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Unit 1 Chemistry

Terms from Unit 1

QuestionAnswer
scientific method process of scientific investigation
matter anything that has mass and takes up space
hypothesis an educated guess
control thing that remains constant during an experiment
beaker lab instrument used to hold liquids in the lab
Chemical or Physical Change? glass breaking physical
Chemical or Physical Change? lighting a match chemical
Chemical or Physical Change? car rusting chemical
Chemical or Physical Change? ripping paper physical
Chemical or Physical Change? ice melting physical
graduated cylinder used to measure the volume of liquids
triple-beam balance used to measure the mass of an object
volume the amount of space an object takes up
solid matter that has a definite volume and shape
liquid matter that has a definite volume but NOT a definite shape
gas matter that does not have a definite volume or a definite shape
plasma matter composed of charged particles
density equals mass divided by volume
How many sig figs? 20403 5
How many sig figs? 0.0050 2
How many sig figs? 4600 2
How many sig figs? 76090 4
What is 4355 in scientific notation? 4.355 x 10^3
Created by: mrsocci