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properties
Niewoehner Science physical and chemical properties
| Term | Definition |
|---|---|
| senses | An object's physical characteristics can be observed with these |
| taste, smell, touch, sight, sound | Examples of physical traits observed by your senses |
| mass, hardness, elasticity, melting point, and magnetism | Scientists use these (non-senses) characteristics to describe objects and substances |
| physical property | Physical changes change this, not the substance itself |
| solid, liquid, gas | What are the three states of matter? |
| solid | This state has a definite shape and volume. |
| liquid | This state takes the shape of its container but always has the same volume. |
| gas | This state expands to fill up its container, changing its volume and shape to fill the container. |
| mass | how heavy or light something is |
| melting point | at what temperature will something melt or freeze |
| hardness | how hard or soft is something |
| elasticity | how much will something stretch or bend |
| taste | sweet, sour, bitter, spicy |
| smell | rotten odor, burnt odor, sweet odor |
| size | small, medium, large |
| material | metal, plastic, wood, rubber |
| color | black, purple, red, silver |
| shape | circle, square, rectangle |
| texture/touch | soft, rough, smooth, shiny, grainy feel |
| hearing | ticking sound, engine sound, silent sound, snapping sound |
| magnetism | things that are/are not magnetic |
| chemical change | This kind of change forms a new substance. |
| break down into their atoms | A chemical reaction can cause compounds to do this |
| chemical properties | describes how the atoms of a substance reacts with atoms of other substances |
| Both physical and chemical properties | When a substance changes, what type of properties change? |
| different | In a chemical change, new substances have ___________ physical and chemical properties than the original substances. |
| smoke, ash, heat | wood burning changes to this |
| pyrite | Acid reacting to this forms a smelly gas. |
| luster | shine |
| malleability | ability to be hammered into thin sheets |
| ductility | ability to be pulled into thin wire |
| cake baking, wood burning, tomato ripening | Examples of chemical changes |
| folding, stretching, tearing, melting, freezing | Examples of Physical Changes |
Created by:
kniewoehner
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