underground water that is held in the soil and in pervious rocks
What is ground water?
100
an instrument that measures atmospheric pressure
what is a barometer?
200
when you sweat
What is Respiration?
200
A substance that cannot be broken down by chemical means.
What is a element?
200
the sun with the celestial bodies that revolve around it in its gravitational field
What is a Solar system?
200
The water cycle, also known as the hydrologic cycle, describes the continuous movement of water on, above and below the surface of the Earth. Since the water cycle is truly a "cycle," there is no beginning or end. ...
What is water cycle?
200
severe tropical cyclone usually with heavy rains and winds moving a 73-136 knots
What is a hurricane?
300
When somthing has a baby or divides.
What is reproduction?
300
a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
What is law of conservatin of mass
300
the act of spinning as if on an axis
What is rotation?
300
vaporization: the process of becoming a vapor
What is evaporation?
300
a localized and violently destructive windstorm occurring over land characterized by a funnel-shaped cloud extending toward the ground
What is tornado?
400
Ejucated guess
What is a hypothesis?
400
any process in which reactants are changed into products by the breaking or creation of chemical bonds
What is chemical change?
400
the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface
What is gravity?
400
wetness in the atmosphere
What is Humidity?
400
A wind that blows from the land towards a body of water
What is land breeze?
500
sunlight, carbon dioxide, water
What are the raw materials for photosynthesis?
500
The density of a material is defined as its mass per unit volume.
What is density?
500
the tendency of a body to maintain its state of rest or uniform motion unless acted upon by an external force
What is inertia?
500
the process of changing from a gaseous to a liquid or solid state
What is condesation?
500
the ratio of the amount of water in the air at a give temperature to the maximum amount it could hold at that temperature; expressed as a percentage