List of Words for Letter ‘F’
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fault A
break, or crack, in the rocks of the lithosphere along which movements can take place.
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fertilization The joining of a sperm cell with an egg cell to make one new cell, a fertilized egg.
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focus The
point below the surface of Earth where an earthquake begins.
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food chain A model of how the energy in food is passed from organism to organism in an ecosystem.
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food web A model of overlapping food chains in an ecosystem.
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force A
push or pull exerted by one object on another, possibly causing a change in motion.
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fossil Any
trace, imprint, or remains of a living thing preserved in Earth’s crust.
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freezing point The
temperature at which a liquid changes to a solid.
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frequency A
measure of how many wave crests or troughs pass a given point in one unit of time.
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friction A
force that opposes the motion of an object in contact with a surface.
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front The
boundary between two air masses. Examples include cold fronts, warm fronts, and occluded fronts.
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fulcrum A
mass of billions of stars clustered together in a group.