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The Earth

Air Pressure The pressure caused by the weight of a column of air pushing down on an object
Altitude Elevation above sea level
Apparatus A group of instruments, tools, materials etc. having a particular function or intended for a specific use.
Barometer An instrument used to measure changes in air pressure
Density The amount of mass of a substance in a given volume; mass per unit volume. d=m/v
Hypothesis A possible explanation for a set of observations or answer to a scientific question;must be testable
Mass The amount of matter in an object.
Matter Anything that has mass and takes up space.
Ozone A form of oxygen that has three oxygen atoms in each molecule instead of the usual two
Procedure A series of steps taken to accomplish a task
Volume The amount of space an object occupies
Water Vapor Water in the form of gas.
Weather The condition of Earth`s atmosphere at a particular time and place
Weight The force of gravity on an object.
Created by: cstudy