PHYSICAL SCIENCE MATTER.

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Presentation transcript:

PHYSICAL SCIENCE MATTER

PROPERTIES OF MATTER Physical Properties The characteristics of a substance that you can observe without changing the identity of the substance. Examples: color, texture, mass, volume, density, temperature, weight, hardness, phase (state), length.

PROPERTIES OF MATTER Color Texture Density Hardness Phase

PROPERTIES OF MATTER Chemical Properties The characteristics of a substance that CANNOT be observed without changing the identity of the substance. Examples: Flammability, oxidation (rusting, tarnishing)

PROPERTIES OF MATTER Physical Changes Any change in size, shape, or state of matter in which the identity of the substance remains the same. Examples: tearing, crushing, cutting, dissolving, phase changes (melting, freezing, etc.)

PROPERTIES OF MATTER PHYSICAL CHANGES

PROPERTIES OF MATTER Chemical Changes Changes in matter from one substance to another. Examples: rusting, burning, fermenting, metabolism, ANY chemical reaction

PROPERTIES OF MATTER To distinguish between chemical and physical changes, you need to determine if the substance has been changed into something else. Look at the substance’s physical properties and see if they have changed.

PROPERTIES OF MATTER There are four clues: New substance formed - new solid (precipitate), gas New color or odor Energy change Explosion or flames