Science — English

What element is represented by the atomic symbol 'O'?
The element represented by the atomic symbol 'O' is oxygen. It is a non-metal and is essential for life on...
Added: 16 Apr 2000
Updated: 01 Dec 2025
ℹ️
What is the name of the scientific principle that states that mass cannot be created or destroyed?
The scientific principle stating that mass cannot be created or destroyed is known as the law of conservation of mass....
Added: 16 Apr 2000
Updated: 01 Dec 2025
ℹ️
What effect describes the change in frequency or wavelength of a wave in relation to an observer moving relative to the source?
The effect that describes the change in frequency or wavelength of a wave due to the motion of the observer...
Added: 16 Apr 2000
Updated: 25 Nov 2025
ℹ️
What role does genetics play in natural selection?
Genetics plays a crucial role in natural selection by influencing the heritable traits that affect an organism's ability to survive...
Added: 16 Apr 2000
Updated: 20 Nov 2025
ℹ️
What is the name of the scientist who formulated the laws of motion and universal gravitation?
The scientist who formulated the laws of motion and universal gravitation is Isaac Newton. His groundbreaking work in the 17th...
Added: 16 Apr 2000
Updated: 06 Nov 2025
ℹ️
In physics, what term is used to describe the amount of matter in an object?
In physics, the term used to describe the amount of matter in an object is called mass. Mass is a...
Added: 16 Apr 2000
Updated: 25 Nov 2025
ℹ️
In chemistry, what is the term for a substance that speeds up a chemical reaction?
In chemistry, a substance that speeds up a chemical reaction is known as a catalyst. Catalysts increase the rate of...
Added: 16 Apr 2000
Updated: 22 Nov 2025
ℹ️
What is the main function of DNA polymerase during DNA replication?
The main function of DNA polymerase during DNA replication is to synthesize new DNA strands by adding nucleotides complementary to...
Added: 16 Apr 2000
Updated: 24 Nov 2025
ℹ️
What is the process by which living organisms maintain a stable internal environment called?
The process by which living organisms maintain a stable internal environment is called homeostasis. Homeostasis involves various physiological mechanisms that...
Added: 16 Apr 2000
Updated: 06 Nov 2025
ℹ️
Which branch of science studies ecosystems and biodiversity?
The branch of science that studies ecosystems and biodiversity is known as ecology. Ecology examines the interactions between organisms and...
Added: 16 Apr 2000
Updated: 17 Nov 2025
ℹ️
What is the force called that pulls objects toward the center of the Earth?
The force that pulls objects toward the center of the Earth is called gravity. Gravity is a fundamental force of...
Added: 16 Apr 2000
Updated: 06 Nov 2025
ℹ️
What layer of the Earth is composed mostly of silicate rocks?
The layer of the Earth composed mostly of silicate rocks is known as the crust. The Earth's crust is divided...
Added: 16 Apr 2000
Updated: 03 Nov 2025
ℹ️
What is the term for the scientific study of the behavior and properties of matter?
The term for the scientific study of the behavior and properties of matter is known as chemistry. Chemistry explores how...
Added: 16 Apr 2000
Updated: 26 Nov 2025
ℹ️
What is the process by which blood is pumped throughout the body?
The process by which blood is pumped throughout the body is known as circulation. This is primarily facilitated by the...
Added: 16 Apr 2000
Updated: 10 Nov 2025
ℹ️
What is the name of the process in which an organism's traits are passed from one generation to the next?
The process in which an organism's traits are passed from one generation to the next is called heredity. Heredity involves...
Added: 16 Apr 2000
Updated: 29 Nov 2025
ℹ️
What is known as the powerhouse of the cell?
The powerhouse of the cell is known as the mitochondrion. Mitochondria are responsible for producing adenosine triphosphate (ATP), which is...
Added: 16 Apr 2000
Updated: 06 Nov 2025
ℹ️
In chemistry, what is the term for the reaction between an acid and a base?
In chemistry, the term for the reaction between an acid and a base is called neutralization. This process typically produces...
Added: 16 Apr 2000
Updated: 08 Nov 2025
ℹ️
What phenomenon occurs when a liquid turns into vapor?
The phenomenon that occurs when a liquid turns into vapor is called evaporation. This process involves the transition of molecules...
Added: 16 Apr 2000
Updated: 06 Nov 2025
ℹ️
What type of evolution occurs through the gradual accumulation of small changes?
The type of evolution that occurs through the gradual accumulation of small changes is known as gradualism. It posits that...
Added: 16 Apr 2000
Updated: 13 Nov 2025
ℹ️
What is the term for the preservation of biological diversity in an ecosystem?
The term for the preservation of biological diversity in an ecosystem is called conservation. Conservation involves protecting and managing natural...
Added: 16 Apr 2000
Updated: 26 Nov 2025
ℹ️