Science — English

What is the term for a solution that can dissolve a solute?
A solution that can dissolve a solute is called a solvent. In the context of solutions, the solvent typically has...
Added: 21 Feb 2000
Updated: 01 Dec 2025
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What type of biological molecule are enzymes?
The type of biological molecule that enzymes belong to is proteins. Enzymes act as catalysts in biochemical reactions, speeding up...
Added: 21 Feb 2000
Updated: 28 Nov 2025
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In geology, what is the difference between weathering and erosion?
In geology, the difference between weathering and erosion lies in the processes involved. Weathering is the breakdown of rocks into...
Added: 21 Feb 2000
Updated: 14 Nov 2025
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What is Newton's second law of motion?
Newton's second law of motion states that the force acting on an object is equal to the mass of the...
Added: 21 Feb 2000
Updated: 05 Nov 2025
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What is the term for a species that has a key role in maintaining the structure of an ecosystem?
The term for a species that has a key role in maintaining the structure of an ecosystem is a keystone...
Added: 21 Feb 2000
Updated: 07 Nov 2025
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What is the function of the stomata in plants?
The function of the stomata in plants is to facilitate gas exchange. These small openings on the leaf surface allow...
Added: 20 Feb 2000
Updated: 17 Nov 2025
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Which gas is produced as a byproduct of photosynthesis?
The gas produced as a byproduct of photosynthesis is oxygen (O2). During this process, plants convert carbon dioxide and sunlight...
Added: 20 Feb 2000
Updated: 24 Nov 2025
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What is the term for a solution that has a pH less than 7?
A solution that has a pH less than 7 is termed acidic. Acidic solutions contain a higher concentration of hydrogen...
Added: 20 Feb 2000
Updated: 06 Nov 2025
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What chemical element is essential for the production of thyroid hormones?
The chemical element essential for the production of thyroid hormones is iodine. Iodine is crucial for synthesizing hormones like thyroxine...
Added: 20 Feb 2000
Updated: 05 Nov 2025
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In an experiment, what is a control?
In an experiment, a control is a standard for comparison that remains constant and unchanged. It helps to isolate the...
Added: 20 Feb 2000
Updated: 06 Nov 2025
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What changes during a phase transition?
During a phase transition, the substantive changes that occur include alterations in energy levels and molecular arrangement. Examples include the...
Added: 20 Feb 2000
Updated: 20 Nov 2025
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What is the study of heredity and the variation of inherited characteristics?
The study of heredity and the variation of inherited characteristics is known as genetics. This branch of biology investigates how...
Added: 20 Feb 2000
Updated: 17 Nov 2025
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What type of electromagnetic radiation has the longest wavelength?
The type of electromagnetic radiation that has the longest wavelength is radio waves. These waves are used for various forms...
Added: 20 Feb 2000
Updated: 01 Dec 2025
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Which particles are found in the nucleus of an atom?
The particles found in the nucleus of an atom are protons and neutrons. Protons have a positive charge and determine...
Added: 20 Feb 2000
Updated: 05 Nov 2025
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What is the unit of energy in the metric system?
The unit of energy in the metric system is the joule (J). One joule is defined as the energy transferred...
Added: 20 Feb 2000
Updated: 28 Nov 2025
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In which type of rock are fossils typically found?
Fossils are typically found in sedimentary rock. This type of rock forms from the accumulation and compression of mineral and...
Added: 20 Feb 2000
Updated: 20 Nov 2025
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What is the common term for a substance that speeds up a chemical reaction?
The common term for a substance that speeds up a chemical reaction is a catalyst. Catalysts increase the rate of...
Added: 20 Feb 2000
Updated: 26 Nov 2025
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Which branch of science deals with the classification of living organisms?
The branch of science that deals with the classification of living organisms is called taxonomy. Taxonomy involves categorizing organisms based...
Added: 20 Feb 2000
Updated: 06 Nov 2025
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What is the term for the study of the universe beyond Earth's atmosphere?
The term for the study of the universe beyond Earth's atmosphere is astronomy. This scientific discipline involves the observation and...
Added: 20 Feb 2000
Updated: 28 Nov 2025
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What is the phenomenon wherein light bends as it passes through different mediums?
The phenomenon wherein light bends as it passes through different mediums is called refraction. This occurs because light travels at...
Added: 20 Feb 2000
Updated: 11 Nov 2025
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