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8 Matter revision

TermDefinition
matter anything that takes up space
physical property anything you can observe about an object using your five senses
Your sense of ______ can help you tell if an object is dull, shiny, clear, or a certain color sight
Your sense of ________ can help you determine if an object is rough, smooth, wet, soft, or sharp touch
Your sense of ______ can help you determine if something is sweet, salty, or bitter. taste
What are the three states of matter? solid, liquid and gas
This state of matter has a volume that stays the same, but its shape can change. liquid
This state of matter has a definite volume and shape. solid
This state of matter does not have a definite shape or volume. gas
volume the amount of space an object takes up
the two ways states of matter can change from one form to another adding heat/taking away heat
The particles in this state of matter are loosely connected and slide around each other. liquid
The particles in this state of matter are not connected to each other and are not close to each other. gas
The particles in this state of matter are compact and very close to each other. solid
liquid to gas evaporation
True/False mass and weight are the same thing False
True/False when a piece of paper is cut into pieces, the cut pieces have the same mass as the uncut pieces True
the amount of matter in an object mass
all matter is made up of atoms
boiling point the point at which a substance is converted from a liquid to gas
melting point the point at which a substance is converted from a gas to liquid
plasma the fourth state of matter
independent variable what you change
dependent variable what you measure
controlled variable what needs to stay the same to make a fair test
what do you draw scientific drawings with? a pencil and ruler
diffusion the movement of particles from a high to low concentration
density how tightly packed the particles are of a substance
hypothesis a prediction of what you think will happen in a practical
gas to liquid condensation
solid to liquid melting
liquid to solid freezing
gas to solid deposition
solid to gas sublimation
examples of gasses hydrogen, oxygen, nitrogen
examples of solids wood, paper, metal
examples of liquids water, juice, cordial
Created by: justineforrest
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