click below
click below
Normal Size Small Size show me how
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 |