define the following
(a) Diffusion
(b) kinetic energy
(c) Density
(d) Matter
(e) Evaporation
Answers
Answer:
Diffusion:
Diffusion is the movement of a substance from an area of high concentration to an area of low concentration. Diffusion happens in liquids and gases because their particles move randomly from place to place. Diffusion is an important process for living things; it is how substances move in and out of cells.
Kinetic Energy:
Kinetic energy (KE) of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes.
Density:
Density is a measure of mass per volume. The average density of an object equals its total mass divided by its total volume. An object made from a comparatively dense material (such as iron) will have less volume than an object of equal mass made from some less dense substance (such as water).
Matter:
Matter is any substance that has mass and takes up space by having volume.
Evaporation:
Evaporation is the process by which water changes from a liquid to a gas or vapor. Evaporation is the primary pathway that water moves from the liquid state back into the water cycle as atmospheric water vapor.
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Answer:
answer is here.. .
- Diffusion : diffusion is the movement of matter from region of higher concentration to the region of lower concentration.
- Kinetic energy : Energy which a body possesses by virtue of being in motion.
- Density : A measure of the amount of information on a storage medium.
- Matter : Anything which occupies space and has mass and can be perceived by our senses.
- Evaporation : The process of turning from liquid to gas or solid to liquid.
Explanation:
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