
Conservation | Definition, Ecology, Examples, & Facts - Britannica
Conservation, study of the loss of Earth’s biological diversity and the ways this loss can be prevented. Biological diversity, or biodiversity, is the variety of life either in a particular place or on the entire …
Conservation - Habitat Management, Restoration, Preservation
Conservation - Habitat Management, Restoration, Preservation: Once protected, areas must often be managed in order to maintain the threatened species within them. Management may involve the …
Conservation law | Definition, Examples, & Facts | Britannica
Conservation law, in physics, a principle that states that a certain physical property (that is, a measurable quantity) does not change in the course of time within an isolated physical system. In …
conservation - Kids | Britannica Kids | Homework Help
Conservation is the protection of things found in nature. It requires the sensible use of all Earth’s natural resources: water, soil, minerals, wildlife, and forests. People…
Conservation of energy | Definition, Principle, Examples, & Facts ...
Mar 11, 2026 · Conservation of energy, principle of physics according to which the energy in a closed system remains constant. Energy is not created or destroyed but merely changes forms. For …
Conservation of momentum | Definition, Examples, & Facts | Britannica
Feb 18, 2026 · Conservation of momentum, general law of physics according to which the quantity called momentum that characterizes motion never changes in an isolated collection of objects; that …
Energy | Definition, Types, Examples, & Facts | Britannica
Energy, in physics, the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or various other forms. There are, moreover, heat and work—i.e., energy in the …
Conservation of linear momentum | Physics, Examples, & Definition ...
Conservation of linear momentum, general law of physics according to which the quantity called momentum that characterizes motion never changes in an isolated collection of objects; that is, the …
Chemical reaction | Definition, Equations, Examples, & Types - Britannica
A chemical reaction is a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds. …
Conservation - Protecting Species, Habitats, Biodiversity | Britannica
Conservation - Protecting Species, Habitats, Biodiversity: For species that are hunted or collected, direct protection may be an essential conservation tool. National laws, such as the Endangered Species …