Science- Chemistry 7

Created Jan 17, 2013
by olgak
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What is matter?
-particle that makes up every living thing and every material object
What is a solid?
-a form of matter that has a fixed shape -its shape stays the same unless forced on
What is a liquid?
-a fluid form of matter -it has no state of it's own -takese the shape of the container...
What is gas?
-fluid form of matter -no shape of its own -takes the shape of container and fiils it fully
What is volume?
-the quantity of space an object takes up
What is physical change?
-material may change its shape or state -but keeps its identity
What is a chemical change?
-one type of matter changes to produce one or more different types of matter -matter that...
What is reversible change?
-a change that can be undone (physical change) -melting ice
What is non-reversible change?
-chemical change -burning paper
What is the particle model of matter?
-scientific description of many different features of matter -all matter are made of particles...


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