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MRMS 7th Phys Sci
Physical Science review for test
Term | Definition |
---|---|
physical properties | color, length, texture, taste |
atom | smallest unit of matter, all matter is made of atoms |
density | amount of matter in a given space, mass/volume = density |
physical property | shiny metallic color |
precipitate | chunks formed as a result of a chemical change |
ability of vinegar to bubble with baking soda | chemical change |
water changes from a solid to a liquid | physical change |
metal is magnetic | physical property |
describes how a substance will react | chemical property |
filtration | process to separate matter based on size of particles |
recrystalization | way to separate salt from water because of evaporation |
sifting/straining | way to separate matter because of size of particles |
melting point | physical property describing matter change from a sold it liquid |
chemical change | new substance forms |
physical change | no new substance, change of state or shape |
change wood to toothpicks | physical change |
evidence of a chemical change | bubbles, temperature change, precipitate, new product |
matter | anything that has mass and takes up space |
buoyancy | ability to float, physical property |
solubility | ability to dissolve, physical property |
mass | amount of matter in a object |
volume | amount of space something takes up |