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7th Grade Science

7th Grade Science - Matter

QuestionAnswer
what are the 4 states of matter? liquid,solid,gas,plasma
what are 3 parts of an atom? proton, neutron, electron
what is nucleus made out of? protons
what are the characteristics of physical changes? 1. matter remains the same kind matter. 2.no new substance are formed
what are the possible indicators of physical change? 1. size changes 2. shape changes 3.phase changes (solid , liquid ect.)
What is volume? the amount of space an object takes up
What are atoms? A molecule that is made out of two or more atom
what is combustibility? the ability to burn something
What is conductivity? When something moves from one place to another
What is nucleus? nucleus is the middle of an atom
What is carbon? carbon is every living thing (organic science)
What is a compound? A substance made out of two or more diffrent element
The study of matter and how matter change is chemistry
what is physical change? a change in wich alters the form or appearance of the matter physical change
what is energy? everything in the universe is either made out of matter or energy
what is an element? what is a substance that cannot be broken down into other substances
the word that describes the the connection between atoms in a molecule bond
what is solution? a misxture that cannot be brought back to what is was
What is solution? to or more parts mixed together
air can be weighed false
both air and heat are matter false
matter takes up space true
light is matter false
matter can be in different shapes false
a solid had a definite shape true
you cannot change a shape of a solid false
when water changes to steam it undergoes a chemical change false
air will expand to fill the space availible true
Created by: maryamalashram on 2012-01-07



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