Science — English

Which principle states that energy cannot be created or destroyed?
The principle that states that energy cannot be created or destroyed is known as the Law of Conservation of Energy....
Added: 13 Feb 2000
Updated: 30 Nov 2025
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Which property of water is responsible for its ability to dissolve many substances?
The property of water responsible for its ability to dissolve many substances is polarity. Water's polar nature, with a partial...
Added: 13 Feb 2000
Updated: 19 Nov 2025
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What is the queous phase involved in chemical reactions?
The aqueous phase involved in chemical reactions refers to reactions occurring in the solution state, particularly when water is the...
Added: 13 Feb 2000
Updated: 17 Nov 2025
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What is the significance of the greenhouse effect?
The significance of the greenhouse effect is its role in maintaining Earth's temperature. Greenhouse gases, such as carbon dioxide and...
Added: 13 Feb 2000
Updated: 02 Nov 2025
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What type of wave can travel through the vacuum of space?
The type of wave that can travel through the vacuum of space is an electromagnetic wave. These waves, which include...
Added: 13 Feb 2000
Updated: 06 Nov 2025
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What is the key benefit of biodiversity in an ecosystem?
The key benefit of biodiversity in an ecosystem is its contribution to ecosystem resilience. A diverse range of species ensures...
Added: 13 Feb 2000
Updated: 11 Nov 2025
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What are the chemical bases of DNA?
The chemical bases of DNA are adenine, thymine, cytosine, and guanine. These four nucleobases pair in specific ways (A with...
Added: 13 Feb 2000
Updated: 22 Nov 2025
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What is the primary function of the digestive enzymes?
The primary function of digestive enzymes is to break down complex food particles into simpler molecules. These enzymes facilitate the...
Added: 13 Feb 2000
Updated: 23 Nov 2025
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What is the study of heredity called?
The study of heredity is called genetics. This branch of biology focuses on how traits and characteristics are passed from...
Added: 13 Feb 2000
Updated: 13 Nov 2025
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What is the term for the time it takes for half of a radioactive sample to decay?
The term for the time it takes for half of a radioactive sample to decay is called half-life. This concept...
Added: 13 Feb 2000
Updated: 13 Nov 2025
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In what form do plants primarily store energy?
Plants primarily store energy in the form of starch. This polysaccharide is synthesized during photosynthesis and serves as a crucial...
Added: 13 Feb 2000
Updated: 26 Nov 2025
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What is the importance of statistical analysis in scientific research?
The importance of statistical analysis in scientific research lies in its ability to interpret data, establish correlations, and test hypotheses....
Added: 13 Feb 2000
Updated: 20 Nov 2025
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What is the relationship between the size of a species and its ecological niche?
The relationship between the size of a species and its ecological niche is often characterized by the principle of competitive...
Added: 13 Feb 2000
Updated: 13 Nov 2025
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What phenomenon describes the cycle of life and death in an ecosystem?
The phenomenon that describes the cycle of life and death in an ecosystem is called biogeochemical cycles. These cycles encompass...
Added: 13 Feb 2000
Updated: 09 Nov 2025
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What is the primary environmental factor that affects plant growth?
The primary environmental factor that affects plant growth is light. Adequate light is crucial for photosynthesis, the process by which...
Added: 13 Feb 2000
Updated: 02 Nov 2025
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What is the term for an organism's ability to maintain a stable internal environment?
The term for an organism's ability to maintain a stable internal environment is homeostasis. This dynamic process involves various physiological...
Added: 13 Feb 2000
Updated: 24 Nov 2025
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What physiological process does a fever initiate in the body?
A fever initiates the physiological process of thermoregulation in the body. When the body detects an infection or illness, it...
Added: 13 Feb 2000
Updated: 03 Nov 2025
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Which scientific instrument is used to measure temperature?
The scientific instrument used to measure temperature is a thermometer. Thermometers operate based on the principle that substances expand or...
Added: 13 Feb 2000
Updated: 05 Nov 2025
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What is the primary factor causing ocean currents?
The primary factor causing ocean currents is winds. Wind patterns, driven by the Earth’s rotation and the differential heating of...
Added: 13 Feb 2000
Updated: 12 Nov 2025
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What is the process that describes how populations evolve over time?
The process that describes how populations evolve over time is known as evolution. This scientific concept explains how heritable traits...
Added: 13 Feb 2000
Updated: 07 Nov 2025
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