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Changes in Matter

Changes in Matter 1.2 5th grade

QuestionAnswer
Heterogenous a substance in which the parts are clearly different shapes and colors; different throughout
Homogenous a substance in which all of the parts are the same throughout
Temperature how much energy the particles in matter have.
State of Matter depends on temperature/energy
Freezing change of state from liquid to solid
Boiling liquid heated to the point gas bubbles are forming
Melting change of state from solid to liquid (physical change)
Evaporating change of state from liquid to gas
Condensation change of state from gas to liquid
Mixture form of matter made of two or more parts (physical change)
Atmosphere mixture of many gases layered around the Earth
Physical change occur when materials are mixed and do NOT combine chemically; easily reversed
Two ways to separate mixtures evaporating or using a filter
Solution a mixture in which a solid and a liquid or two liquids are mixed so evenly, that it is not possible to see the separate particles
Chemical change produces a new substance when two materials or more combine chemically; CANNOT be easily reversed
Rust the result of a chemical change between iron and oxygen
Physical Properties color, texture, amount, etc.
State changes are a physical change due to the energy in the matter; WILL NOT affect the amount of a substance
Law of Conservation of Mass In a closed system, a physical process such as applying heat may change the form of a substance. However, the mass of the system is conserved
Physical change examples water and ice, oil and vinegar, salt and pepper, sugar and water, milk and corn flakes
Chemical change examples vinegar and baking soda, lemon juice and baking soda
Examples of solutions salt dissolved in water, carbon dioxide and water, sugar in hot tea
Created by: ledee.workman
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