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Science Ch 1-7

science review for midterm

QuestionAnswer
what must be repeatable to be reliable? experiments
the factor measured in an experiment? variable
what tests predictions, save time and money, and tends to change? 3 types: Idea,Physical, and Computer. models
possible explanation to an observation; it must be supported by evidence. scientific theory
what is applied science? technology
daily routines that consist of procedures and cycles? systems
data displayed in columns and rows table
elements on the far right of the periodic table . they are gases at room temp. nonmetals
what is either elements or compounds that have the same properties throughout? substance
when two pure substances are combined what is formed? mixtures
good conductors of heat and electricity metals
halfway between metals and nonmetals characteristics metalloid
a description made by observing with our senses examples: color density and shape physical property
characteristic that allows it to change into something new chemical property
a change in position motion
involves change in direction and speed; involves speeding up, slowing down or changing direction. acceleration
resisting a change in motion inertia
forces that are equal in size but opposite in direction balanced forces
highest velocity that can be reached by a falling object terminal velocity
are atoms that contain the same number of protons but a different number of neutrons isotopes
particle with a positive charge proton
particle with no charge at all neutron
particle with a negative charge electron
includes distance and direction of the stopping point to the starting point displacement
total length of the route an object travels distance
Created by: claudiator
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