Science — English

What is the principle behind the conservation of mass?
The principle behind the conservation of mass states that matter cannot be created or destroyed in a closed system during...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
What is the term for a pure substance made of only one type of atom?
A pure substance made of only one type of atom is referred to as an element. Elements are the simplest...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
What is the name of the ocean layer that supports the majority of marine life?
The name of the ocean layer that supports the majority of marine life is the photic zone. This layer typically...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
What type of radiation is emitted by radioactive materials?
The type of radiation emitted by radioactive materials is known as ionizing radiation. This includes alpha particles, beta particles, and...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
What is the scientific name for the process of making a clone?
The scientific name for the process of making a clone is cloning. Cloning involves creating a genetically identical copy of...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
What type of rock is formed from molten lava?
The type of rock formed from molten lava is known as igneous rock. When magma erupts onto the surface of...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
What is the primary role of the hypothalamus in the human body?
The primary role of the hypothalamus in the human body is to regulate vital functions, including temperature, thirst, hunger, sleep,...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
What is the difference between insight and intuition in scientific reasoning?
The difference between insight and intuition in scientific reasoning lies in their sources and processes. Insight generally involves a deep...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
How is energy transferred through an ecosystem?
Energy is transferred through an ecosystem via food chains and food webs. Producers, such as plants, convert solar energy into...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
What element do all organic molecules contain?
All organic molecules contain the element carbon. Carbon is unique due to its ability to form stable covalent bonds with...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
What is the main purpose of white blood cells?
The main purpose of white blood cells is to protect the body against infections and foreign invaders. They are a...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
What is the function of mitochondria in a cell?
The function of mitochondria in a cell is to generate energy in the form of ATP through the process of...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
What term describes a substance that speeds up a chemical reaction?
A substance that speeds up a chemical reaction is known as a catalyst. Catalysts increase the reaction rate without being...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
What phenomenon explains the bending of light when it passes from one medium to another?
The phenomenon that explains the bending of light when it passes from one medium to another is refraction. Refraction occurs...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
What are the two main types of cells?
The two main types of cells are prokaryotic cells and eukaryotic cells. Prokaryotic cells, which include bacteria and archaea, lack...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
What is the term for the genetic makeup of an organism?
The term for the genetic makeup of an organism is genotype. The genotype encompasses all the alleles an individual possesses,...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
In what part of the cell does cellular respiration occur?
Cellular respiration occurs primarily in the mitochondria of a cell. This organelle is often referred to as the cell's "powerhouse"...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
What happens to the temperature of a substance during a phase change?
During a phase change, the temperature of a substance typically remains constant. This occurs despite the addition or removal of...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
What is buoyancy?
Buoyancy is a force that acts on objects submerged in a fluid, allowing them to float or rise. It is...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️
Who is considered the father of modern genetics?
The father of modern genetics is Gregor Mendel. His work in the 19th century on pea plants established the foundational...
Added: 18 Dec 2000
Updated: 12 Nov 2025
ℹ️