Study of matter and energy and the way they interact
Study of light
Rate of change in the Velocity of an object
Condition of turning back a ray of light when it strikes a surface
Process by which light nuclei are joined together - this type of nuclear reaction produces the sun's energy
Highly ionized gas that is electrically neutral
Discrete bundles in which radiation and other forms of energy occur
Speed that a rocket must achieve to escape the gravitational pull of the planet
Tendency of the surface of a liquid to rise or fall when in contact with very small diameter tubes
Type of nuclear reaction that occurs when a nucleus of uranium or other heavy element is split into two nearly equal parts, especially when bombarded by a neutron
Principle involved when an object standing in water looks broken at the water line because light travels slower in water than in air
The maximum stress that a material can withstand before it breaks
Force that slows down a moving object when it comes in contact with another surface
Device developed by E.O. Lawrence that accelerates charged atomic particles
Branch of aeromechanics dealing with the forces exerted by air or other gases in motion
Pair of forces that act in opposite directions but not on the same point on the same object
Disturbance that results when two waves meet at a single point in space
Study of the behavior of objects and systems in response to various forces
Instrument used to detect electrostatic charges
Scattering and polarization of a light beam passing through a system of particles, such as a solution of colloidal particles
Energy sent out in the form of particles or waves, especially electromagnetic waves
Measure of apparent resistance to current flow in an alternating-current circuit
Container in which a gas is cooled to a temperature slightly below its usual condensation point
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