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Aynisty's Science Search

Across
The structure of an atom
How close together the molecules of a substance are
A chemical reaction that is accompanied by the absorption of heat, or an organism that generate heat to maintain its temperature
Motion along a straight line
When light bounces off an object
The distance between two peaks of a wave
A fundamental concept of physics, states that the total amount of energy remains constant in an isolated system
Something that cannot be used up, or has limitless energy
The preventing of soil loss from erosion or reduced fertility caused by over usage, acidification, salinization or other chemical soil contamination
Any substance that undergoes a chemical change in a given reaction
The process by which one substance, such as a solid or liquid, takes up another substance such as a liquid or gas
Forces that cause a change in the motion of an object
The amount of space the object takes up
Down
The actual amount of matter that is contained in an object
The sum of potential energy and kinetic energy
The change of energy from one form to another
An extraordinary occurrence or circumstance
The temperature at which a solid substance melts or fuses
The number of wave cycles that are completed in one second
Surface resistance to relative motion, as of a body sliding or rolling
The emission and propagation of energy in the form of rays or waves
One aspect of the combined electromagnetic force
The study of the atomic world