4 major sciences
chemistry, physics, life science, earth science
the study of matter at the level of atoms and molecules
the study of matter and motion
the study of living things
areas of study in earth science
geology, meteorology, astronomy, oceanography
the study of earth, its matter, and the processes that form and change the earth
the study of weather and the forces and processes that cause it
the study of objects in space including stars, planets, and comets
the study of the earth's oceans
the use of scientific discoveries (applied knowledge)
examples of how technology can cause problems
water pollution, soil, air, soil erasion, loss of job,weather pattern changes, loss of habitat for other organisms
an explanation backed by results from repeated tests
a rule of nature that describes the behavior of something in nature
international system of units
international standard of units
standard units used for measurement around the world.
a measure of the amount of matter in an object
what mass is measured in
anything that takes up space and has mass
a measure of gravitational force on a mass (mass x gravity = weight)
an attractive force that exists between all objects
the amount of surface included within a set of boundaries
a measure of how much space an object occupies
a measure of the amount of matter that occupies a particular space.
formula of density
mass divided by volume
the measure of how hot or cold something is. It is measured with a thermometer
absolute zero = the coldest temperature when molecules quit moving; ice melts at 273 degrees, boiling at 373 degrees
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