of total energy in a thermodynamic process is enthalpy (H). Enthalpy accounts for the...
Added: 24 Mar 2000
Updated: 01 Nov 2025
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In anatomy, what is the study of the structure and function of human bones called?
In anatomy, the study of the structure and function of human bones is called osteology. This branch of anatomy focuses...
Added: 24 Mar 2000
Updated: 08 Nov 2025
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Which organ is primarily responsible for regulating body temperature?
The organ primarily responsible for regulating body temperature is the hypothalamus, located in the brain. The hypothalamus acts as the...
Added: 24 Mar 2000
Updated: 08 Nov 2025
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What term is used to describe the structure and properties of matter?
The term used to describe the structure and properties of matter is material science. This interdisciplinary field encompasses the study...
Added: 24 Mar 2000
Updated: 29 Nov 2025
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What is the name of the process by which an unstable atomic nucleus loses energy?
The name of the process by which an unstable atomic nucleus loses energy is radioactive decay. During radioactive decay, an...
Added: 24 Mar 2000
Updated: 28 Nov 2025
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What is the primary detoxifying agent in the human liver?
The primary detoxifying agent in the human liver is glutathione. This tripeptide plays a crucial role in the detoxification process,...
Added: 24 Mar 2000
Updated: 14 Nov 2025
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What is the common measure of the acidity of a solution?
The common measure of the acidity of a solution is known as pH. The pH scale ranges from 0 to...
Added: 24 Mar 2000
Updated: 10 Nov 2025
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What is the term for a molecule that interacts with antibodies in immunology?
The term for a molecule that interacts with antibodies in immunology is called an antigen. Antigens are typically foreign substances,...
Added: 24 Mar 2000
Updated: 18 Nov 2025
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What is the scientific term for the change in a population's genetic composition over time?
The scientific term for the change in a population's genetic composition over time is evolution. Evolution occurs through processes such...
Added: 24 Mar 2000
Updated: 07 Nov 2025
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What can cause the seasons to change on Earth?
The changing of seasons on Earth is primarily caused by the tilt of the Earth's axis and its orbit around...
Added: 24 Mar 2000
Updated: 01 Dec 2025
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In which organelle does photosynthesis occur?
Photosynthesis occurs in the chloroplasts of plant cells and some algae. These organelles contain chlorophyll, the green pigment that captures...
Added: 24 Mar 2000
Updated: 12 Nov 2025
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What is the term for the area around a magnet where magnetic forces can be felt?
The term for the area around a magnet where magnetic forces can be felt is called the magnetic field. This...
Added: 24 Mar 2000
Updated: 08 Nov 2025
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Which unit is commonly used to measure energy and work in physics?
The unit commonly used to measure energy and work in physics is the joule (J). One joule is defined as...
Added: 24 Mar 2000
Updated: 20 Nov 2025
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What is the term used for an organism that produces its own food?
The term used for an organism that produces its own food is autotroph. Autotrophs can synthesize organic compounds from simple...
Added: 24 Mar 2000
Updated: 19 Nov 2025
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Which element is most commonly connected with water and life on Earth?
The element most commonly connected with water and life on Earth is oxygen. Water is composed of two hydrogen atoms...
Added: 24 Mar 2000
Updated: 12 Nov 2025
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What is the primary factor that influences climate change?
The primary factor that influences climate change is the increase of greenhouse gases in the atmosphere, especially carbon dioxide (CO2)....
Added: 24 Mar 2000
Updated: 03 Nov 2025
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